So, what if you don't put the fin on the roof,
but hang it out the back more like a rudder on a
boat?
Dick J
--- john robinson <john@engr.wisc.edu> wrote:
> Howdy,
> I think the problem that might occur
> is either too much or too
> little input from the fin, too little will do
> nothing, and too much may tip
> the vehicle over...
>
>
> At 10:39 AM 5/25/00 , you wrote:
> >Why stop there? Do like Breedlove & add a fin
> on the roof that moves with the
> >steering input (wheel) and helps to turn the
> car with air pressure.
> >Ed
> >
> >
> >"Hyatt Engineering Ltd." wrote:
> >
> > > OK, how about if I steer with both the
> front and rear wheels, and
> > propel the
> > > car with neither (middle wheel drive, see
> the attachment) !
> > > The rationale is:
> > > Directional stability is maintained by the
> front and rear wheels if the
> > > middle driving wheels are spun or locked up
> > > The wheelbase is lengthened without the
> usual compromise in chassis
> > > stiffness associated with the extreme span
> from front to rear wheels in the
> > > conventional arrangement
> > > The engine (most of the mass) is far
> forward, and the center of aerodynamic
> > > pressure is rearward so it is self
> correcting and inherently stable at
> > speed
> > > The drivers tank is at "zero energy state",
> with the engine, fuel, battery
> > > and other sources of potential energy in
> the other tank
> > > The loading of the steering wheels
> (relative to the driving wheels) is to a
> > > considerable extent adjustable by jacking
> them without moving the center of
> > > gravity
> > > I call the steering "telemark" style, in
> that the curve is carved by front
> > > and rear wheels turning in opposite
> directions, just like you do when
> > > downhill skiing on cross country skis (the
> telemark (sp?) technique)
> > > Of course we will never know if it works,
> if it remains illegal.
> > >
> > > Greg
> > > PS John, I was planning on doing this with
> the tanks I bought from you last
> > > year, which turned out to be from the F-84F
> (the USAF museum is just down
> > > the road from me, the ultimate resource for
> such info)
>
>
> John Robinson, Mechanician
> Mechanical Engineering University of
> Wisconsin
> 1513 University Ave.
> Madison, Wi. 53706
> 608-262-3606
> FAX 608-265-2316
> Current World Land Speed Record Holder
> Bonneville Salt Flats
> H/GCC 92 cu.in. 1980 Dodge Colt
> 131.333 MPH set 1995
> 136.666 MPH set 1996
>
>
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