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Re: Bonneville Transmissions

To: John Beckett <landspeedracer@email.msn.com>
Subject: Re: Bonneville Transmissions
From: dahlgren <dahlgren@uconect.net>
Date: Tue, 29 Aug 2000 15:46:06 -0400
The real question is..
'What's it gonna take to get Fred into a streamliner today ?'
At the rate this thing picks up speed you would think that another 120
MPH in a streamliner is not that far away... I wonder how much he has
thought about that to be honest. If it were me I would have to know!
Dave Dahlgren

John Beckett wrote:
> 
> 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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