Actually I can gear my car to reach top RPM in three miles, but its not the
cars top speed.
----- Original Message -----
From: "Marge and/or Dave Thomssen" <mdthom@radiks.net>
To: "Land-speed Racers" <land-speed@autox.team.net>
Sent: Tuesday, August 29, 2000 8:29 PM
Subject: Fw: Bonneville Transmissions
> Dave Dahlgren
> A very confused engineer
>
> Clearly the very high speed cars need a gearbox to approximate their top
> speed by mile 4. They are geared so high they would be very much below
> their power band on launch. However, there must be a lot of cars,
depending
> on wind resistance, horsepower, and weight, that reach nearly top speed by
> mile 4 with or without a gearbox. This was not an exercise in theories, I
> was asking the group for their experience in this area as a matter of
> interest. Any more experiences?
>
> Dave the Hayseed
>
> ----- Original Message -----
> From: dahlgren <dahlgren@uconect.net>
> To: The Butters Family <bbutters@dmi.net>
> Cc: Marge and/or Dave Thomssen <mdthom@radiks.net>; Land-speed Racers
> <land-speed@autox.team.net>
> Sent: Monday, August 28, 2000 3:22 PM
> Subject: Re: Bonneville Transmissions
>
>
> 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
>
>
> The Butters Family wrote:
> >
> > This has been my experience with every car I've ever
messed
> > with, the speed it was able to generate in a given distance hadnothing
to
> > do with the number of gears you shifted it threw, just the power it had
> > available to do the job. Kvach----- Original Message -----
> > From: Marge and/or Dave Thomssen <mdthom@radiks.net>
> > To: Land-speed Racers <land-speed@autox.team.net>
> > Sent: Sunday, August 27, 2000 7:35 PM
> > Subject: Bonneville Transmissions
> >
> > > Well, gang our experience might be interesting. In 1979 we ran the
> > Original
> > > Goldenrod streamliner (the one from Denver) with my flathead (unblown
on
> > > gas) and a T-10 4 speed. It ran 179 MPH in the last mile and we
thought
> > the
> > > gear spread was just right for the motor until something malfunctioned
> in
> > > the transmission and it locked in high gear. We pushed it off as fast
> as
> > we
> > > could (60Mph) and it chugged off barely able to pull away from the
push
> > > truck. The quarter time and the 2 and the 3 mile were slow, but it ran
> > > 179MPH in the last mile anyway. Anyone have similar experience that
> might
> > > suggest that a long course car doesn't need a transmission at all?
> > >
> > > Dave the Hayseed
> > >
> > >
> > >
> > >
>
>
>
>
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