Lee wrote:
>But suppose you want to know how far you can go at a given speed (i.e. a
given load).
>That is a much more complex calculation
I rented a Leaf recently, and I really don't like the "miles remaining"
thing. It varies too much. If you're going uphill, it gives a smaller
number of mile
I think that their best initial use and proving ground would be the parking
lots they discuss on their site. Personal driveways would be a great use, too,
IMHO. For example, we get about 6 feet (2 meters) of snow a year at my house,
and I've often looked at putting in radiant driveway melt, bu
Is there a company that makes a coupler for mechanically connecting two ADC
8-inch motors end-to-end?
Thanks,
Bill
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Does anyone know what amperage the middle terminal of a Leaf battery can
handle for balancing?
Thanks,
Bill
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We were hiking in England last week, and I saw a 2004 Smart Roadster.
Beautiful car. Gets close to 50 mpg. I thought, "when I get home, that's
going to be my next conversion." But my dreams were dashed: the car isn't
legal for US streets. I even contacted some Registered Importers and the
DOT
My wife has been wearing a Fit Bit device, which tracks both the number of
steps she takes and the number of floors she climbs daily. An odd thing is
happening though: when I drive her home from work in my EV, a 1500-ft (450
m) ascent, the device falsely gives her credit for about 7 floors climbe
Does anyone know if there's a limit on the amount of current that can be
taken out of those center terminals on the Leaf cells?
Thanks,
Bill
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Roland via EV
Sent: Saturday, October 11, 2014 10:31 AM
To: John Lussmy
Well, batteries, charger and a few other little things.
I'm going to be starting a new conversion project, and if anyone is
interested in buying my current EV after the batteries are removed, contact
me off-list. This is a 1993 Geo Metro convertible. I had 35 kWh of lithium
cells in it for a rang
Can a 9-inch ADC motor handle being run at 178 volts nominal?
Thanks,
Bill Dennis
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I didn't have any takers on my "Starter EV, Just Add Batteries" offer. So
I'm just going to take out all the EV components and scrap the car. What's
the procedure for getting a motor-less car to a junk yard? Do you have to
pay them to pick up the car, or do they just come and take it off your ha
I just came into possession of an older PB-6 pot box that has an extra wire
coming out just below the throttle wires. Anybody know what it's for?
Thanks,
Bill
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Okay, I got out the ohm meter, and the prize goes to our esteemed EVDL
Administrator. The extra wire is for turning the PB-6 from a 0-5k device
into a 5k-0 device.
Thanks,
Bill
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Does anyone on the list have experience with the Maxforcer Motor Controller?
http://fptronics.weebly.com/
Thanks,
Bill
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Unplanned, I've ended up having two 8-inch ADC motors and two Curtis motor
controllers. Seems a shame to let one set go to waste, so I was wondering
what the complications would be with the following setup:
The two motors connected physically in parallel via pulleys and
ribbed-belt
I've got two Anderson contacts on my pack, one on the negative side and one
on the positive side. So when the key is out of the ignition, the
controller and all other components are separated from the traction pack. I
currently have a 120V system, with two strings in parallel, because I have a
Cu
I got rid of my Geo Metro EV and purchased a 1974 Saab Sonett that was
originaly converted to electric by Walter Kern, of Saab Quantum fame, back
in the 1980's. I'm swapping the lead-acid batteries for lithium, plus
updating some of the electronics. But my old insurance company, SafeCo, has
decli
Last month, I wrote about hooking up two 8-inch ADC motors physically in
parallel, via a toothed belt. I'm wondering how I need to size the belt.
The tail shaft of the motors sticks out about two inches, so that's where
the pulley will have to attach. Unlike normal belt drives, this one won't
be
>>...but the idea of charging in 'series' instead or parallel, is the PFC-30
>>will provide more watts at higher voltage: 288Volts than charging at 144V?
The question Steve was addressing was originally mine. And yes, halving the
charging time is the idea. Since the PFC-30 is limited to the
When putting a Heinemann breaker on the negative side of a traction pack, do
you reverse the connections so that the current still flows in the same
direction though the breaker? That is, should the Line side of the breaker
be connected to the B- terminal of the controller, and the Load side of th
Their current version of the battery has only 40 watts of electricity per
kilogram compared to lithium's 100 to 206 W/kg power density--so you'd need
more of them to get the same power. That might get better as they improve
the cells, of course.
Bill
-Original Message-
From: EV [mailto:
abrielsson [mailto:peter.gabriels...@gmail.com]
Sent: Tuesday, April 7, 2015 4:03 PM
To: Bill Dennis; Electric Vehicle Discussion List
Subject: Re: [EVDL] Aluminum battery from Stanford
You may be confusing power and energy
On Apr 7, 2015 2:59 PM, "Bill Dennis via EV" wrote:
Their cu
; Electric Vehicle Discussion List
Subject: Re: [EVDL] Aluminum battery from Stanford
You may be confusing power and energy
On Apr 7, 2015 2:59 PM, "Bill Dennis via EV" wrote:
Their current version of the battery has only 40 watts of electricity per
kilogram compared to lithium's
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-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Bill Dennis via EV
Sent: Tuesday, April 07, 2015 2:59 PM
To: 'Electric Vehicle Discussion List'
Subject: Re: [EVDL] Aluminum b
Cor wrote:
> Who do you trust...
http://arstechnica.com/science/2015/04/flexible-aluminum-battery-charges-fas
t-stable-for-over-7000-cycles/ -- "But the fact that aluminum atoms only
transferred a single electron when they transited to the cathode is really
not taking full advantage of
David wrote:
>>...though perhaps you might have been more skeptical. ;-)
David,
Typical aluminum-air cells have a power density of around 60-70 W/kg, so
40 W/kg didn't seem out of line. To the contrary, it's the 3000 W/kg number
that seems awfully high.
Bill
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The recharge efficiency, I believe, is between only 15% - 20%. But I don't
see it as much of an issue, since most people would be using the aluminum
battery only as a range extender, not in daily use. The Phinergy test car
relies mostly on lithium cells for its primary mobility, employing the
Al-
I've see Lee Hart's description of using an electric blanket under a battery
pack for heating. Does anyone know if the controllers for these blankets
will work with a modified sine wave inverter? That is, if the blanket's
little control unit that allows you do adjust the heat setting and has an
a
When putting a Heinemann breaker on the negative side of the battery pack
instead of the positive side, should the connections be reversed so that the
breaker's Load terminal is connected to the battery instead of its Line
terminal?
Thanks,
Bill
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UN
How about this idea: install an extra pack in the trunk and or back seat as
you say, but then attach the male end of a Chademo plug to it and do a
little Arduino programming to emulate the supply side of the Chademo. Then
when you need some extra range, pull over and do a quick charge from the
ex
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-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Bill Dennis
I think that the J1772 spec has a 1kHz signal on one of its lines, the duty
cycle of which specifies the maximum charging current. So the device
you're looking at probably has a duty cycles of 25% or so, for around 15A.
Bill
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org]
On the Leaf-type battery packs that came from Better Place vehicles, there
are two, thin, corrugated metal sheets nestled between the three rows of
cells, to allow airflow. If anyone has disassembled a Better Place pack and
has no need for those metal air channel pieces and would like to sell them
I use soil heating cable. It has a built-in 75 degree F thermostat. I usually
just heat the batteries from AC when charging, but I also keep a small 200 watt
inverter in the car in case I need it to power the cables from 12V DC.
Bill
-Original Message-
From: "John Lussmyer via EV"
Se
In case you haven't seen them yet, here are a couple links, one to a guy who's
putting a Leaf drivetrain into an Insight, and another who's putting the Leaf
drivetrain into a Saab Sonett III. The Saab Sonett thread has quite a bit of
detail about the Leaf drivetrain.
http://ecomodder.com/for
Combine a copious annual snowfall with a long steep driveway and you'll
understand why I've got such a monster of a snow blower sitting in my garage
(30 inches wide, 24 inches high, 8 horsepower engine). I'd like to go
electric, but I've never seen an electric snow blower that large. Has
anyone e
The new 2016 Chevy Volt has front grill shutters that automatically close at
high speed, when less cooling airflow is needed, then open up at lower speeds
to let in more air. So that's one possibility, even if you control it manually
yourself.
Bill
-Original Message-
From: EV [mailto:
We get lots of snow where I live. I'm often clearing a foot or more of snow
using a 10.5 hp, 30-inch wide, 24-inch tall unit. I've recently been offered a
similar unit with a blown engine, and I'm toying with the idea of trying to
make it electric. It seems that battery electric snowblowers o
Jay wrote:
> Buy the cheapest motor/controller you can find.
In this link that Bruce sent:
http://www.evalbum.com/3628
the guy is using a Manta brushed DC motor, with *no controller*, which seems
about the cheapest controller you can get. Is it considered okay to hit a
brushed DC motor
I used a 1500W heater core in my Geo Metro conversion, and I'd say that it
kept the car kinda "warmish" on really cold days. But I think if I'd taken
the time to put extra insulation in the car, that would have helped.
Bill
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org]
With the passing of Ursula Le Guin this week, I decided to watch the old PBS
"Lathe of Heaven" movie, which I haven't seen in decades. Filmed in 1979,
the picture tells us that it's set "In the Near Future". Lo and behold,
about 3/4 the way through the film, the protagonist jumps into a CitiCar a
Note that the headline mixes messages a bit. It's 7 times longer than current
Lithium-Metal cells, not 7 times longer than the Li-ion cells currently in EVs.
So it's only 700 cycles, which is still shy of how many cycles Li-ion cells
already achieve.
Bill
-Original Message-
From: EV
FullyCharged did a video riding in the prototype of the Lightyear One:
https://www.youtube.com/watch?v=bSbWwn_YCr8
Bill
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Peri Hartman via EV
Sent: Friday, July 5, 2019 8:36 AM
To: Electric Vehicle Discussion List
Pre-pandemic, when my mother-in-law charged her 2017 Chevy Volt, it would
have about 60 miles electric range. Throughout the pandemic, she's done
nothing with the car except drive it to the top of the driveway and back to
check the mail. When we were finally able to get to Georgia to visit her
th
Glenn Brooks"
Sent: 03-Feb-21 11:26:39 AM
Subject: Re: [EVDL] Pandemic Cell Fade
>One of the Battery cells going bad, maybe.
>
>Sent from my iPad
>
>> On Feb 3, 2021, at 11:14 AM, Bill Dennis via EV
wrote:
>>
>> Pre-pandemic, when my mother-in-law charged her
t usage. So the trips to and
from mailbox may be poor mileage trips.
Does it show 40 miles after several more chargings?
-Steve
> On Feb 3, 2021, at 2:55 PM, Bill Dennis via EV wrote:
>
> She leaves the car plugged in all the time, even after it's fully charged.
> S
Here's a link to a timely video on the hydrogen flying topic:
https://www.youtube.com/watch?v=VFlV1jY6K7Q
Bill
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Larry Gales via EV
Sent: Sunday, May 9, 2021 3:09 PM
To: p...@ingineerix.com; Electric Vehicle Disc
Can someone recommend a small, momentary pulse switch for 5 volts? When the
car's fuel door is opened, I want a the switch to close to send a quick pulse,
then turn off. Same when the fuel door is closed. The switch doesn't have to
handle anything more than milliamps.
Thanks,
Bill Dennis
_
changes and a method to poll to confirm the state ?
Peri
<< Annoyed by leaf blowers ? https://quietcleanseattle.org/ >>
-- Original Message ------
From: "Bill Dennis via EV"
To: "'Electric Vehicle Discussion List'"
Cc: "Bill Dennis"
Se
I was driving on the I-210 outside of Los Angeles this weekend, which is under
construction. They've shifted the lanes, but didn't do a good job of blacking
out the old lane markers. So even as a human driver, I found it quite
difficult to figure out where the lanes actually were. I was wonde
Unexpectedly, I am now the owner of a 2017 Chevy Volt with 22,000 miles on
the odometer. If anyone has any advice or insights for a newbie, I'd be
glad to hear them. The still has its 120V L1 charger. In my first highway
test, it managed 59 miles before the gas engine kicked in, so not bad. I'l
becomes a 3.5-3.6kw EVSE (which is the max the Volt will
charge at)
My PGP public key: https://vanderwal.us/evdl_pgp.key
March 10, 2022 7:05 AM, "Bill Dennis via EV" wrote:
> Unexpectedly, I am now the owner of a 2017 Chevy Volt with 22,000 miles on
> the odometer. If anyone h
There's an article in slate.com today about some of the reasons why people
dislike Tesla, and Musk.
https://slate.com/technology/2022/05/elon-musk-tesla-twitter-fables.html
Bill
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Anyone have a thermal grease that they'd recommend for spreading between a
Curtis 1231C and its heat sink?
Thanks,
Bill Dennis
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Besides an electric motor's not making enough heat to warm a car interior, I
just discovered another disadvantage to that lack of warmth. Every morning
this week, I woke up to find our garage ransacked. Everything knocked over.
Screens mauled. Couldn't figure out how whatever critter was doi
Nathan, fellow Utahn here. Can you tell me which insurance company you use
for your EV?
Thanks,
Bill
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of nathan christiansn
via EV
Sent: Saturday, July 15, 2023 3:32 PM
To: ev@lists.evdl.org
Cc: nathan christiansn
S
Thanks for the info. I do have insurance on the car now, but as a "classic
car" that's meant to be driven only around 500 miles per year.
Bill
-Original Message-
From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of nathan christiansn
via EV
Sent: Thursday, July 20, 2023 8:36 PM
To: e
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