DIY Electric Car Forums > External Information > EVDL List

EVDL List · #1 06-30-2012, 07:15 AM

Jay

I have a 1997 s10 with a 120v system (15 @ 8v) and my wall to wheels
numbers pretty much mirror yours.

Peter Flipsen
[quote] "Jay Summet" <xxx@xxx.xxx> wrote:

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> On 06/23/2012 03:35 AM, Cor van de Water wrote:
>
> > This means a whopping 528 Wh/mi which is also confirmed by the fact
> > that I charged at a ChargePoint a few times and after driving less
> > than 10 miles it needed over 7kWh to recharge. Part of that is
> > losses in the charger and also part is losses in the battery
> > charging at 130V while driving it is done around 110V but it still
> > comes down to at least 500 Wh/mi at a lower speed than I was doing
> > with my S10 that consumed about half that (270Wh/mi when doing
> > constant 55 MPH)
>
> My S-10 pickup conversion (120 volts, 20 six volt GC2 Golf Cart
> batteries) has a "measured at the wall" power usage of between 500
> wh/mi (on 20 mile trips at 25-35 mph with little stop & go driving) up
> to 1100 wh/mi (on short 4 mile trips with lots of stop and go driving
> and all of the charging inefficiencies involved with just toping up
> the lead acid batteries).
>
> Obviously, the actual wh/mi number used for driving is much lower (I
> lose lots of power in the charging stages, especially when just
> topping off the batteries.)
>
> My truck doesn't appear to have dragging brakes (will roll away on a
> very slight incline), and uses a clutchless manual transmission
> (mostly left in 2nd). It has the larger "Trail AVP" (lots of rolling
> resistance) tires that came with it, and I have no plans on replacing
> them until they need it.
>
> I made a new thread to not hijack Cor's thread, and wanted to get a
> general sanity check....do these numbers (for at-the-wall usage) sound
> reasonable for this setup?
>
> Jay
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EVDL List · #2 06-30-2012, 03:05 PM

Sorry to say this, but this is classic front planetary failure. It most
times cascade fails. planetary, sprag, converter, and the resultant metal
pieces goe everywhere.

Pull the pan and dump into a clean dish. look for debris and metal.

Miz

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View this message in context: http://electric-vehicle-discussion-list.413529.n4.nabble.com/Transmission-is-getting-hot-motor-too-and-I-use-too-much-power-tp4655931p4656209.html
Sent from the Electric Vehicle Discussion List mailing list archive at Nabble.com.

_______________________________________________
| Moratorium on drag racing discussion is in effect.
| Please take those discussions elsewhere. Thanks.
|
| REPLYING: address your message to xxx@xxx.xxx.edu only.
| Multiple-address or CCed messages may be rejected.
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EVDL List · #3 06-30-2012, 03:35 PM

Hi Miz,
Are you responding to my Ford Ranger issue or to the S10 issue?

You mean the planetary inside the OD (aka coast clutch) drum?
It is shown 2/3 down this page:
http://www.explorerforum.com/forums/showthread.php?t=98027&page=3

What tells you that this planetary is the problem?
I will drop the pan and check for trouble...

Regards,

Cor van de Water
Chief Scientist
Proxim Wireless Corporation http://www.proxim.com
Email: xxx@xxx.xxx Private: http://www.cvandewater.com
Skype: cor_van_de_water XoIP: +31877841130
Tel: +1 408 383 7626 Tel: +91 (040)23117400 x203

-----Original Message-----
From: xxx@xxx.xxx.edu [mailto:xxx@xxx.xxx.edu] On
Behalf Of mizlplix
Sent: Saturday, June 30, 2012 1:37 PM
To: xxx@xxx.xxx.edu
Subject: Re: [EVDL] S-10 Power Use

Sorry to say this, but this is classic front planetary failure. It most
times cascade fails. planetary, sprag, converter, and the resultant
metal pieces goe everywhere.

Pull the pan and dump into a clean dish. look for debris and metal.

Miz

--
View this message in context:
http://electric-vehicle-discussion-list.413529.n4.nabble.com/Transmissio
n-is-getting-hot-motor-too-and-I-use-too-much-power-tp4655931p4656209.ht
ml
Sent from the Electric Vehicle Discussion List mailing list archive at
Nabble.com.

_______________________________________________
| Moratorium on drag racing discussion is in effect.
| Please take those discussions elsewhere. Thanks.
|
| REPLYING: address your message to xxx@xxx.xxx.edu only.
| Multiple-address or CCed messages may be rejected.
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_______________________________________________
| Moratorium on drag racing discussion is in effect.
| Please take those discussions elsewhere. Thanks.
|
| REPLYING: address your message to xxx@xxx.xxx.edu only.
| Multiple-address or CCed messages may be rejected.
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EVDL List · #4 06-30-2012, 04:15 PM

TEST, computer crashed, lightening spike, and setting up laptop... thks

-----Original Message-----
From: xxx@xxx.xxx.edu [mailto:xxx@xxx.xxx.edu] On Behalf
Of Cor van de Water
Sent: Saturday, June 30, 2012 2:30 PM
To: Electric Vehicle Discussion List
Subject: Re: [EVDL] S-10 Power Use

Hi Miz,
Are you responding to my Ford Ranger issue or to the S10 issue?

You mean the planetary inside the OD (aka coast clutch) drum?
It is shown 2/3 down this page:
http://www.explorerforum.com/forums/showthread.php?t=98027&page=3

What tells you that this planetary is the problem?
I will drop the pan and check for trouble...

Regards,

Cor van de Water
Chief Scientist
Proxim Wireless Corporation http://www.proxim.com
Email: xxx@xxx.xxx Private: http://www.cvandewater.com
Skype: cor_van_de_water XoIP: +31877841130
Tel: +1 408 383 7626 Tel: +91 (040)23117400 x203

-----Original Message-----
From: xxx@xxx.xxx.edu [mailto:xxx@xxx.xxx.edu] On Behalf
Of mizlplix
Sent: Saturday, June 30, 2012 1:37 PM
To: xxx@xxx.xxx.edu
Subject: Re: [EVDL] S-10 Power Use

Sorry to say this, but this is classic front planetary failure. It most
times cascade fails. planetary, sprag, converter, and the resultant metal
pieces goe everywhere.

Pull the pan and dump into a clean dish. look for debris and metal.

Miz

--
View this message in context:
http://electric-vehicle-discussion-list.413529.n4.nabble.com/Transmissio
n-is-getting-hot-motor-too-and-I-use-too-much-power-tp4655931p4656209.ht
ml
Sent from the Electric Vehicle Discussion List mailing list archive at
Nabble.com.

_______________________________________________
| Moratorium on drag racing discussion is in effect.
| Please take those discussions elsewhere. Thanks.
|
| REPLYING: address your message to xxx@xxx.xxx.edu only.
| Multiple-address or CCed messages may be rejected.
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_______________________________________________
| Moratorium on drag racing discussion is in effect.
| Please take those discussions elsewhere. Thanks.
|
| REPLYING: address your message to xxx@xxx.xxx.edu only.
| Multiple-address or CCed messages may be rejected.
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_______________________________________________
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