Dave:
Fred runs a two speed. If I follow your arguments correctly he would go
faster if he ran a four speed?
Jim
----- 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 1:58 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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