I also have a 2013, original battery was 10 bars when I bought it in 2019,
done 25K km since then, battery dropped to 7 bars this year. I found another
2013 battery with 10 bars, had dome more kms than mine. So far it's still at
10 bars. Here in NZ 2013 is the worst for battery degradation, almost
I have bikes with ev conversions I bought before the dedicated e bikes were
available, but hub motors. I don't use gears, I keep it in top gear. Can you
ride a centermotor bike only using top gear? Then you can do away with
derailleur?
-Original Message-
From: EV On Behalf Of Bill Woodc
At 400V battery voltage it will probably be "transformerless", in which case
the power side would be capable of running at 200V for 120V output. The
control would need to be "hacked". I have a UPS I bought for $300, 225V
battery and 240V AC out. Not grid tied though, these are available 2nd hand,
>
Seems to have worked ok to me!
https://youtu.be/V8Nu94khHoo
https://youtu.be/_Cq0ffFiJUY
https://youtu.be/4pd8SFCuFpk
https://youtu.be/Vbjorr_FIko
There are more than you will want to watch! In the early 60's there was a
article in "popular Science", I tried it with a sheet of paper on the floor.
I actually think hydrogen from solar and wind is a good think, ICE trucks
pickups etc can be converted to run hydrogen in the ICE engine, just stop
making new ICE cars. Hydrogen helps in a few different ways. With petrol, it
can run on a 5% mixture, so you can almost run without a throttle which
-Original Message-
From: EV On Behalf Of Lee Hart via EV
Sent: Thursday, 22 April 2021 6:46 am
To: George Tyler via EV
Cc: Lee Hart
Subject: Re: [EVDL] From my nissan leaf .com: Why the Leaf 12v system
undercharges the 12v battery.
George Tyler via EV wrote:
> An alternator is very
An alternator is very different to a Dc-Dc converter in this respect. Modern
high frequency DC-DC conv. Have very small inductors storing very little
energy. An Alternator has a HUGE inductor storing a lot of energy, and this
is not on the output but in the control side! So has much more effect! Y
I think that's normal, there has to be some electronics one for remote to work?
My hybrids did this too, in fact, even my old 1994 estima does this, no remotes.
-Original Message-
From: EV On Behalf Of Glenn Brooks via EV
Sent: Wednesday, 21 April 2021 4:46 pm
To: p...@ingineerix.com; Ele
The leaf battery behaves much like the 12V Prius battery in my experience.
They both seem to fail earlier than they should, but when should they fail?
That is "opinion". The failure mode is different, probably because they
don't fail by not turning a started motor? So you don't know capacity is
a
I have converted one, the older wide body leaf charging cable has a 200V
60hz transformer. Here, the frequency is 50hz so already 20% higher flux
density from that. They burn out on 240Vac 50Hz dure to transformer
saturation. I took the transformer out, could have got it rewound for the
required vo
yes, on yoytube.
- Original Message -
From: "EVDL Administrator via EV"
To: "Electric Vehicle Discussion List"
Cc: "EVDL Administrator"
Sent: Wednesday, February 3, 2021 7:36:00 AM
Subject: Re: [EVDL] Updating old EV truck with genset?
On 2 Feb 2021 at 13:26, paul dove via EV wrote:
>
I have seen similar reports, but what it did not take into account is the
change in accuracy of the odometer! In now reads 10% higher for the same
distance travelled, and you also travelling it at a 10% lower speed!
-Original Message-
From: EV On Behalf Of Peter VanDerWal via EV
Sent: Mond
Many devices are 88 to 264V, that will just work.
-Original Message-
From: EV On Behalf Of paul dove via EV
Sent: Friday, 28 August 2020 6:30 am
To: ev@lists.evdl.org
Cc: paul dove ; David Delman
Subject: Re: [EVDL] DC - DC Iota DLS-55/IQ4
The DLS-55 is designed to run off of 120V AC
They must have an AC battery.
-Original Message-
From: EV On Behalf Of evln via EV
Sent: Sunday, 9 August 2020 5:10 pm
To: ev@lists.evdl.org
Cc: evln
Subject: [EVDL] EVLN: Audi V2H/Home-charging tech> 12kW DC wallbox &9kW storage
https://in.finance.yahoo.com/news/audi-developing-ve
Hi all, I am considering getting a battery for my leaf, I think there will be
many more in USA than NZ, and hopefully at a price I can afford. Does anyone
know of a source there? Problem is, it needs to be good, not stored for long
and not at or near 100%. Then, I would need to get it shipped...
"> Consider hybrid cars; they generally get better fuel economy.
I'm not an engineer, so I'm treading hazardous waters here, but I'm not so
sure I agree."
A clue comes from the fact that EV's get their best consumption around town,
and ice cars on the open road. As ice can get 35% efficiency, b
I have been considering this too, seems silly to convert the solar panel
power to 50/60Hz AC, into the Leaf, then to DC to charge the batteries
again! I am thinking it would be better to have solar always below 360V
(lowest leaf battery voltage) and a boost converter or isolated topology
to cha
ely, but I look fwd to hearing what others have to say about this...
Sincerely,
Bob Bath
Note: any misspellings of the contents of this message are due to 54 y.o.
vision, hyperactive spell check changing what I typed, or fat fingering— not
cluelessness.
On Aug 13, 2019, at 9:14 PM, George Ty
Has anyone had a good look at the operation of the Leaf BMS.
Circuit is very different, and so is the operation. First thing I
noticed when I got leafspy was that the BMS works ALL the time, not just
above a certain voltage. Leafspy also shows it working on the lowest
cells, so it's not jus
really? I just got rid of 7 Priuses for high self discharge, NHW10's, I
still have a number of packs, now 20 years old, only ever found 1 cell
with low capacity, and 1 with high internal resistance. They still have
over 5 Ah capacity, but i have seen up to an amp self discharge, well
some total
I am thinking, it all depends on what is acceptable range? 50% loss over 5
years, so in a year it's 40%, 2 year 30%, so probably not worth paying
NZ$10k (US$6,600) for?
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Willie via EV
Sent: 13 December, 2018 11:39 A
Hi all, I am considering buying a used import from Japan Leaf, can someone
please explain the terms they use for battery, they advertise like this:
" 9 BARS, SOH 68% ", and some people talk about GID and Ah, I do understand
electronics, but I don't know what they talking about in relation to bat
I know my Prius computers draw a total of 250W standing still. if the
leaf was similar, whats 250Wh consumed in an hour even if you did not move.
On 07-Dec-18 5:24 AM, Peri Hartman via EV wrote:
So, Steve, are you inferring the the 3.2 miles / kWh number could be
inaccurate? If it's reasonably
>From my experience, we had an in-house test company that ran independently,
we wanted to know the truth, results are not released to the public but used
to improve reliability. The name of the company is at stake. When I see
something like a cell phone company that has battery fires I know it's
ei
It is not a test done on 1 product, it is all work out statistically, it
will be something like, "if you test 100 batteries with acceleration
factor X for 3 months, then you will be 97% confident it that it will
last 10 years in the car." At Gallaghers (electric fence manufacturers)
we had 1 gu
It is the meaning of "lifetime" i think, that is in question, of course
not every battery will last 10 years, i should have said "expected
lifetime", i guess.
On 12-Sep-18 10:48 AM, Jan Steinman via EV wrote:
From: "George Tyler"
it is all proven science, you can prove a lifetime of 10 yea
Also worked on SONAR, really interesting stuff. Had a 1,8m high bay full of
processors, detecting ship's propeller noise. Each one had the sound of a
known ship's prop stored in ROM and did a correlation to find which ship it
was. Also did some work on the fire control for the torpedo's. those had
From a Electrical engineering perspective, the mean time between
failures of 6800 cells is terrible but you can lose a lot and still have
a functioning car, so I recon he is probably right, but it depends of
the MTBF of the 2 types of cells too. I used to design electronics for
military, (subma
I have been considering this too, but for some old Priuses I have. It is not
easy! Equallisation is done by overcharging the full cells at 10-15A, can't
do that with Lithium! With these cells, which are the same as my prius ones,
overcharging is allowed. Also, even with Ni-Mih they are degraded by
I have some headway cells in the original boxes, charge them every few
months, if I wait too long some will be 2V and others 3.65, from being
equal the time before. I have jigs to measure self discharge directly, a
4 wire very accurate charger with a current measurement, I calculate the
self di
Another thing, I see the ebike chargers have 2 voltage pots, I think one
is for the ballance charge, at reduced current. Have anyone seem this?
On 12-May-18 6:47 AM, paul dove via EV wrote:
Thanks that was interesting. It’s more likely that the Dakota BMS was causing
the imbalance with parasi
I have used headway cells, headway specs them as 5% per month self
discharge! so have close to zero, worse is 5 in practice. found it to be
a big problem, if you charge every day it's ok, but the ebike i got them
for may go a while without charging, also, If it is not left on charge
long enough
He only wants 30 kw, many engine could do this at lower rpm. Low rpm is not a
problem as long as it is high enough to keep the oil pressure up and not cause
vibration that may cause crankshaft failure.
-Original Message-
From: "Lee Hart via EV"
Sent: 5/03/2018 04:55 p.m.
To: "R. Spar
I have done something like this, but on a smaller scale. Simple approach, run
engine at 1/2 or 3/4 throttle, control excitation to control engine revs, if
you want more power, REDUCE excitation! No regulator. Use 3 ph bridge, ripple
frequency is 360 Hz depending on speed, and alternator inductan
Sounds reasonable, but surely the charge current is much less than the
discharge, so voltage drop on discharge will triggrer low charge cutoff
for the pack long before this becomes an issue with charging? I have had
problems with high self discharge on headway cells, still within spec of
5% per
I saw it! at the charging station in Cambridge NZ, opposite the town
hall, which is the nearest town to me. Green "Jucy" van, very small for
a campervan.
On 09-Feb-18 6:46 PM, brucedp5 via EV wrote:
http://gisborneherald.co.nz/autowatch/3198473-135/electric-campervan-on-three-week-road-tri
Pity it is left hand drive, I would buy the whole car and ship to nz
-Original Message-
From: "Cor van de Water via EV"
Sent: 3/06/2017 08:24 a.m.
To: "ev@lists.evdl.org"
Subject: [EVDL] Anybody interested in 2012 Leaf minus battery and Airco?
I have a 2012 brilliant Silver Leaf SV i
If you use that ebikes.ca calculator, set the controller current limit well
above what the motor can handle, you will see maximum power at close to 50%
of maximum RPM, this is at full throttle, and current only limited by the
motor resistance. At that 50% speed efficiency is also around 50%. Loweri
Have a look at ebikes.ca , they have a setup that is basically a hub motor used
like mid motor run at a higher voltage and RPM than it is normally used at,
called the "strokemonkey". A 24V, 1kw motor used at 48V gives 2kw. There is a
calculator on there that is very helpful. Verne Pavreel who ha
How about using a front end cut from a Prius as a trailer? Keep the drive
shafts etc, everything just as it is. Then, it is a pusher trailer plus charger
with extra regen braking too. There would be a number of ways of doing this, if
you want it simple, don't use MG2 Just MG1, and control the t
Verne has problem posting on here, although I set up an account for him some
years ago. He is blind, so working a computer is not as easy as for sighted
people. You can see him in this video.
From: verne.pavr...@gmail.com [mailto:verne.pavr...@gmail.com]
Sent: 16 February, 2017 7:04 PM
To: Geo
Some time ago I discussed a system on here this was similar in a way, trying to
reduce the number of cells. I talkinged about going all the way, ONE cell.
10,000 Amps at 4V for an exercise. There are fets now that are 1mOhm or below,
I had many phases in my proposal, so does this. Many phases wi
tains confidential and
proprietary information of Proxim Wireless Corporation. If you received
this message in error, please delete it and notify the sender. Any
unauthorized use, disclosure, distribution, or copying of any part of this
message is prohibited.
-Original Message-
From: EV [mailto
Verne Pavreal asked me to post this: Some time ago he and I were discussing
a range extender generator for an electric Nissan NV200 van he wanted to
buy, came up with the idea of using the front end of a Toyota NHW10 Prius, I
have a few. A friend of both of us in Auckland, George Spratt, has used a
If there is no slip then the current in the rotor is zero, no matter what
the current is in the stator. Rotor has a L/R ratio, and has an amount of
slip that produces the maximum current, more than this slip and the current
in this rotor drops off due to the rotor inductance. Talking about motors
d
Accelerated life testing is a science on it's own. A friend of mine has made a
career out of it, runs a network of Labs for a huge medical electronics
company. We worked for the same company twice through the years, he did the
testing for a lot of the electronic products I designed. What separat
In the early days of switchmode PSU's it was common to use N.T.C. resistors
for inrush current limiting, later on we went away from that. Look at PC
power supplies from the '80s and '90s at least, they have a 1 Ohm, 5 W
resistor in series (for a 230Vac PSU. The problem with an NTC is they stay
hot
If you drive through the countryside (like I did last year) you will see
solar huge farms. One was a fiels of solar panels about 1km long by 500m
wide. Thought UK was the worst place for solar due to the weather
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf
Hi, here in NZ many people are importing used Nissan Leaf's from Japan.
Japan has different voltage and frequency to the supply here, leaf charging
cable: 200V 60hz, NZ voltage 230V 50Hz. There is a small transformer in the
cable that has to be changed, but opening the cable means that it has to be
Makes perfect sense, after every hour they are producing 2 kW more, so after
10 hours they are producing 20 kW, after 1000 hrs, 2 MW!
In NZ we have this kind of mistake on TV, from our energy conservation
authority, EECA! They just seem incapable of understanding the basic
science, They employ mai
Have you guys heard of lithium-sulphur cells?
http://www.oxisenergy.com I am travelling in the UK at the moment, and the
friend I am staying with told me that this company is not far from where we
are, we are going to arrange a visit.
-Original Message-
From: EV [mailto:ev-boun...@lists.
It is clearly the sun causing the problem. Some years ago I was designing
RFID readers for cow tags, I found that the tags themselves were sensitive
to sunlight! In fact, any chip that does not have sunlight positively
excluded is this meter will probably have a chip bonded to the bottom of
the
Yes, so take it out of the realm of DIY by having a world wide not for
profit company that does it, all you guys shareholders. In this company an
individual can make profits on conversions done for others.
It's the same in NZ, incentives are only for registered companies.
These companie
AVARI via EV
wrote:
>
> - Original Message -----
> From: George Tyler via EV
> To: 'brucedp5' , 'Electric Vehicle Discussion
> List'
> Sent: Thu, 25 Sep 2014 14:43:05 -0600 (MDT)
> Subject: [EVDL] co-operation
>
> > In this forum we have all
y, 26 September 2014 8:58 a.m.
To: EV
Subject: Re: [EVDL] co-operation
- Original Message -
From: George Tyler via EV
To: 'brucedp5' , 'Electric Vehicle Discussion List'
Sent: Thu, 25 Sep 2014 14:43:05 -0600 (MDT)
Subject: [EVDL] co-operation
> In this forum we have all
I had a look at the headway factory interconnects, they are plated steel I
think as they are magnetic, could be nickel but they were strongly attracted to
a magnet so I think steel. 1mm thick, 20mm wide.
___
UNSUBSCRIBE: http://www.evdl.org/help/index
Elon Musk says that America is the easiest place to get any new thing going,
and he is probably right. There are more EV conversions in USA than anywhere
else, and there are people doing it commercially. Why has this market not taken
off? In this forum we have all the skills necessary to set up
Have you ever tested Enerdel batteries?
Lee Hart wrote:
My earliest ones were from a group buy organized by Victor Tikhonov in 2003.
They were white prismatic Lithium-Cobalt cells, in both 90ah and 100ah
models. Some of the 100ah cells were OK (maybe 3 out of 4 worked, but didn't
meet specs). *All
Why not just buy the link plates that headway sell, made for the purpose.
Get the cell mounts at the same time?
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Michael Ross via EV
Sent: Tuesday, 23 September 2014 11:41 a.m.
To: EVDL Administrator; Electric Vehic
I think this is the technique they use to weld the dissimilar metals may be
this
"http://youtu.be/ohmOjtgKFj8";
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Michael Ross via EV
Sent: Saturday, 20 September 2014 11:43 a.m.
To: evdragra...@email.com; Elec
Best interconnects are the ones supplied by headway for the purpose. More
dissimilar metal connections will make more problems. As it is, the dissimilar
junction is welded and is inside the sealed case, probably the best that can be
achieved, if you did not have that you would have aluminium th
Also, the Prius uses a drive chain from the power split device to a shaft
carrying a gear which drives the diff.
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Lee Hart via EV
Sent: Thursday, 7 August 2014 5:18 a.m.
To: Electric Vehicle Discussion List
Subject:
I have both types, just checked them, no sign of aluminium anywhere
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Michael Ross via EV
Sent: Thursday, 18 September 2014 11:43 a.m.
To: evdragra...@email.com; Electric Vehicle Discussion List
Subject: Re: [EVDL]
Are you sure the ends are aluminium? Without the screw terminals they are
connected by nickel strips spot welded to the ends, not sure you can spot weld
nickel to aluminium. I think they are plated steel.
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of via EV
I can only talk about the "D Cell" battery of the original Prius, I have
worked on many of those, changed many cells, tested them to see what is
wrong, etc. I have not seen ANY lose capacity. What happens is some cells
suffer from increased self discharge. I measure at 1.270 V, this is about
where
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Peter Eckhoff via EV
Sent: Thursday, 28 August 2014 5:50 a.m.
To: Larry Gales; Electric Vehicle Discussion List
Subject: Re: [EVDL] Electric bike information
Hello Larry,
This is a nice summary and I did not see
Funny, I phoned the council not long ago to ask them to do something about
speeding cars in the rural dead end street past my house. They said they would
only do it if someone was killed or injured. I know of other similar events
where people were killed before they changed anything. It's all ba
There is an article on internet somewhere on a V8 hydrogen car that runs
with no throttling, like a diesel and gets diesel like economy. Hydrogen
burns over a wide range of mixture, down to 5%.
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Ben Goren via EV
Sen
That Mustang is probably worth more than a new electric car in some parts of
the world. Sell it and buy a car that would make a better electric with the
money?
http://www.trademe.co.nz/motors/used-cars/ford/auction-748754922.htm
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.or
I have been looking at this, seemed to me that for the capacity, smaller
batteries can discharge a higher current, I guess that's why Tesla uses 7000
small cells? R/C batteries are often rated at 90C or even greater, I have
seen 300C. Look at this:
http://www.hobbyking.com/hobbyking/store/__51838__
I have done a lot of transformer and inductor design over the years, always
said "you can't focus or direct a magnetic field", apart from ordinary
magnetic materials of course. On day I found something that someone had put
together on the web: He pointed out that if you have a resonant coil in a
ma
I thought this was something that I would have liked to be the designer of!
Wireless Advisor
http://elithion.com/diyelectriccar.php#Demo
http://elithion.com/bms_user_interface.php
http://elithion.com/diyelectriccar.php
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On
If I was in America I would consider making something like that to hire out
to Tesla owners. or leaf, Mie v etc
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Larry Gales via EV
Sent: Thursday, 10 July 2014 6:27 a.m.
To: ev@lists.evdl.org; SEVA
Subject: [E
Amazing thing is that even though your fuel tax is so low you still have so
may EV's historically, done more for the development of EV's than any other
country. It must be a great place to live in.
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of EVDL Administrat
Cell voltages actually drop after they are fully charged, less so at high
rates like the 3C of the in-car equalisation charge of the early prius ,
charge termination often involves detecting a -delta V. the Ni-mih cells in
a Prius often suffer from differential high self discharge currents and get
Was the module you were charging in a pack? i.e. was it compressed mechanically
by the end plates? There modules will explode if you charge them without
pressure being applied to the sides. I have also seen modules that are properly
mounted that have had an internal explosion in a dead cell. The
Article says, "Elon Musk is not entirely an altruist", maybe not, but he is
probably the closest to it we will ever see. His aim is to see mankind expand
to the stars, literally. He actually does not care too much if it fails, he is
only doing Tesla because "it is something that should be done".
The original Prius (NHW10, the one only sold in Japan) used 2 different
thermistors, there is a string with 1 thermistor per cell and another 4
thermistors per whole 1/2 pack of 120 cells. The 1 per cell thermistors work
very suddenly, almost like a switch and are all in series so are monitored
as
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