Re: Series/Parallel Shifting (was White Zombie)

["Richard Furniss" <rfurniss@earthlink.net>]

>
> Richard Furniss wrote:
>
> >   I'm a big advocate of automatic trans that's what I have in my EX-7
it's
> >a Chrysler 904 trans, used by Mopar drag racers, there's no reason you
can't
> >make an automatic do what you want when you want, It's light weight,
> >aluminum housing, short in length, it has a little more internal rotating
> >mass but no flywheel and clutch so its about equal (big guess) three
forward
> >gears, reverse, neutral and a park paw which is my favorite cus the car
> >don't roll down the driveway anymore. With a little more work I will have
my
> >automatic trained to be in the right gear for all driving conditions with
no
> >input from me.
>
Rich Brown wrote,

> That sounds really good.  Do use a torque converter or some other kind of
> pump?  How do you plan to "train" it to be in the right gear?  Enquiring
> minds...you know...


 I eliminated the torque converter, front pump, and stator shaft support. I
kept the pump housing and welded two brass fittings to the pump housing to
connect an external pump that I got from Grangers and used a small DC motor
to run the pump, I connected the pump circuit through a relay to the brake
lamp switch so when I'm stopped at a traffic light the pump isn't running.

    As for the training, I have a late model valve body for the trans that
use's a PWM solenoid to control the governor pressure which controls which
gear your in, using road speed and motor speed as inputs, and/or other
inputs, throttle position, pack voltage, amp draw, rabbit-turtle switch on
the dash. I'm hoping this will make it forget that an ICE is suppose to be
pushing it around. But this project is on hold tell summer, it needs to be
in the 90's before it's warm enough to work out in the garage :)

> There is a big difference between 336V and 144V.  I don't know of anyone
else
> in the SC/A class for John to race against.  He is in competition with the
> clock.  His goal is to be in the high 12s at over 100 mph.  My goal for
the
> D'7 is to run 15.3XX or at least set a new record for SC/E class at Las
Vegas.

> Rich Brown
> San Jose, CA (temporarily)
> Dualin'7
>
> ps. Richard, my brother-in-law and his family live in Las Vegas. It is
just
> too hot and crowded there too. It would be nice to have your power
situation
> though.
>
www.lasvegasev.com
Richard Furniss
Las Vegas