DIY Electric Car Forums > External Information > EVDL List

EVDL List · #1 06-08-2009, 08:45 AM

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EVDL List · #2 06-08-2009, 09:06 AM

Hello Wayne,

I would have like to use a manual transmission, but I would have to clutch
with my right leg instead of my bum left leg. Also with the overall gear
ratio over 19:1 and very slow city driving, I have never was able to down
shift it to 1st gear without stopping.

There no way I can take off in 2nd gear, or the motor ampere will go way
over 600 amps. Can keep it at 300 amps and below using 1st gear during take
off and than quickly shift it to 2nd gear. I then leave it in 2nd gear for
all my town driving.

Sometimes I can carry up to 1600 lbs of cargo that sets on the extreme heavy
duty box platform and suspension system.

Roland

----- Original Message -----
From: "Electric Blue auto convertions" <xxx@xxx.xxx>
To: "ev" <xxx@xxx.xxx.edu>
Sent: Monday, June 08, 2009 7:36 AM
Subject: [EVDL] auto trans

>
>
>
> You can use a hamster roll chage to turn the rear wheels if you want..A TH
> 400 is a heavy lump to begin with, a T-5 ,5 speed is only 45 lbs, no fly
> wheel, no clutch, and it dosnt grind if you keep the RPMs up high, or
> leave it in 2nd for town driveing or 3 rd. No charge pumps, no cooling
> rad. no fluid lines, Rememer,,,Complexity is the mother of all screw ups .
>
> I use a stick shift cuz, the conversion is fast and out the door in 2
> weeks . and not expencive.. BUT if this is for your own use then any one
> can do what ever they want. If it can work for you thats all the better.
>
>
>
> Wayne ev-blue.com
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EVDL List · #3 05-18-2010, 09:56 AM

After long testing at speeds to 75 MPH I think this automatic trans set up is ready, Up shifting and down shifting is like it was the ICE motor driving the car. everything went smooth, quiet , just like it is meant to be .
I used a 144 volt pack, a warp 9 motor with a Curtis 1231@ 1000 amps, (from EV America) that Bob let me test , that worked out well also. amp draw at idel was about 20 amps. idle speed of the warp 9 was about 350 RPM . for charge pressure at front pump
It actually had more pick up that the 6 cylinder engine it had from new, a 76 Nova 2 dr .I will be selling this as a package from my shop, uses the rebuilt trans, flex plate, torque converter, adaptor plate and coulper and a PB-6 type of speed pot. this is so you can adj the curb idle and have the motor spinning up at key on . If you want to know more about this let me know..

Wayne ev-blue.com
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EVDL List · #4 06-11-2010, 08:15 AM

We are going to develop an automatic trans for FWD vehicles, we have the drawings made. found the correct trans to use. Its a simple thing to mate the motor mounts to any FWD car, Since there are only 4 designs of the stub shafts for the front axles that go into any FWD trans that wont be a problem either We will let you all know of our progress as we go.

ev-blue
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EVDL List · #5 06-11-2010, 09:06 AM

That will be a big help to more widespread EV adoption!

On Fri, Jun 11, 2010 at 10:01 AM, Electric Blue auto convertions
[quote]<xxx@xxx.xxx> wrote:
> We are going to develop an automatic trans for FWD vehicles, we have the drawings made. found the correct trans to use. Its a simple thing to mate the motor mounts to any FWD car, Since there are only 4 designs of the stub shafts for the front axles that go into any FWD trans that wont be a problem either We will let you all know of our progress as we go.
>
> ev-blue
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EVDL List · #6 06-11-2010, 09:35 AM

According to the people at Soliton (TransAtlanticElectricConvesions.com will
be distributing these controllers shortly) they have a setting on their
controller that allows for an idling speed so that DC motors can be made to
perform with automatic transmissions.

For more information please see their website at http://www.evnetics.com/ or
call me at the numbers listed below:

It also has built in contactors which simplify the wiring setup and the
potbox is also heavy duty. Don't need a "hairball" for this one. There is
no question that this controller is state of the art!!!

Sincerely;

Douglas A. Stansfield
President
www.TransAtlanticElectricConversions.com
973-875-6276 (office)
973-670-9208 (cell)
973-440-1619 (fax)

ELECTRIC CAR PRODUCERS

-----Original Message-----
From: xxx@xxx.xxx.edu [mailto:xxx@xxx.xxx.edu] On Behalf
Of joe bonaparte
Sent: Friday, June 11, 2010 10:59 AM
To: Electric Vehicle Discussion List
Subject: Re: [EVDL] auto trans

That will be a big help to more widespread EV adoption!

On Fri, Jun 11, 2010 at 10:01 AM, Electric Blue auto convertions
[quote]<xxx@xxx.xxx> wrote:
> We are going to develop an automatic trans for FWD vehicles, we have the
drawings made. found the correct trans to use. Its a simple thing to mate
the motor mounts to any FWD car, Since there are only 4 designs of the stub
shafts for the front axles that go into any FWD trans that wont be a problem
either We will let you all know of our progress as we go.
>
> ev-blue
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>

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EVDL List · #7 06-11-2010, 10:35 AM

Very interested, my wife has a 2000 chevy caviler and I was thinking about
keeping it to convert once she gets something new, bolt on options for autos
would be excellent.
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EVDL List · #8 06-11-2010, 11:25 AM

I found with my TH-400 automatic without a torque converter, that I do not
have to idle the motor and turn on a external oil transmission pump to
pre-pressure the transmission oil to about 50 psi to start moving in a
reverse gear ratio of 22.28:1 at 275 motor rpm. The 1st gear forward ratio
is 15.3175:1 requires about 400 rpm.

This TH-400 has a manual valve body and the governor and kick-down control
has been remove. Very heavy duty clutch pack is use as well as a high
performance oil pump unit. This transmission now has to be shifted like a
manual. All my normal city driving is now down in the 1st gear ratio of
15.3175:1 up to 35 mph. I had to shift my manual transmission at 25 mph
which reduce the overall ratio to 13.925:1.

In a normal transmission gearing set up which is in my ICE, the overall gear
ratio is 2.76 axle ratio x 2.75 is 7.59:1 and the torque converter adds
another 1.8 which is 1.8 x 7.59 = 13.66:1 requires about 400 engine rpm to
start moving.

A standard street type auto may have a low lockup rpm that is about 10 to 20
percent over the idle rpm. If you do not do any modification to the gear
set, then it is best to keep the automatic as is with the torque converter.

If you race a EV with a automatic without a torque converter, then the
transmission oil is pre-pressurize to full pressure of 300 PSI or greater.
You cannot keep this pressure on for long which is just enough time to make
your accelerating run, otherwise you will blow the transmission seals.

My TH-400 automatic is a old school type which has no electronic controls,
but has a vacuum control modulator which controls a valve that increases the
oil pressure while the vacuum signal is low while a engine is under load and
accelerating.

In a diesel engine or a EV, a accelerator control modulator is use where as
the accelerator linkage is moving, the vacuum is bleed out of the vacuum
line, which increases the transmission oil pressure. When the accelerator
linkage is held constant, the vacuum signal becomes high which reduces the
oil pressure.

In drag racing, a electric vacuum valve is use which is control by a dash
switch which is use to applied full transmission oil pressure during the run
and then shut it off after the run.

You can also replace the transmission modulator control with a electric
control unit that is control by a potentiometer on the accelerator linkage.

This setup is on my GE-11 which I am going to pull out for maintenance and
install on my WarP-11 motor which I am still waiting for a new coupler to be
built.

Roland

----- Original Message -----
From: "Douglas A. Stansfield" <xxx@xxx.xxx>
To: "'Electric Vehicle Discussion List'" <xxx@xxx.xxx.edu>
Cc: <xxx@xxx.xxx>
Sent: Friday, June 11, 2010 8:19 AM
Subject: Re: [EVDL] auto trans

> According to the people at Soliton (TransAtlanticElectricConvesions.com
> will
> be distributing these controllers shortly) they have a setting on their
> controller that allows for an idling speed so that DC motors can be made
> to
> perform with automatic transmissions.
>
> For more information please see their website at http://www.evnetics.com/
> or
> call me at the numbers listed below:
>
> It also has built in contactors which simplify the wiring setup and the
> potbox is also heavy duty. Don't need a "hairball" for this one. There is
> no question that this controller is state of the art!!!
>
> Sincerely;
>
> Douglas A. Stansfield
> President
> www.TransAtlanticElectricConversions.com
> 973-875-6276 (office)
> 973-670-9208 (cell)
> 973-440-1619 (fax)
>
> ELECTRIC CAR PRODUCERS
>
>
>
>
> -----Original Message-----
> From: xxx@xxx.xxx.edu [mailto:xxx@xxx.xxx.edu] On
> Behalf
> Of joe bonaparte
> Sent: Friday, June 11, 2010 10:59 AM
> To: Electric Vehicle Discussion List
> Subject: Re: [EVDL] auto trans
>
> That will be a big help to more widespread EV adoption!
>
> On Fri, Jun 11, 2010 at 10:01 AM, Electric Blue auto convertions
[quote]> <xxx@xxx.xxx> wrote:
> > We are going to develop an automatic trans for FWD vehicles, we have the
> drawings made. found the correct trans to use. Its a simple thing to mate
> the motor mounts to any FWD car, Since there are only 4 designs of the
> stub
> shafts for the front axles that go into any FWD trans that wont be a
> problem
> either We will let you all know of our progress as we go.
> >
> > ev-blue
> > -------------- next part --------------
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> >
>
> _______________________________________________
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>
> _______________________________________________
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>

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EVDL List · #9 06-11-2010, 04:55 PM

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EVDL List · #10 06-11-2010, 11:15 PM

I suggest considering the continuously variable transmission technology,
like the 2010 Subaru's. Man is it smooth. =

Esko

-----Original Message-----
From: xxx@xxx.xxx.edu [mailto:xxx@xxx.xxx.edu] On Behalf
Of Electric Blue auto convertions
Sent: Friday, June 11, 2010 3:50 PM
To: ev
Subject: [EVDL] auto trans

Our automatic trans will be just like a regular auto trans in any car, It
will UP shift andDOWN shift like its suppose to, It will have a torque
converter, static curb idle to charge the system, NO OUT SIDE pump. NO weird
set up, just a simple trans that works . Complexity is the mother of all
screw ups . =

This unit , like the RWD auto trans we developed will be sold as a packa=
ge
Motor/trans all bolted together ready to drop in =

ev-blue
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