land-speed
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Re: Traction Control

To: DrMayf <drmayf@teknett.com>
Subject: Re: Traction Control
From: Dave Dahlgren <ddahlgren@snet.net>
Date: Wed, 26 Jun 2002 05:46:31 -0400
If I were going to do anything like this not that i would LOL.. :>) You might do
it a couple of different ways. First is easiest. Put a 3 axis accelerometer
along with a micro processor in the box that hooks to the msd. Read rpm, g's and
calculate rate of rpm rise. From there you can have the track mapped in memory
for limits on rpm rate of rise vs g's lateral and longitudinal. The second
tougher way but not much tougher would be to have wheel speed sensors in some
innocuous place like the brake caliper with a wireless network broadcasting data
to the box and add that data to the equation. you limit slip with the rev
limiter or by controlling ignition timing. I still like the cell phone
interface, thinking way outside the box. Reminds me of the garage door opener to
run the nitrous hidden in the frame rail :>)...
Dave

DrMayf wrote:
> 
> All right, I'll bite. I see absolutely no way that something plugged into
> the MSD ignition box could help or control traction. The ignition box
> control the spark. So how does that affect grip on the track? I see no way
> that it can connect to the braking system as in some newer cars. I cannot
> see how it could split torque to any driven or undriven wheels.
> The only thing I can see is that it might be like a G-tech which gives
> lateral g's and provides this to the driver. That way he could always drive
> the car as fast as the limit of traction would allow. But the driver is
> still in control in this case. Still I can see how it could be an edge in
> that kind of racing (circle track). Is this what is going on?
> 
> mayf the really really dumb and ignorant desert rat in pahrump...

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