Re: [EVDL] Clutch Actuator

[Bruce Lawton via EV]

One consideration with a clutch is that you can easily overspeed the electric 
motor when downshifting if you miss a gear or aren’t paying attention. Relying 
on the synchros protects you somewhat in that case.

Bruce

> On Feb 26, 2018, at 3:03 PM, ev-requ...@lists.evdl.org wrote:
> On February 25, 2018 10:33:48 AM EST, John Lussmyer via EV  > wrote:
>> On Sat Feb 24 18:46:38 PST 2018 ev@lists.evdl.org  
>> said:
>>> FYI - Down-shifting can be done a lot faster than up-shifting with
>> just
>>> synchros, if you "goose" the throttle to bring the motor up to speed
>>> with the transmission.
>> 
>> Easy with a gas engine.
>> Much harder with an Electric Motor and a Z2K controller.  It's REALLY
>> REALLY easy to wind the motor up to max RPM's almost instantly.
> 
> I only have a 400amp Curtis, so maybe that makes it easier on me. 
> IIRC, the zilla has over speed protection as an option though?
> 
> Jay

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Re: [EVDL] Clutch Actuator

[Dan Baker via EV]

Hey John

First of all that is one awesome truck!  The best Ford EV in my opinion! :-)

Since you are only looking for clutch action while rolling I would also
suggest an actuator too but maybe something that is air or vacuum driven.
I have used electric linear actuators before with a cheap reversing pole
switch on one of my boats to operate the forward and reverse.  Outboards
have a clutch dog in forward that allows the prop to spin on deceleration
so reversing the motor would only spin the clutch and not the prop.  I used
a 4 inch stroke linear actuator but it didn't work great - too slow was the
main cause - took 4-6 seconds to go from from Forward to reverse, which
seemed to be an eternity when trying to slow down and dock.  Second issue
was that the stroke got a little out of alignment and pushed too hard on
the lever and eventually put a notch in the shift mechanism which caused
reverse to become troublesome.  I ended tearing the bottom end out and
putting a spacer in the clutch dog spring which made the clutch pretty well
locked so I could put the traction motor in reverse instead.  But in your
case a small air actuator would work well and would move a lot quicker,
especially on release as the clutch spring could push it back very
quickly.  A linear actuator might work for you but they are probably too
slow for your use, even a couple seconds each way would be pretty painful
on the highway I imagine.

Cheers
Dan

On Mon, Feb 26, 2018 at 2:17 PM, Cliff Crabtree via EV 
wrote:

> Hi John,
>
> For reference I'm using these pictured from ebay:
>
> 1992 automatic transmission brake pedal assembly:
> https://i.ebayimg.com/images/g/U8oAAOSwqaJaYWUY/s-l1600.jpg
>
> 1992 manual transmission combined brake clutch pedal assembly:
> https://i.ebayimg.com/images/g/o14AAOSw8-FaVSQR/s-l1600.jpg
>
>
> Yes. It does appear that the pedal assemblies for automatic and manual
> transmissions are quite different and it would be very difficult to add a
> clutch pedal to the brake assembly for the automatic. What I am suggesting
> is replacing the (single pedal) brake pedal assembly with the (two pedal)
> combined clutch brake pedal assembly from a manual transmission F-150. It
> appears that the single pedal assembly is bolted to the firewall/vacuum
> booster/master cylinder with 4 bolts through the firewall plus 2 bolts to a
> cross member above the assembly (probably the dash support).  Removing
> these 6 bolts and the linkage to the brake master cylinder would allow the
> removal of this assembly.  It appears that 5 of the 6 bolt holes can be
> reused to attach the combined two pedal assembly.  If the cross member does
> not a have hole properly aligned for the attachment of the dual pedal
> assembly a new hole would need to be drilled.  Reconnect brake master
> cylinder the linkage and you would now have the brake setup as original but
> with a clutch pedal flopping on the outboard side of the brake pedal.
>
> Two additional holes may need to be drilled for attaching the clutch
> master cylinder to the firewall and a hole cut for the linkage to the
> clutch master cylinder.  Then attach the clutch master cylinder to the
> firewall and the clutch pedal. Install the slave cylinder on the
> transmission/bell housing. Install the hydraulic tubing between master
> cylinder and the slave cylinder.
>
> That being said, this does not answer your original question but is rather
> a follow on to another another suggestion.
>
> To address though not actually answer your original question:
>
>
> I have been looking for linear actuators to replace the shift and selector
> cables.  he cables take up too much space in the engine compartment of my
> Fiero - space where  would rather put batteries.  So I have been looking to
> this a little.  In general what I've found is that it is difficult to fine
> speed force and travel that would meet my requirements.  I can have to of
> the three, almost any two but not all three.  But this site might be worth
> a look for your problem.
>
> https://www.progressiveautomations.com/linear-actuators/
> stroke/1-inch/force/150-lbs
>
>
>  stroke/1-inch/force/150-lbs>
>
> Click on the shopping cart to configure what you want.  I chose 1" - 150
> lbs and the only speed option was 0.59 inches per second.  which means it
> would take 1.7 seconds to move the full 1".  This may be a little slower
> that what your looking for. There may be other configuration options that
> would work for you.
>
>
> Hope this helps
>
>
> Cliff
>
>
>
>
> On 02/25/2018 07:03 PM, John Lussmyer via EV wrote:
>
>> On Sun Feb 25 13:15:12 PST 2018 ev@lists.evdl.org said:
>>
>>> https://www.ebay.com/itm/87-91-Ford-Hydraulic-Clutch-Brake-
>>> Pedal-Assembly-F150-F250-F350-Bronco-Manual/323080675802?
>>> hash=item4b391be1da:g:ri8AAOSwuA1ah8XC=mtr
>>>
>>> Perhaps F-150s had a hydraulic clutch for some years.  More research is
>>> required but you may be 

Re: [EVDL] Clutch Actuator

[Cliff Crabtree via EV]

Hi John,

For reference I'm using these pictured from ebay:

1992 automatic transmission brake pedal assembly: 
https://i.ebayimg.com/images/g/U8oAAOSwqaJaYWUY/s-l1600.jpg


1992 manual transmission combined brake clutch pedal assembly: 
https://i.ebayimg.com/images/g/o14AAOSw8-FaVSQR/s-l1600.jpg



Yes. It does appear that the pedal assemblies for automatic and manual 
transmissions are quite different and it would be very difficult to add 
a clutch pedal to the brake assembly for the automatic. What I am 
suggesting is replacing the (single pedal) brake pedal assembly with the 
(two pedal) combined clutch brake pedal assembly from a manual 
transmission F-150. It appears that the single pedal assembly is bolted 
to the firewall/vacuum booster/master cylinder with 4 bolts through the 
firewall plus 2 bolts to a cross member above the assembly (probably the 
dash support).  Removing these 6 bolts and the linkage to the brake 
master cylinder would allow the removal of this assembly.  It appears 
that 5 of the 6 bolt holes can be reused to attach the combined two 
pedal assembly.  If the cross member does not a have hole properly 
aligned for the attachment of the dual pedal assembly a new hole would 
need to be drilled.  Reconnect brake master cylinder the linkage and you 
would now have the brake setup as original but with a clutch pedal 
flopping on the outboard side of the brake pedal.


Two additional holes may need to be drilled for attaching the clutch 
master cylinder to the firewall and a hole cut for the linkage to the 
clutch master cylinder.  Then attach the clutch master cylinder to the 
firewall and the clutch pedal. Install the slave cylinder on the 
transmission/bell housing. Install the hydraulic tubing between master 
cylinder and the slave cylinder.


That being said, this does not answer your original question but is 
rather a follow on to another another suggestion.


To address though not actually answer your original question:


I have been looking for linear actuators to replace the shift and 
selector cables.  he cables take up too much space in the engine 
compartment of my Fiero - space where  would rather put batteries.  So I 
have been looking to this a little.  In general what I've found is that 
it is difficult to fine speed force and travel that would meet my 
requirements.  I can have to of the three, almost any two but not all 
three.  But this site might be worth a look for your problem.


https://www.progressiveautomations.com/linear-actuators/stroke/1-inch/force/150-lbs




Click on the shopping cart to configure what you want.  I chose 1" - 150 
lbs and the only speed option was 0.59 inches per second.  which means 
it would take 1.7 seconds to move the full 1".  This may be a little 
slower that what your looking for. There may be other configuration 
options that would work for you.



Hope this helps


Cliff



On 02/25/2018 07:03 PM, John Lussmyer via EV wrote:

On Sun Feb 25 13:15:12 PST 2018 ev@lists.evdl.org said:

https://www.ebay.com/itm/87-91-Ford-Hydraulic-Clutch-Brake-Pedal-Assembly-F150-F250-F350-Bronco-Manual/323080675802?hash=item4b391be1da:g:ri8AAOSwuA1ah8XC=mtr

Perhaps F-150s had a hydraulic clutch for some years.  More research is
required but you may be able to pick up a used one at a salvage yard.

Yes, ford trucks have had hydraulic clutches for years.
As I have said, the problem is MOUTING the clutch pedal.
This truck was originally an automatic, the pedal mounting system is completely 
different from the manual transmission version of the truck.


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Re: [EVDL] Clutch Actuator

[Jay Summet via EV]

On February 25, 2018 10:33:48 AM EST, John Lussmyer via EV  
wrote:
>On Sat Feb 24 18:46:38 PST 2018 ev@lists.evdl.org said:
>>FYI - Down-shifting can be done a lot faster than up-shifting with
>just
>>synchros, if you "goose" the throttle to bring the motor up to speed
>>with the transmission.
>
>Easy with a gas engine.
>Much harder with an Electric Motor and a Z2K controller.  It's REALLY
>REALLY easy to wind the motor up to max RPM's almost instantly.

I only have a 400amp Curtis, so maybe that makes it easier on me. 
IIRC, the zilla has over speed protection as an option though?

Jay

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Re: [EVDL] Clutch Actuator

[John Lussmyer via EV]

On Sun Feb 25 13:15:12 PST 2018 ev@lists.evdl.org said:
>https://www.ebay.com/itm/87-91-Ford-Hydraulic-Clutch-Brake-Pedal-Assembly-F150-F250-F350-Bronco-Manual/323080675802?hash=item4b391be1da:g:ri8AAOSwuA1ah8XC=mtr
>
>Perhaps F-150s had a hydraulic clutch for some years.  More research is
>required but you may be able to pick up a used one at a salvage yard.

Yes, ford trucks have had hydraulic clutches for years.
As I have said, the problem is MOUTING the clutch pedal.
This truck was originally an automatic, the pedal mounting system is completely 
different from the manual transmission version of the truck.


--

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Re: [EVDL] Clutch Actuator

[Cliff Crabtree via EV]

My 1987 Pontiac Fiero has a hydraulic clutch the parts are available at 
"The Fiero Store" - "https://www.fierostore.com/;


The parts that might help with this effort are here: 
"https://www.fierostore.com/Product/Browse.aspx?d=103=1;


Hope this helps,


Cliff


On 02/25/2018 07:40 AM, John Lussmyer via EV wrote:

On Sat Feb 24 17:51:27 PST 2018 ev@lists.evdl.org said:

There are pedals that just operate a hydraulic cylinder, the only change
to the vehicle would then be to create a small hole to run a hydraulic
line
to the bell housing where you mount the slave cylinder.

So, any idea where I can find such a thing?



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http://john.casadelgato.com/Electric-Vehicles/1995-Ford-F-250

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Re: [EVDL] Clutch Actuator

[Cliff Crabtree via EV]

Hi Cor and John,

I came across this pedal assembly on ebay.

https://www.ebay.com/itm/87-91-Ford-Hydraulic-Clutch-Brake-Pedal-Assembly-F150-F250-F350-Bronco-Manual/323080675802?hash=item4b391be1da:g:ri8AAOSwuA1ah8XC=mtr


Perhaps F-150s had a hydraulic clutch for some years.  More research is 
required but you may be able to pick up a used one at a salvage yard.


Later,

Cliff

On 02/25/2018 08:59 AM, Cor van de Water via EV wrote:

Hi John,I searched for "hydraulic clutch" and a lot of results and suppliers 
came up, with pedal assemblies and slave cylinders.Success!


Sent from my T-Mobile 4G LTE Device
 Original message From: John Lussmyer via EV <ev@lists.evdl.org> Date: 
2/25/18  7:40 AM  (GMT-08:00) To: Electric Vehicle Discussion List <ev@lists.evdl.org> Cc: 
John Lussmyer <cou...@casadelgato.com> Subject: Re: [EVDL] Clutch Actuator
On Sat Feb 24 17:51:27 PST 2018 ev@lists.evdl.org said:

There are pedals that just operate a hydraulic cylinder, the only change
to the vehicle would then be to create a small hole to run a hydraulic
line
to the bell housing where you mount the slave cylinder.

So, any idea where I can find such a thing?



--

Worlds only All Electric F-250 truck! 
http://john.casadelgato.com/Electric-Vehicles/1995-Ford-F-250

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Re: [EVDL] Clutch Actuator

[Cor van de Water via EV]

Actually, I searched for "Hydraulic Clutch Pedal Assembly",
but I was not near my laptop when I first answered.

Wilwood, Speedway, CNC are names that come up with this search:
https://www.google.com/search?q=hydraulic+clutch+pedal+assembly

Cor.

-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Cor van de
Water via EV
Sent: Sunday, February 25, 2018 9:00 AM
To: Electric Vehicle Discussion List
Cc: Cor van de Water
Subject: Re: [EVDL] Clutch Actuator

Hi John,I searched for "hydraulic clutch" and a lot of results and
suppliers came up, with pedal assemblies and slave cylinders.Success!


Sent from my T-Mobile 4G LTE Device
 Original message From: John Lussmyer via EV
<ev@lists.evdl.org> Date: 2/25/18  7:40 AM  (GMT-08:00) To: Electric
Vehicle Discussion List <ev@lists.evdl.org> Cc: John Lussmyer
<cou...@casadelgato.com> Subject: Re: [EVDL] Clutch Actuator On Sat Feb
24 17:51:27 PST 2018 ev@lists.evdl.org said:
>There are pedals that just operate a hydraulic cylinder, the only 
>change to the vehicle would then be to create a small hole to run a 
>hydraulic line to the bell housing where you mount the slave cylinder.

So, any idea where I can find such a thing?



--

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http://john.casadelgato.com/Electric-Vehicles/1995-Ford-F-250

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Re: [EVDL] Clutch Actuator

[Cor van de Water via EV]

Hi John,I searched for "hydraulic clutch" and a lot of results and suppliers 
came up, with pedal assemblies and slave cylinders.Success!


Sent from my T-Mobile 4G LTE Device
 Original message From: John Lussmyer via EV 
<ev@lists.evdl.org> Date: 2/25/18  7:40 AM  (GMT-08:00) To: Electric Vehicle 
Discussion List <ev@lists.evdl.org> Cc: John Lussmyer <cou...@casadelgato.com> 
Subject: Re: [EVDL] Clutch Actuator 
On Sat Feb 24 17:51:27 PST 2018 ev@lists.evdl.org said:
>There are pedals that just operate a hydraulic cylinder, the only change
>to the vehicle would then be to create a small hole to run a hydraulic
>line
>to the bell housing where you mount the slave cylinder.

So, any idea where I can find such a thing?



--

Worlds only All Electric F-250 truck! 
http://john.casadelgato.com/Electric-Vehicles/1995-Ford-F-250

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Re: [EVDL] Clutch Actuator

[John Lussmyer via EV]

On Sat Feb 24 17:51:27 PST 2018 ev@lists.evdl.org said:
>There are pedals that just operate a hydraulic cylinder, the only change
>to the vehicle would then be to create a small hole to run a hydraulic
>line
>to the bell housing where you mount the slave cylinder.

So, any idea where I can find such a thing?



--

Worlds only All Electric F-250 truck! 
http://john.casadelgato.com/Electric-Vehicles/1995-Ford-F-250

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Re: [EVDL] Clutch Actuator

[John Lussmyer via EV]

On Sat Feb 24 18:46:38 PST 2018 ev@lists.evdl.org said:
>FYI - Down-shifting can be done a lot faster than up-shifting with just
>synchros, if you "goose" the throttle to bring the motor up to speed
>with the transmission.

Easy with a gas engine.
Much harder with an Electric Motor and a Z2K controller.  It's REALLY REALLY 
easy to wind the motor up to max RPM's almost instantly.

>The upshift without a clutch is much more annoying, because you have to
>wait for the motor to slow down to match speed, and when you are
>upshifting it's typically because you want to go faster...so you are
>coasting along with no acceleration for 5 seconds holding up traffic.

Yup, BUT with the smaller mass of the Electric motor, the synchros can actually 
force the motor to slow down.

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Re: [EVDL] Clutch Actuator

[Lee Hart via EV]

Jay Summet via EV wrote:

FYI - Down-shifting can be done a lot faster than up-shifting with just
synchros, if you "goose" the throttle to bring the motor up to speed
with the transmission.


You'll get good at it with practice, too. My ComutaVan was clutcless, 
and I got good at shifting by ear. It's also a useful skill for old cars 
and motorcycles, which often did not have synchronizers.



The upshift without a clutch is much more annoying... so you are
coasting along with no acceleration for 5 seconds holding up traffic.


Yes indeed. However, it's much better if you leave out the flywheel. My 
ComutaVan had no flywheel or clutch assembly at all, and my LeCar EV has 
a severely lightened flywheel.



I've considered adding a "regen" alternator to the front shaft of my
motor with a button on the shifter that I could trigger so I can "order"
the motor to slow down on command...also so that I can get a little bit
of regen on my DC motor]


I considered it as well, but don't have the room. But many controllers 
have "plug braking", which in essense shorts the motor to make it slow 
down faster. Plug braking also prevents the motor from violently 
becoming a generator if it is rotated backwards while it is powered 
forwards.

--
Engineers like to solve problems. If there are no problems handily
available, they will create their own problems. -- Scott Adams
--
Lee Hart, 814 8th Ave N, Sartell MN 56377, www.sunrise-ev.com
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Re: [EVDL] Clutch Actuator

[Jay Summet via EV]

FYI - Down-shifting can be done a lot faster than up-shifting with just 
synchros, if you "goose" the throttle to bring the motor up to speed 
with the transmission.


I have no problem downshifting without a clutch using the "stomp on the 
throttle a few times to match the motor speed" trick. Typically when you 
downshift it is because you are slowing down, so not having acceleration 
during the shifting process isn't an issue.


The upshift without a clutch is much more annoying, because you have to 
wait for the motor to slow down to match speed, and when you are 
upshifting it's typically because you want to go faster...so you are 
coasting along with no acceleration for 5 seconds holding up traffic. 
[I've considered adding a "regen" alternator to the front shaft of my 
motor with a button on the shifter that I could trigger so I can "order" 
the motor to slow down on command...also so that I can get a little bit 
of regen on my DC motor]


Jay




On 02/24/2018 07:40 PM, John Lussmyer via EV wrote:

My Electric F-150 has a clutch, but no clutch pedal.  So I can't actually 
disengage the clutch.  I can shift from 3rd to 4th just using the syncrhos, 
takes 5-10 seconds.
This hasn't been a major problem, but  there are times when I would like to 
shift down, and that can be difficult and slow.
Does anyone know of a solenoid or servo that can operate the clutch lever that 
is sticks out of the bell housing?
I'm guessing it may need 100lbs of force, and a 1" stroke.

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Re: [EVDL] Clutch Actuator

[Cor van de Water via EV]

There are pedals that just operate a hydraulic cylinder, the only change
to the vehicle would then be to create a small hole to run a hydraulic
line
to the bell housing where you mount the slave cylinder.

-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of John Lussmyer
via EV
Sent: Saturday, February 24, 2018 5:37 PM
To: Electric Vehicle Discussion List
Cc: John Lussmyer
Subject: Re: [EVDL] Clutch Actuator

On Sat Feb 24 17:20:00 PST 2018 ev@lists.evdl.org said:
>I would put in a clutch pedal.

Which is a MAJOR non-trivial change.
This truck originally had an Automatic transmission, and the entire
pedal-mounting system under the dash is completely different from a
truck with a manual transmission.


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Re: [EVDL] Clutch Actuator

[John Lussmyer via EV]

On Sat Feb 24 17:20:00 PST 2018 ev@lists.evdl.org said:
>I would put in a clutch pedal.

Which is a MAJOR non-trivial change.
This truck originally had an Automatic transmission, and the entire 
pedal-mounting system under the dash is completely different from a truck with 
a manual transmission.


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Worlds only All Electric F-250 truck! 
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Re: [EVDL] Clutch Actuator

[Dale Curren via EV]

I would put in a clutch pedal.

On Sat, Feb 24, 2018 at 5:57 PM, Peri Hartman via EV 
wrote:

> Wouldn't you prefer a servo? A solenoid would engage the clutch instantly
> causing, I think, a significant lurch if the motor speed isn't close.
> Besides, the power needed would be a lot less for a servo, allowing for a
> smaller, cheaper device.
>
> Peri
>
> -- Original Message --
> From: "John Lussmyer via EV" 
> To: "Electric Vehicle Discussion List" 
> Cc: "John Lussmyer" 
> Sent: 24-Feb-18 4:40:46 PM
> Subject: [EVDL] Clutch Actuator
>
> My Electric F-150 has a clutch, but no clutch pedal.  So I can't actually
>> disengage the clutch.  I can shift from 3rd to 4th just using the syncrhos,
>> takes 5-10 seconds.
>> This hasn't been a major problem, but  there are times when I would like
>> to shift down, and that can be difficult and slow.
>> Does anyone know of a solenoid or servo that can operate the clutch lever
>> that is sticks out of the bell housing?
>> I'm guessing it may need 100lbs of force, and a 1" stroke.
>>
>> --
>> Tigers prowl and Dragons soar in my dreams...
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>> /NEDRA)
>>
>>
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Re: [EVDL] Clutch Actuator

[Peri Hartman via EV]

I did notice the "or". And I follow your logic. The servo should work ok 
but my intuition says otherwise. No experience to back that up, though 
:)


Peri

-- Original Message --
From: "John Lussmyer" 
To: "Electric Vehicle Discussion List" ; "Peri 
Hartman" 

Cc:
Sent: 24-Feb-18 5:07:50 PM
Subject: Re: Clutch Actuator


Note that I did say "solenoid OR servo"
Not much of a lurch with a Electric Motor as there isn't much spinning 
mass inertia.


On Sat Feb 24 16:57:44 PST 2018 ev@lists.evdl.org said:

Wouldn't you prefer a servo? A solenoid would engage the clutch
instantly causing, I think, a significant lurch if the motor speed 
isn't

close. Besides, the power needed would be a lot less for a servo,
allowing for a smaller, cheaper device.

Peri

-- Original Message --
From: "John Lussmyer via EV" 
To: "Electric Vehicle Discussion List" 
Cc: "John Lussmyer" 
Sent: 24-Feb-18 4:40:46 PM
Subject: [EVDL] Clutch Actuator


My Electric F-150 has a clutch, but no clutch pedal.  So I can't
actually disengage the clutch.  I can shift from 3rd to 4th just 
using

the syncrhos, takes 5-10 seconds.
This hasn't been a major problem, but  there are times when I would
like to shift down, and that can be difficult and slow.
Does anyone know of a solenoid or servo that can operate the clutch
lever that is sticks out of the bell housing?
I'm guessing it may need 100lbs of force, and a 1" stroke.

--
Tigers prowl and Dragons soar in my dreams...
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Worlds only All Electric F-250 truck! 
http://john.casadelgato.com/Electric-Vehicles/1995-Ford-F-250




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Re: [EVDL] Clutch Actuator

[John Lussmyer via EV]

Note that I did say "solenoid OR servo"
Not much of a lurch with a Electric Motor as there isn't much spinning mass 
inertia.

On Sat Feb 24 16:57:44 PST 2018 ev@lists.evdl.org said:
>Wouldn't you prefer a servo? A solenoid would engage the clutch
>instantly causing, I think, a significant lurch if the motor speed isn't
>close. Besides, the power needed would be a lot less for a servo,
>allowing for a smaller, cheaper device.
>
>Peri
>
>-- Original Message --
>From: "John Lussmyer via EV" 
>To: "Electric Vehicle Discussion List" 
>Cc: "John Lussmyer" 
>Sent: 24-Feb-18 4:40:46 PM
>Subject: [EVDL] Clutch Actuator
>
>>My Electric F-150 has a clutch, but no clutch pedal.  So I can't
>>actually disengage the clutch.  I can shift from 3rd to 4th just using
>>the syncrhos, takes 5-10 seconds.
>>This hasn't been a major problem, but  there are times when I would
>>like to shift down, and that can be difficult and slow.
>>Does anyone know of a solenoid or servo that can operate the clutch
>>lever that is sticks out of the bell housing?
>>I'm guessing it may need 100lbs of force, and a 1" stroke.
>>
>>--
>>Tigers prowl and Dragons soar in my dreams...
>>___
>>UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
>>http://lists.evdl.org/listinfo.cgi/ev-evdl.org
>>Please discuss EV drag racing at NEDRA
>>(http://groups.yahoo.com/group/NEDRA)
>>


--

Worlds only All Electric F-250 truck! 
http://john.casadelgato.com/Electric-Vehicles/1995-Ford-F-250

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Re: [EVDL] Clutch Actuator

[Peri Hartman via EV]

Wouldn't you prefer a servo? A solenoid would engage the clutch 
instantly causing, I think, a significant lurch if the motor speed isn't 
close. Besides, the power needed would be a lot less for a servo, 
allowing for a smaller, cheaper device.


Peri

-- Original Message --
From: "John Lussmyer via EV" 
To: "Electric Vehicle Discussion List" 
Cc: "John Lussmyer" 
Sent: 24-Feb-18 4:40:46 PM
Subject: [EVDL] Clutch Actuator

My Electric F-150 has a clutch, but no clutch pedal.  So I can't 
actually disengage the clutch.  I can shift from 3rd to 4th just using 
the syncrhos, takes 5-10 seconds.
This hasn't been a major problem, but  there are times when I would 
like to shift down, and that can be difficult and slow.
Does anyone know of a solenoid or servo that can operate the clutch 
lever that is sticks out of the bell housing?

I'm guessing it may need 100lbs of force, and a 1" stroke.

--
Tigers prowl and Dragons soar in my dreams...
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