Re: [EVDL] electric riding mowers? =Ryobi variable speed?

[Pestka Dennis via EV]

I don't understand the speeding up going downhills. I have some fairly steep 
hills, and can almost get it to a full stop by letting off of the accelerator.

Dennis

From: EV  on behalf of jim via EV 
Sent: Monday, August 16, 2021 2:47 PM
To: ev@lists.evdl.org 
Cc: jim 
Subject: Re: [EVDL] electric riding mowers? =Ryobi variable speed?

A good friend has a Ryobi electric riding mower and his wife has been using it 
for over 3 years.  Battery capacity is noticeably less than when new (but she 
mows until the machine slows down considerably).  They don't like the "cruise 
control" on their hilly yard as there is no regenerative braking so it speeds 
up going downhill.  The ride is very rough on their rough yard, too, and he 
found features like the charging for I-phone to be frivolous.  But he seems 
fairly happy with the machine otherwise, especially since his wife likes to use 
it.Personally, I like my E-15 GE tractor.  I replaced the controls with newer 
solid state parts but still spend a lot of time on maintenance and repairs, 
mostly mower motor bearings, leaky tires, and other things that aren't 
surprising on a machine approaching 50 years old.  I can mow a couple of acres 
of rough lawn and orchard on my 5 year old golf cart batteries, and tow pretty 
good sized loads on trailers when I need to.
Jim, in Menomonie, WI
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Re: [EVDL] electric riding mowers? =Ryobi variable speed?

[EVDL Administrator via EV]

On 16 Aug 2021 at 16:02, Steves via EV wrote:

> I was going to suggest an ET but they are showing their age. 

I think this is more of a problem for the large-frame tractors, E12-20.  

I'd estimate that 80% of the problems are with the circuit card for GE's 
toaster coil controller, and with the reversing relay (if it's fitted).  Rip 
that stuff out and put in a modern solid state controller, and you have a 
reliable tractor.  I did that with an E15, and it was a vast improvement.

The small-frame tractors (E8/10, riding mowers) don't have any motor speed 
control at all, which eliminates controller problems.  Essentially they're 
gas tractors/riders with a motor in place of the engine.  The motor is 
always off, or at full speed.  You use a clutch and a multi-speed 
transmission to stop and start and set forward speeds.  There's just not 
much to go wrong.

I got my New Idea R36 rider (GE ER8-36) in 2001, and it's served me well 
with very little trouble.  I run it hard, too, mowing something over an acre 
of pasture with lots of hidden roots and rocks.  

I had new bearings put in all 3 motors about 10 years ago, and one mower 
motor again this spring.  I also had to change a rear axle because I tore up 
the key and keyway on it by hauling too many logs in my garden cart.  

I also replaced the motor mower fuses with circuit breakers.  The fuses 
would open when I was loading it down too much mowing 18-20" high grass, and 
they were kind of expensive.

I can't think of any other problems I've had with it.  Every spring, sharpen 
and balance the blades, grease it up, and check the tire pressure.  Change 
the batteries when they need it.  The small frame tractors use three 12v 
group 27 marine batteries, except for a few "heavy duty" E8s that take 6 
marine batteries in series-parallel.  Now and then you might have to change 
the diodes or capacitor in the charger.  Or you can dump it and replace it 
with a more modern charger.

A lithium conversion sounds nice.  You'd probably want to replace the GE 
boat-anchor charger.

David Roden, EVDL moderator & general lackey

To reach me, don't reply to this message; I won't get it.  Use my 
offlist address here : http://evdl.org/help/index.html#supt

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 So if you ever need info about anyone at Harvard, just ask.
 I have over 4,000 emails, pictures, addresses, SNs.
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 They trust me.  Dumb f***s. 

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Re: [EVDL] Electric riding mowers

[Mark Abramowitz via EV]

…and that’s the cheap one.

- Mark

Sent from my Fuel Cell powered iPhone

> On Aug 16, 2021, at 1:23 PM, paul dove  wrote:
> 
> 
> I have one too but their riders are very high starting at $5,000. 
> 
> On Sunday, August 15, 2021, 3:37:06 PM CDT, Mark Abramowitz via EV 
>  wrote:
> 
> 
> My current (non-riding) mower is made by Greenworks. I love it. They have 
> moved to lithium ion battery technology. They also have at least one 
> commercial riding mower. You might want to have a look.
> 
> I like this company because the CEO is not only a nice guy, but is a 
> motivated guy who wants all yard equipment to go electric. He has started 
> from scratch and works his tail off. I give him credit for a movement that is 
> gaining steam for commercial lawn companies to use electric yard equipment, 
> and for cities to spec them in contracting out services.
> 
> 
> - Mark
> 
> Sent from my Fuel Cell powered iPhone
> 
> > On Aug 15, 2021, at 10:06 AM, fred via EV  wrote:
> > 
> >  I too have been disappointed in the lack of lithium-chemistry battery 
> > electric mowers. Many moons ago, we purchased an Ariens Amp electric rider. 
> > Twenty tiny VRSLA batteries (4s5p) stuffed under the seat. The mower has 
> > been severely criticized in review from past times, although for wrong 
> > reasons, in my opinion.
> > In the Florida heat, the pack managed to last three years. The replacement 
> > US$600.00 pack lasted about a year and a half. Thanks to a list member, my 
> > mower now sports a half-module from a Volt.
> > I'm aware from my lead-acid Xebra days that fifty percent DoD is safest, so 
> > the mower got equipped with a CycleAnalyst, high current version. That 
> > meant I could baby the lead-acid pack, but it still could not tolerate the 
> > heat of the day or the heat of the storage. It turned into a 
> > three-charge-cycles-to-mow-a-quarter-acre mower.
> > Having the Volt half-module means I can get two runs, possibly three from a 
> > single charge, but I am babying the pack even now by not max-charging it 
> > and bringing the battery inside after each use and also no charging it 
> > until the day before it is needed. I had to purchase a full module for 
> > US$600 but that means I have twice the capacity (but can't fit them both 
> > inside) so I alternate the batteries. To further ensure long happy life, I 
> > purchased an expensive charger that does individual cell balancing and the 
> > Volt battery came with a balancing cable! I expect the modules will outlast 
> > me.
> > Any EV owner knows how the quiet is the best part of the vehicle (opinion, 
> > of course), but the Amp really screwed that up. They used what I suspect is 
> > the technology they knew and put a hydrostatic transmission in this thing. 
> > That means the traction motor runs constantly to keep the system 
> > pressurized, a complete waste of energy. Hydraulics are not known to be 
> > particularly efficient in power transfer. The two systems alone amount for 
> > eighty percent of the noise. One neighbor told me that he was surprised I 
> > had a fuel powered mower, after hearing me start it.
> > If I had to replace the Amp, I'd look for a lithium version I could afford, 
> > or consider immediately to replace the lead pack.
> > 
> > 
> > 
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> > 
> 
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Re: [EVDL] Electric riding mowers

[paul dove via EV]

 I have one too but their riders are very high starting at $5,000. 

On Sunday, August 15, 2021, 3:37:06 PM CDT, Mark Abramowitz via EV 
 wrote:  
 
 My current (non-riding) mower is made by Greenworks. I love it. They have 
moved to lithium ion battery technology. They also have at least one commercial 
riding mower. You might want to have a look.

I like this company because the CEO is not only a nice guy, but is a motivated 
guy who wants all yard equipment to go electric. He has started from scratch 
and works his tail off. I give him credit for a movement that is gaining steam 
for commercial lawn companies to use electric yard equipment, and for cities to 
spec them in contracting out services.


- Mark

Sent from my Fuel Cell powered iPhone

> On Aug 15, 2021, at 10:06 AM, fred via EV  wrote:
> 
>  I too have been disappointed in the lack of lithium-chemistry battery 
> electric mowers. Many moons ago, we purchased an Ariens Amp electric rider. 
> Twenty tiny VRSLA batteries (4s5p) stuffed under the seat. The mower has been 
> severely criticized in review from past times, although for wrong reasons, in 
> my opinion.
> In the Florida heat, the pack managed to last three years. The replacement 
> US$600.00 pack lasted about a year and a half. Thanks to a list member, my 
> mower now sports a half-module from a Volt.
> I'm aware from my lead-acid Xebra days that fifty percent DoD is safest, so 
> the mower got equipped with a CycleAnalyst, high current version. That meant 
> I could baby the lead-acid pack, but it still could not tolerate the heat of 
> the day or the heat of the storage. It turned into a 
> three-charge-cycles-to-mow-a-quarter-acre mower.
> Having the Volt half-module means I can get two runs, possibly three from a 
> single charge, but I am babying the pack even now by not max-charging it and 
> bringing the battery inside after each use and also no charging it until the 
> day before it is needed. I had to purchase a full module for US$600 but that 
> means I have twice the capacity (but can't fit them both inside) so I 
> alternate the batteries. To further ensure long happy life, I purchased an 
> expensive charger that does individual cell balancing and the Volt battery 
> came with a balancing cable! I expect the modules will outlast me.
> Any EV owner knows how the quiet is the best part of the vehicle (opinion, of 
> course), but the Amp really screwed that up. They used what I suspect is the 
> technology they knew and put a hydrostatic transmission in this thing. That 
> means the traction motor runs constantly to keep the system pressurized, a 
> complete waste of energy. Hydraulics are not known to be particularly 
> efficient in power transfer. The two systems alone amount for eighty percent 
> of the noise. One neighbor told me that he was surprised I had a fuel powered 
> mower, after hearing me start it.
> If I had to replace the Amp, I'd look for a lithium version I could afford, 
> or consider immediately to replace the lead pack.
> 
> 
> 
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Re: [EVDL] electric riding mowers? - Using my Prius cells?

[EVDL Administrator via EV]

On 16 Aug 2021 at 14:40, Robert Bruninga via EV wrote:

> Though, I bet they have sensing at the 24 and 36v taps to control
> charging and those taps will not exist. 

No sensing - they're not that sophisticated!

The smaller tractors - ER8-36, E8, E10 - don't have a lift or lights, so 
it's not a problem.  

The large frame tractors have battery taps for the lights (12v) and for the 
electric front implement lift (18v).  The lights can be swapped out for LEDs 
to run at the full voltage.  I run my lift at 24v and I know of at least one 
person who has it at 36v (that might be a bit high).  You could run a 42v 
system with a tap at 16.8v or possibly 25.2v for the lift.

David Roden, EVDL moderator & general lackey

To reach me, don't reply to this message; I won't get it.  Use my 
offlist address here : http://evdl.org/help/index.html#supt

= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = 
 A pioneer wanted to cut a tree down that didn't cost him any-
 thing, but he never did plant one. He wanted to plow up land 
 that should have been left to grass. He thought it was nature 
 he was living off of, but it was really future generations he 
 was living off of.

  -- Will Rogers
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Re: [EVDL] electric riding mowers? =Ryobi variable speed?

[Steves via EV]

I was going to suggest an ET but they are showing their age. This summer , so 
far, I rebuilt a mower motor, refurbished the mower deck, replaced two mower 
blades, replaced a main contactor, , etc. noticed yesterday the main cutoff 
switch is running hot and it seems to run high current in reverse, so more to 
do….
But still a good machine .
-Steve

> On Aug 16, 2021, at 3:47 PM, jim via EV  wrote:
> 
> A good friend has a Ryobi electric riding mower and his wife has been using 
> it for over 3 years.  Battery capacity is noticeably less than when new (but 
> she mows until the machine slows down considerably).  They don't like the 
> "cruise control" on their hilly yard as there is no regenerative braking so 
> it speeds up going downhill.  The ride is very rough on their rough yard, 
> too, and he found features like the charging for I-phone to be frivolous.  
> But he seems fairly happy with the machine otherwise, especially since his 
> wife likes to use it.Personally, I like my E-15 GE tractor.  I replaced the 
> controls with newer solid state parts but still spend a lot of time on 
> maintenance and repairs, mostly mower motor bearings, leaky tires, and other 
> things that aren't surprising on a machine approaching 50 years old.  I can 
> mow a couple of acres of rough lawn and orchard on my 5 year old golf cart 
> batteries, and tow pretty good sized loads on trailers when I need to.
> Jim, in Menomonie, WI
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Re: [EVDL] electric riding mowers? =Ryobi variable speed?

[jim via EV]

A good friend has a Ryobi electric riding mower and his wife has been using it 
for over 3 years.  Battery capacity is noticeably less than when new (but she 
mows until the machine slows down considerably).  They don't like the "cruise 
control" on their hilly yard as there is no regenerative braking so it speeds 
up going downhill.  The ride is very rough on their rough yard, too, and he 
found features like the charging for I-phone to be frivolous.  But he seems 
fairly happy with the machine otherwise, especially since his wife likes to use 
it.Personally, I like my E-15 GE tractor.  I replaced the controls with newer 
solid state parts but still spend a lot of time on maintenance and repairs, 
mostly mower motor bearings, leaky tires, and other things that aren't 
surprising on a machine approaching 50 years old.  I can mow a couple of acres 
of rough lawn and orchard on my 5 year old golf cart batteries, and tow pretty 
good sized loads on trailers when I need to.
Jim, in Menomonie, WI
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Re: [EVDL] electric riding mowers? - Using my Prius cells?

[Robert Bruninga via EV]

Ah ha!
Finally an app for my old prius batteries.  They  are bricks of 6 cells
at something like 6 AH, but internally connected in series so yiu cannot
make a 12v battery..  You can make an 8.4V or 16.8v battery, but
not 12.  But with 48v to play with, I guess I can use 5 bricks for 42v
or maybe 6 for 50..4v.

And parallel bricks to get to the current I need.  Though, I bet
they have sensing at the 24 and 36v taps to control charging and
those taps will not exist.  Shucks.
Bob

On Mon, Aug 16, 2021 at 1:34 PM EVDL Administrator via EV
 wrote:
>
> Many of the GE Elec-Trak electric lawn tractors from the 1970s are still
> around and doing yeoman duty.  Buying a clean used one should cost MUCH less
> than $3000.  Recently an acquaintance of mine from around here sold his ER8-
> 36 small electric rider mower for $500 on EBAY.  All it needed was new
> batteries.
>
> The models to look for are probably the smaller, simpler ones:
>
> GE ER8-36 / Wheel Horse A-65 / New Idea R36
> Wheel Horse E-60, E-81
> GE E8 / New Idea EGT80
> GE E10 . New Idea EGT100
>
> The larger models will also serve (the E15 seems to be the most common):
>
> GE E12 / E12M / New Idea EGT-120
> GE E14 / Wheel Horse B-145
> GE E15 / New Idea EGT-150
> GE E16
> GE E20 / Wheel Horse C-185 / New Idea EGT-200
> GE I5
>
> If you're not in too much of a hurry, I suggest joining the Elec-Trak
> discussion list, and watching for someone to put one up for sale.
>
> cosmos.phy.tufts.edu/mailman/listinfo/elec-trak
>
> I got an invalid certificate warning on that website just now.  It seems OK,
> but I'll ask on the list today.
>
> David Roden, EVDL moderator & general lackey
>
> To reach me, don't reply to this message; I won't get it.  Use my
> offlist address here : http://evdl.org/help/index.html#supt
>
> = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
>  Consultant: someone who borrows your watch, tells you what
>  time it is, pockets the watch, and sends you a bill for it.
> = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
>
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Re: [EVDL] electric riding mowers? =Ryobi variable speed?

[Willie McKemie via EV]

I've never seen one for sale in this area. Else I likely would have one
since I have a good 36v lithium solution.

I don't think Bob is up to doing much repair.


On Mon, Aug 16, 2021, 12:34 EVDL Administrator via EV 
wrote:

> Many of the GE Elec-Trak electric lawn tractors from the 1970s are still
> around and doing yeoman duty.  Buying a clean used one should cost MUCH
> less
> than $3000.  Recently an acquaintance of mine from around here sold his
> ER8-
> 36 small electric rider mower for $500 on EBAY.  All it needed was new
> batteries.
>
> The models to look for are probably the smaller, simpler ones:
>
> GE ER8-36 / Wheel Horse A-65 / New Idea R36
> Wheel Horse E-60, E-81
> GE E8 / New Idea EGT80
> GE E10 . New Idea EGT100
>
> The larger models will also serve (the E15 seems to be the most common):
>
> GE E12 / E12M / New Idea EGT-120
> GE E14 / Wheel Horse B-145
> GE E15 / New Idea EGT-150
> GE E16
> GE E20 / Wheel Horse C-185 / New Idea EGT-200
> GE I5
>
> If you're not in too much of a hurry, I suggest joining the Elec-Trak
> discussion list, and watching for someone to put one up for sale.
>
> cosmos.phy.tufts.edu/mailman/listinfo/elec-trak
>
> I got an invalid certificate warning on that website just now.  It seems
> OK,
> but I'll ask on the list today.
>
> David Roden, EVDL moderator & general lackey
>
> To reach me, don't reply to this message; I won't get it.  Use my
> offlist address here : http://evdl.org/help/index.html#supt
>
> = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
>  Consultant: someone who borrows your watch, tells you what
>  time it is, pockets the watch, and sends you a bill for it.
> = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
>
> ___
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Re: [EVDL] electric riding mowers? =Ryobi variable speed?

[EVDL Administrator via EV]

Many of the GE Elec-Trak electric lawn tractors from the 1970s are still 
around and doing yeoman duty.  Buying a clean used one should cost MUCH less 
than $3000.  Recently an acquaintance of mine from around here sold his ER8-
36 small electric rider mower for $500 on EBAY.  All it needed was new 
batteries.

The models to look for are probably the smaller, simpler ones:

GE ER8-36 / Wheel Horse A-65 / New Idea R36
Wheel Horse E-60, E-81
GE E8 / New Idea EGT80
GE E10 . New Idea EGT100

The larger models will also serve (the E15 seems to be the most common):

GE E12 / E12M / New Idea EGT-120
GE E14 / Wheel Horse B-145
GE E15 / New Idea EGT-150
GE E16
GE E20 / Wheel Horse C-185 / New Idea EGT-200
GE I5

If you're not in too much of a hurry, I suggest joining the Elec-Trak 
discussion list, and watching for someone to put one up for sale.

cosmos.phy.tufts.edu/mailman/listinfo/elec-trak

I got an invalid certificate warning on that website just now.  It seems OK, 
but I'll ask on the list today.

David Roden, EVDL moderator & general lackey

To reach me, don't reply to this message; I won't get it.  Use my 
offlist address here : http://evdl.org/help/index.html#supt

= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = 
 Consultant: someone who borrows your watch, tells you what 
 time it is, pockets the watch, and sends you a bill for it.
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = 

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Re: [EVDL] electric riding mowers? =Ryobi variable speed?

[Willie via EV]

On 8/16/21 10:08 AM, Robert Bruninga via EV wrote:

THe promo movie says you just set the cruise control and go.
But I dont want fixed speed (mowing), I will be using this mostly for
transportation around my yard and assume there will be variable
pedal speed.Is this a wrong assumption?

Sounds like it is an on/off accellerator??


If you want the mower for people transport rather than mowing, you will 
likely find a golf cart both better suited and cheaper. With FAR more 
buying options.  But, I guess you want to mow also? A year of so ago, I 
think I paid ~$3k for my Ryobi 38".  I wouldn't pay that again.  Maybe 
more like $5k for something more durable.




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Re: [EVDL] electric riding mowers? =Ryobi variable speed?

[Willie via EV]

On 8/16/21 10:08 AM, Robert Bruninga via EV wrote:

THe promo movie says you just set the cruise control and go.
But I dont want fixed speed (mowing), I will be using this mostly for
transportation around my yard and assume there will be variable
pedal speed.Is this a wrong assumption?


Yes, it has a "normal" speed control also.  I find the "cruise" very 
nice for mowing.




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Re: [EVDL] electric riding mowers? =Ryobi variable speed?

[Robert Bruninga via EV]

THe promo movie says you just set the cruise control and go.
But I dont want fixed speed (mowing), I will be using this mostly for
transportation around my yard and assume there will be variable
pedal speed.Is this a wrong assumption?

Sounds like it is an on/off accellerator???

On Sun, Aug 15, 2021 at 6:41 AM Pestka Dennis  wrote:
>
> Bob;
>
> I purchased the 100Ahr Ryobi about a year ago, and I love it. It does have 
> lead acid batteries as you stated, but they are AGM with no maintenance. Your 
> 1/10 acre and hills will be a piece of cake for it. I have about 3 acres to 
> cut and I use it along with my wife on a zero turn. I can cut an hour with 
> some hills and flat area's, and it doesn't even use half of the range. One of 
> the main reasons I purchase it was for the bagging attachment. It is very 
> simple to take off and on, and works really well. A have a lot of trees and 
> it get a real workout in the fall picking up leaves. Tractor comes with 38" 
> mower, charger, headlights, cruise control, and even a USB plug for your cell 
> phone. It has a very tight turning radius, and an easy height adjuster for 
> the mower deck. I purchased mine through Home Depot, and they delivered it 
> right to my house.
>
> Dennis
> Elsberry, MO
>
> 
> From: EV  on behalf of Robert Bruninga via EV 
> 
> Sent: Sunday, August 15, 2021 3:01 AM
> To: Electric Vehicle Discussion List 
> Cc: Robert Bruninga 
> Subject: [EVDL] electric riding mowers?
>
> OK, I'm ready for an electric riding lawn mower.  My grass area is very
> small, probably under a Tenth acre or less, but mostly I need it for getting
> around on my yard which has a variation in elevation of 30' and sll kinds
> of terrain obstacles (and basically I can no longer walk more than a few
> feet without needing to sit.
>
> I see Ryobi and cub cadet both have models thare are leadacid. 48 and
> 56 volt models.. but I thought we would be in a time of lighter weight
> lithium.  Though I admit, for my lazy maintenance record, I'd be more
> comfortable with lead acid probably.?
>
> Bob
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Re: [EVDL] Electric riding mowers

[Mark Abramowitz via EV]

My current (non-riding) mower is made by Greenworks. I love it. They have moved 
to lithium ion battery technology. They also have at least one commercial 
riding mower. You might want to have a look.

I like this company because the CEO is not only a nice guy, but is a motivated 
guy who wants all yard equipment to go electric. He has started from scratch 
and works his tail off. I give him credit for a movement that is gaining steam 
for commercial lawn companies to use electric yard equipment, and for cities to 
spec them in contracting out services.


- Mark

Sent from my Fuel Cell powered iPhone

> On Aug 15, 2021, at 10:06 AM, fred via EV  wrote:
> 
>  I too have been disappointed in the lack of lithium-chemistry battery 
> electric mowers. Many moons ago, we purchased an Ariens Amp electric rider. 
> Twenty tiny VRSLA batteries (4s5p) stuffed under the seat. The mower has been 
> severely criticized in review from past times, although for wrong reasons, in 
> my opinion.
> In the Florida heat, the pack managed to last three years. The replacement 
> US$600.00 pack lasted about a year and a half. Thanks to a list member, my 
> mower now sports a half-module from a Volt.
> I'm aware from my lead-acid Xebra days that fifty percent DoD is safest, so 
> the mower got equipped with a CycleAnalyst, high current version. That meant 
> I could baby the lead-acid pack, but it still could not tolerate the heat of 
> the day or the heat of the storage. It turned into a 
> three-charge-cycles-to-mow-a-quarter-acre mower.
> Having the Volt half-module means I can get two runs, possibly three from a 
> single charge, but I am babying the pack even now by not max-charging it and 
> bringing the battery inside after each use and also no charging it until the 
> day before it is needed. I had to purchase a full module for US$600 but that 
> means I have twice the capacity (but can't fit them both inside) so I 
> alternate the batteries. To further ensure long happy life, I purchased an 
> expensive charger that does individual cell balancing and the Volt battery 
> came with a balancing cable! I expect the modules will outlast me.
> Any EV owner knows how the quiet is the best part of the vehicle (opinion, of 
> course), but the Amp really screwed that up. They used what I suspect is the 
> technology they knew and put a hydrostatic transmission in this thing. That 
> means the traction motor runs constantly to keep the system pressurized, a 
> complete waste of energy. Hydraulics are not known to be particularly 
> efficient in power transfer. The two systems alone amount for eighty percent 
> of the noise. One neighbor told me that he was surprised I had a fuel powered 
> mower, after hearing me start it.
> If I had to replace the Amp, I'd look for a lithium version I could afford, 
> or consider immediately to replace the lead pack.
> 
> 
> 
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Re: [EVDL] electric riding mowers?

[paul dove via EV]

 Says it has a five year warranty. Did you call the company?

On Sunday, August 15, 2021, 11:15:50 AM CDT, Robert Bruninga via EV 
 wrote:  
 
 I have the 56 volt self propelled EGO mower and was very impressed
until the 3rd year or
so when the battery wont charge and all I get is blinking red lights.
The replacement
cost for just the battery is over $300.  Is this usual to wear out tht fast?

My mowing area is maybe a gtenth of an acre and my mowing need is modest.
 I always completed it on one charge
though did get down to blinking red maybe a half dozen times.

But am loath to put $300 more into it, not knowing if it is the
battery or the charger.
To check, I disasembld the battery and lightly charged up any low
cells to match the
others (there was no significant mismatch anyway), but still the
charger wont charge it.

Bob

On Sun, Aug 15, 2021 at 12:06 PM Jay Summet via EV  wrote:
>
> I've been using a self propel Ego mower on about 1/2 acre of grass for
> the last 4 years. They have just come out with a riding version that
> uses their 56v ARC Lithium batteries, but it's pricy.
>
> I've been very happy with all of the chargers/batteries/lawn tools from
> EGO with the EXCEPTION of the self propel unit on the lawnmower. (With a
> 1/2 acre lawn, I've burned through 5 self propel units --all repaired or
> replaced under the Ego 5 year warranty...no other issues with the rest
> of the mower, but still, not impressed by the quality of the self propel
> units.  My lawn size really is in the ride-on category, so I'm working
> the heck out of that little self propel mower.)
>
> If it wasn't for the issues with the self propel unit, I'd recommend the
> Ego ride on without reservations even without having tried it out myself
> just based on all of my good experiences with just about everything else
> Ego puts out.  There warranty support has been great, but I don't know
> how that would work with a larger ride-on mower.
>
> Jay
>
>
>
> On 8/15/21 4:01 AM, Robert Bruninga via EV wrote:
> > OK, I'm ready for an electric riding lawn mower.  My grass area is very
> > small, probably under a Tenth acre or less, but mostly I need it for getting
> > around on my yard which has a variation in elevation of 30' and sll kinds
> > of terrain obstacles (and basically I can no longer walk more than a few
> > feet without needing to sit.
> >
> > I see Ryobi and cub cadet both have models thare are leadacid. 48 and
> > 56 volt models.. but I thought we would be in a time of lighter weight
> > lithium.  Though I admit, for my lazy maintenance record, I'd be more
> > comfortable with lead acid probably.?
> >
> > Bob
> > ___
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> > No other addresses in TO and CC fields
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> >
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[EVDL] Electric riding mowers

[fred via EV]

 I too have been disappointed in the lack of lithium-chemistry battery electric 
mowers. Many moons ago, we purchased an Ariens Amp electric rider. Twenty tiny 
VRSLA batteries (4s5p) stuffed under the seat. The mower has been severely 
criticized in review from past times, although for wrong reasons, in my opinion.
In the Florida heat, the pack managed to last three years. The replacement 
US$600.00 pack lasted about a year and a half. Thanks to a list member, my 
mower now sports a half-module from a Volt.
I'm aware from my lead-acid Xebra days that fifty percent DoD is safest, so the 
mower got equipped with a CycleAnalyst, high current version. That meant I 
could baby the lead-acid pack, but it still could not tolerate the heat of the 
day or the heat of the storage. It turned into a 
three-charge-cycles-to-mow-a-quarter-acre mower.
Having the Volt half-module means I can get two runs, possibly three from a 
single charge, but I am babying the pack even now by not max-charging it and 
bringing the battery inside after each use and also no charging it until the 
day before it is needed. I had to purchase a full module for US$600 but that 
means I have twice the capacity (but can't fit them both inside) so I alternate 
the batteries. To further ensure long happy life, I purchased an expensive 
charger that does individual cell balancing and the Volt battery came with a 
balancing cable! I expect the modules will outlast me.
Any EV owner knows how the quiet is the best part of the vehicle (opinion, of 
course), but the Amp really screwed that up. They used what I suspect is the 
technology they knew and put a hydrostatic transmission in this thing. That 
means the traction motor runs constantly to keep the system pressurized, a 
complete waste of energy. Hydraulics are not known to be particularly efficient 
in power transfer. The two systems alone amount for eighty percent of the 
noise. One neighbor told me that he was surprised I had a fuel powered mower, 
after hearing me start it.
If I had to replace the Amp, I'd look for a lithium version I could afford, or 
consider immediately to replace the lead pack.

  
 
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Re: [EVDL] electric riding mowers?

[Jay Summet via EV]

On 8/15/21 12:15 PM, Robert Bruninga wrote:

I have the 56 volt self propelled EGO mower and was very impressed
until the 3rd year or
so when the battery wont charge and all I get is blinking red lights.
The replacement
cost for just the battery is over $300.  Is this usual to wear out tht fast?


They only offer a 3 year warranty on their batteries and chargers.

I own 3 7.5 AH batteries, a 5AH one, and 4 2.5 AH batteries (plus 2 fast 
chargers and several regular chargers). I've never had any of the 
batteries or chargers failbut have heard from others that they 
sometimes do.


After 3 years my 7.5 AH batteries are down to about half capacity (but 
my 4 year old one is still at half capacity, so the capacity loss 
appears to slow down after the first 3 years) so you will have to 
eventually buy a 2nd or a replacement battery.


Capacity graphs:
https://www.summet.com/blog/2020/11/20/ego-7-5ah-battery-degradation-over-time-3-year-mark/

(More than a year out of date..about time for me to publish a 4 year 
update...)





My mowing area is maybe a gtenth of an acre and my mowing need is modest.
  I always completed it on one charge
though did get down to blinking red maybe a half dozen times.


[with a 1/10th acre lot you may not need a 2nd battery, but I need 2-4 
batteries to mow my entire lawn depending on the season/weather...]




But am loath to put $300 more into it, not knowing if it is the
battery or the charger.
To check, I disasembld the battery and lightly charged up any low
cells to match the
others (there was no significant mismatch anyway), but still the
charger wont charge it.



Blinking red light on the charger can indicate a high-temp situation on 
the battery (at which point it turns on the fan but doesn't charge until 
the high temp is reduced). But it can also indicate a battery failure 
(or possibly a charger error, but those are usually indicated by no 
lights]


You can pick up a used regular charger relatively cheap on Ebay to test 
the battery for sure, but my guess is that it is probably a battery issue.


Several of my batteries (one 7.5ah, one 5ah, and a few of the 2.5 AH) 
came with used EGO equiptment I purchased off of Craigslist...buying the 
batteries with a kit of equipment that includes 
charger/battery/equipment is the most economical way to go for the 2.5 
AH batteries if you are buying them new and need something like a 
chainsaw, weed wacker, blower, edger, etc...



Jay
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Re: [EVDL] electric riding mowers?

[Robert Bruninga via EV]

I have the 56 volt self propelled EGO mower and was very impressed
until the 3rd year or
so when the battery wont charge and all I get is blinking red lights.
The replacement
cost for just the battery is over $300.  Is this usual to wear out tht fast?

My mowing area is maybe a gtenth of an acre and my mowing need is modest.
 I always completed it on one charge
though did get down to blinking red maybe a half dozen times.

But am loath to put $300 more into it, not knowing if it is the
battery or the charger.
To check, I disasembld the battery and lightly charged up any low
cells to match the
others (there was no significant mismatch anyway), but still the
charger wont charge it.

Bob

On Sun, Aug 15, 2021 at 12:06 PM Jay Summet via EV  wrote:
>
> I've been using a self propel Ego mower on about 1/2 acre of grass for
> the last 4 years. They have just come out with a riding version that
> uses their 56v ARC Lithium batteries, but it's pricy.
>
> I've been very happy with all of the chargers/batteries/lawn tools from
> EGO with the EXCEPTION of the self propel unit on the lawnmower. (With a
> 1/2 acre lawn, I've burned through 5 self propel units --all repaired or
> replaced under the Ego 5 year warranty...no other issues with the rest
> of the mower, but still, not impressed by the quality of the self propel
> units.  My lawn size really is in the ride-on category, so I'm working
> the heck out of that little self propel mower.)
>
> If it wasn't for the issues with the self propel unit, I'd recommend the
> Ego ride on without reservations even without having tried it out myself
> just based on all of my good experiences with just about everything else
> Ego puts out.  There warranty support has been great, but I don't know
> how that would work with a larger ride-on mower.
>
> Jay
>
>
>
> On 8/15/21 4:01 AM, Robert Bruninga via EV wrote:
> > OK, I'm ready for an electric riding lawn mower.  My grass area is very
> > small, probably under a Tenth acre or less, but mostly I need it for getting
> > around on my yard which has a variation in elevation of 30' and sll kinds
> > of terrain obstacles (and basically I can no longer walk more than a few
> > feet without needing to sit.
> >
> > I see Ryobi and cub cadet both have models thare are leadacid. 48 and
> > 56 volt models.. but I thought we would be in a time of lighter weight
> > lithium.  Though I admit, for my lazy maintenance record, I'd be more
> > comfortable with lead acid probably.?
> >
> > Bob
> > ___
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> >
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Re: [EVDL] electric riding mowers?

[Jay Summet via EV]

I've been using a self propel Ego mower on about 1/2 acre of grass for 
the last 4 years. They have just come out with a riding version that 
uses their 56v ARC Lithium batteries, but it's pricy.


I've been very happy with all of the chargers/batteries/lawn tools from 
EGO with the EXCEPTION of the self propel unit on the lawnmower. (With a 
1/2 acre lawn, I've burned through 5 self propel units --all repaired or 
replaced under the Ego 5 year warranty...no other issues with the rest 
of the mower, but still, not impressed by the quality of the self propel 
units.  My lawn size really is in the ride-on category, so I'm working 
the heck out of that little self propel mower.)


If it wasn't for the issues with the self propel unit, I'd recommend the 
Ego ride on without reservations even without having tried it out myself 
just based on all of my good experiences with just about everything else 
Ego puts out.  There warranty support has been great, but I don't know 
how that would work with a larger ride-on mower.


Jay



On 8/15/21 4:01 AM, Robert Bruninga via EV wrote:

OK, I'm ready for an electric riding lawn mower.  My grass area is very
small, probably under a Tenth acre or less, but mostly I need it for getting
around on my yard which has a variation in elevation of 30' and sll kinds
of terrain obstacles (and basically I can no longer walk more than a few
feet without needing to sit.

I see Ryobi and cub cadet both have models thare are leadacid. 48 and
56 volt models.. but I thought we would be in a time of lighter weight
lithium.  Though I admit, for my lazy maintenance record, I'd be more
comfortable with lead acid probably.?

Bob
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Re: [EVDL] electric riding mowers?

[Willie via EV]

On 8/15/21 6:41 AM, Pestka Dennis via EV wrote:

Bob;

I purchased the 100Ahr Ryobi about a year ago, and I love it. It does have lead acid 
batteries as you stated, but they are AGM with no maintenance. Your 1/10 acre and 
hills will be a piece of cake for it. I have about 3 acres to cut and I use it along 
with my wife on a zero turn. I can cut an hour with some hills and flat area's, and 
it doesn't even use half of the range. One of the main reasons I purchase it was for 
the bagging attachment. It is very simple to take off and on, and works really well. 
A have a lot of trees and it get a real workout in the fall picking up leaves. 
Tractor comes with 38" mower, charger, headlights, cruise control, and even a 
USB plug for your cell phone. It has a very tight turning radius, and an easy height 
adjuster for the mower deck. I purchased mine through Home Depot, and they delivered 
it right to my house.


I have had the same for about a year.  38" as I recall.  I continue to 
seek a better quality mower but with lithium.  I probably expect too 
much of the mower.  Mowing fairly rough ground surrounding my ground 
mount PV panels.  Having the first blade motor replaced took it out of 
service for a couple of months and cost about $300.  It has been out of 
service for a month again while I await the arrival of another $200 
blade motor.  No battery trouble.  So far.




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Re: [EVDL] electric riding mowers?

[Pestka Dennis via EV]

Bob;

I purchased the 100Ahr Ryobi about a year ago, and I love it. It does have lead 
acid batteries as you stated, but they are AGM with no maintenance. Your 1/10 
acre and hills will be a piece of cake for it. I have about 3 acres to cut and 
I use it along with my wife on a zero turn. I can cut an hour with some hills 
and flat area's, and it doesn't even use half of the range. One of the main 
reasons I purchase it was for the bagging attachment. It is very simple to take 
off and on, and works really well. A have a lot of trees and it get a real 
workout in the fall picking up leaves. Tractor comes with 38" mower, charger, 
headlights, cruise control, and even a USB plug for your cell phone. It has a 
very tight turning radius, and an easy height adjuster for the mower deck. I 
purchased mine through Home Depot, and they delivered it right to my house.

Dennis
Elsberry, MO


From: EV  on behalf of Robert Bruninga via EV 

Sent: Sunday, August 15, 2021 3:01 AM
To: Electric Vehicle Discussion List 
Cc: Robert Bruninga 
Subject: [EVDL] electric riding mowers?

OK, I'm ready for an electric riding lawn mower.  My grass area is very
small, probably under a Tenth acre or less, but mostly I need it for getting
around on my yard which has a variation in elevation of 30' and sll kinds
of terrain obstacles (and basically I can no longer walk more than a few
feet without needing to sit.

I see Ryobi and cub cadet both have models thare are leadacid. 48 and
56 volt models.. but I thought we would be in a time of lighter weight
lithium.  Though I admit, for my lazy maintenance record, I'd be more
comfortable with lead acid probably.?

Bob
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Re: [EVDL] electric riding mowers?

[Steves via EV]

I’m assuming that lead acid is cheaper than comparable lithium. In a riding 
mower, weight is of little concern, so lead is much more cost effective. If the 
mower has any accessories such as a blade, then the added weight is an 
advantage - my ElecTrak is very heavy and so has lots of traction. 

You will enjoy the quiet mowing and not fooling with another ICE. 

I tell my friends : 
The complexity of your life is directly proportional to how many gas engines 
you own, 2 strokes count double. 
No one has ever argued against.

-Steve

> On Aug 15, 2021, at 4:01 AM, Robert Bruninga via EV  wrote:
> 
> OK, I'm ready for an electric riding lawn mower.  My grass area is very
> small, probably under a Tenth acre or less, but mostly I need it for getting
> around on my yard which has a variation in elevation of 30' and sll kinds
> of terrain obstacles (and basically I can no longer walk more than a few
> feet without needing to sit.
> 
> I see Ryobi and cub cadet both have models thare are leadacid. 48 and
> 56 volt models.. but I thought we would be in a time of lighter weight
> lithium.  Though I admit, for my lazy maintenance record, I'd be more
> comfortable with lead acid probably.?
> 
> Bob
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[EVDL] electric riding mowers?

[Robert Bruninga via EV]

OK, I'm ready for an electric riding lawn mower.  My grass area is very
small, probably under a Tenth acre or less, but mostly I need it for getting
around on my yard which has a variation in elevation of 30' and sll kinds
of terrain obstacles (and basically I can no longer walk more than a few
feet without needing to sit.

I see Ryobi and cub cadet both have models thare are leadacid. 48 and
56 volt models.. but I thought we would be in a time of lighter weight
lithium.  Though I admit, for my lazy maintenance record, I'd be more
comfortable with lead acid probably.?

Bob
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