[Land-speed] HP/DRAG/Traction...

Adin, David DavidAdin at mercydurango.org
Tue Sep 4 09:10:47 MDT 2007


10% seems huge!  (obviously) This means 20 mph on a 220 run?

My guess is this varies w/ salt conditions.  Anyone know if the slip %
changes  w/ speed?  How would we know what causes the slip? Aero drag,
too much hp (always  funny, eh?)

David, a curious big dummy

-----Original Message-----
From: land-speed-bounces+davidadin=mercydurango.org at autox.team.net
[mailto:land-speed-bounces+davidadin=mercydurango.org at autox.team.net] On
Behalf Of Bryan Savage
Sent: Tuesday, September 04, 2007 9:02 AM
To: Rick Byrnes
Cc: land-speed at autox.team.net
Subject: Re: [Land-speed] HP/DRAG/Traction...

Anything under 10% made me happy. We were at 6% at WOS once.
Our normal was 8-10%

Bryan



Rick Byrnes wrote:
> The electric Fusion had more than 6% tire spin when it went 186 in the

> quarter.  Somewhere around 8% went 176 in the quarter, but 204 in the
5th
> with 207 exit.  This thing had lots of power.  The fuel cell stack
made more
> power after being humidified after each pass.  (the 186 run was a turn
out
> after the quarter because the computer system shut it down because of
> Overpower.  It made more power than they expected.
>
> The car hooked a little in the 3 but basically spun the tires thru
most of
> the 5 miles.  I see some things from the photos that show me some
chassis
> changes that might help plant the rear tires.  I would love to come
back
> with this car.  Some minor refinements and revisions.....who knows....
_______________________________________________
davidadin at mercydurango.org

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