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Re: Bonneville Transmissions

To: <saltracer@awwwsome.com>
Subject: Re: Bonneville Transmissions
From: "John Beckett" <landspeedracer@email.msn.com>
Date: Tue, 29 Aug 2000 13:20:43 -0400
What if this thing had a streamliner body?

----- Original Message -----
From: "Thomas E. Bryant" <saltracer@awwwsome.com>
To: "John Beckett" <landspeedracer@email.msn.com>
Cc: "dahlgren" <dahlgren@uconect.net>; "Jim Dincau" <jdincau@qnet.com>;
"Land-speed Racers" <land-speed@autox.team.net>
Sent: Tuesday, August 29, 2000 10:05 AM
Subject: Re: Bonneville Transmissions


> A 308 1/4 before the blow up at Bonneville. I believe Fred said 1200
> lbs. down force from the wing.
> Tom
>
> John Beckett wrote:
> >
> > I think Fred Dannenfeltzer runs a 2-speed, possibly 3-speed,  lenco.
Uses a
> > ton of ballast and a hellatious wing for down force.
> >
> > JB
> >
> > ----- Original Message -----
> > From: "dahlgren" <dahlgren@uconect.net>
> > To: "Jim Dincau" <jdincau@qnet.com>
> > Cc: "The Butters Family" <bbutters@dmi.net>; "Marge and/or Dave
Thomssen"
> > <mdthom@radiks.net>; "Land-speed Racers" <land-speed@autox.team.net>
> > Sent: Tuesday, August 29, 2000 4:58 AM
> > Subject: Re: Bonneville Transmissions
> >
> > > Then explain to me and Fred please pardon my spelling if I miss on
your
> > > last name.. Fred Danzenfelter's car i have seen him go over 300 at the
> > > quarter... drove off a couple of years ago car was real hooked and had
a
> > > trans of some sort I thought then at least sure thought i heard a gear
> > > change and there sure is nothing that is power limited in that car.
Gets
> > > the job done the way it ought to be. I personally hope I can get a car
> > > that has that much power down the track as well as he does someday!!
> > >
> > > Jim Dincau wrote:
> > > >
> > > > Dave,
> > > > Think about this, some cars are horsepower limited at Bonneville,
some
> > are
> > > > traction limited. It doesnt allways follow that the "right" trans
> > gearing
> > > > will get you more acceleration, sometimes it just gets you more
> > wheelspin.
> > > > At Bonneville the desireability of a multi speed gear box SEEMS to
be
> > > > inversely proportional to the amount of torque available. With a
high
> > > > horsepower car you end up
> > > > Jim in Palmdale, where it just rained 8 drops.
> > > >
> > > > ----- Original Message -----
> > > > From: dahlgren <dahlgren@uconect.net>
> > > >
> > > > > So if I understand this right then... If I put my pro stock car in
4th
> > > > > and leave the starting line that that at the end of the quarter
mile
> > the
> > > > > car will go the same speed as if i used all the gears??  When you
lose
> > 5
> > > > > mph at the quarter does your car go the same speed at the 5 as if
you
> > > > > were not 5 mph down?? Why do all the 'big' streamliners keep
wanting a
> > > > > longer course ??? How fast does your car or cars you have messed
with
> > go
> > > > > ??? I am sure that if I start in any gear that my Pontiac i drive
on
> > the
> > > > > street will go exactly the same speed at the 5 no matter what gear
I
> > > > > start in.. but going 125 is not much of a challenge either. How do
> > > > > explain away the change of shift points in Keith Turks car making
203
> > at
> > > > > the 3 instead of 197 at the 5???? Doesn't having the correct
gearing
> > and
> > > > > going as fast as soon as possible make the course appear to be
longer
> > > > > because you are going faster sooner and have more distance left to
get
> > > > > the last MPH out of the car??
> > > > >
> > > > > to quote "We got a 225 record with 183cid 3rd gear only???
Nebulous"
> > > > >
> > > > > Is this the theory you are using?? Do you think the 225 might of
been
> > a
> > > > > 245 with all gears working??
> > > > >
> > > > > well we got a 216 record 219 qualifying with a 91cid gas lakester
and
> > > > > went 213 at the 1/4... used all 5 gears.. which one is more
efficient
> > > > > ??? and that was on the first pass.... Do you think if we left in
high
> > > > > gear that the car would of gone 219 at the 5 on 91 inches ???
What's
> > the
> > > > > physics behind your theory??
> > > > >
> > > > > Oh yeah and the e-mail you quote.. what's that thing doing on the
long
> > > > > course at 179 if you should be going over 175 at the quarter in
the
> > > > > first place???
> > > > >
> > > > > Hate to make this sound like a flame but I really can't figure out
the
> > > > > logic behind it all.. Help me be smarter and tell me how this is
all
> > > > > supposed to make sense..
> > > > > A very confused engineer..
> > > > > Dave Dahlgren
> > > > >
> > > > >




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