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Re: Spoiler/Wing, Dynamic/Active aids.

To: Wester S Potter <wspotter@jps.net>
Subject: Re: Spoiler/Wing, Dynamic/Active aids.
From: Joe Amo <jkamo@rapidnet.com>
Date: Wed, 08 Mar 2000 08:34:16 -0700
Wes, how in the heck do they walk the tracks for the entire distance and still
make the 1 hr back up run?   Joe :) :)

Wester S Potter wrote:

> List,
> The last times jet powered cars ran on the salt for "International"
> certification the officials walked the tracks of the cars making sure they
> could be traced for the entire distance of the timing traps  ... meaning the
> vehicle had not gone airborne at any point.
> Wes
> ----------
> > From: Higginbotham Land Speed Racing <saltrat@pro-blend.com>
> > To: "Mike Jenkins"
> <MikeJ@speedrecordclub.softnet.co.uk>,<land-speed@autox.team.net>
> > Subject: Re: Spoiler/Wing, Dynamic/Active aids.
> > Date: Tue, 07 Mar 2000 15:56:18 -0800
> >
> >Hi Mike,
> >Altitude of 0 would mean that tire or wheel tracks would be evidenced on
> >the "land"....correct? If the "land" were soft enough?
> >Skip Higginbotham
> >
> >
> >At 12:50 PM 3/7/00 , you wrote:
> >>Don,
> >>
> >>A 'Land Vehicle'  (or a 'Water Vehicle') becomes an 'Air Vehicle' when it
> no
> >>longer needs to take a bearing on the ground to support it. For example
> >>although a hovercraft doesn't touch the ground when it is working, if you
> >>try to take it to an altitude where it can no longer create the high
> >>pressure region below it then it will fall back to a level where it can. A
> >>car/bike is the same, the difference being that as it's bearing on the
> >>ground is mechanical the altitude is zero.
> >>
> >>I think I understand what I'm trying to say! Honest!
> >>
> >>Mike J
> >>----- Original Message -----
> >>From: Don Kerr <dkveuro@pop.flash.net>
> >>To: Mike Jenkins <MikeJ@speedrecordclub.softnet.co.uk>
> >>Cc: <land-speed@autox.team.net>
> >>Sent: Tuesday, March 07, 2000 8:48 PM
> >>Subject: Re: Spoiler/Wing, Dynamic/Active aids.
> >>
> >>
> >>> So, Mike, where does a car/bike become a plane? See my last post.
> >>> ...........DK
> >>>     (Scrap-Iron Racin')
> >>> -----------------------------------------------------------------
> >>> Mike Jenkins wrote:
> >>> >
> >>> > Don,
> >>> >
> >>> > SSC is legal because what the active system does is to optimise the
> >>attitude
> >>> > of the whole vehicle to the ground, not just a wing.
> >>> >  The FIA actually have a class for Ground Effect Vehicles which are
> >>defined
> >>> > as 'Vehicles which take a bearing on the ground by the means of a
> >>> > pressurised air cushion, magnetised levitation or similar means'. I
> >>guess
> >>> > this class is for hovercraft or possibly 'Wing in Ground Effect'
> >>vehicles
> >>> > like the Russian 'Ekranoplans'.
> >>> >
> >>> > Mike Jenkins
> >>> >
> >>> > ----- Original Message -----
> >>> > From: Don Kerr <dkveuro@pop.flash.net>
> >>> > To: Mike Jenkins <MikeJ@speedrecordclub.softnet.co.uk>;
> >>> > <land-speed@autox.team.net>
> >>> > Sent: Tuesday, March 07, 2000 8:30 PM
> >>> > Subject: Re: Spoiler/Wing, Dynamic/Active aids.
> >>> >
> >>> > > Mike.....et al.......
> >>> > >         This raises lots of questions, does Thrust SST use of active
> >>> > > equipment mean it is allowable in speed events?
> >>> > > .After all, if a LSR is to remain an LSR would it be so if the
> vehicle
> >>> > > was off the ground going through the lights and does it have to
> touch
> >>> > > the ground ALL the way during the measured mile, so what's the
> >>> > > separation of LSR from ASR ??..........DK.......Well?
> >>> > >     (Scrap-Iron Racin')
> >>> >
> >>>
> --------------------------------------------------------------------------
> >>> > -------------
> >>> > >
> >>> > >    Mike Jenkins wrote:
> >>> > > >
> >>> > > > Don,
> >>> > >  Thrust SSC used an active system on the rear wheels only to keep
> the
> >>> > > car at an attitude
> >>> > > > where it wouldn't fly.
> >>> > > >
> >>> > > > Mike Jenkins
> >>> > > > ----- Original Message -----
> >>> > > > From: Don Kerr <dkveuro@pop.flash.net>
> >>> > > > To: <land-speed@autox.team.net>
> >>> > > > Sent: Tuesday, March 07, 2000 12:39 AM
> >>> > > > Subject: Re: Spoiler/Wing
> >>> > > >
> >>> > > > > ...Hallo people, hope you are all doin' OK.
> >>> > > > >      Just been watchin' video of old land and water speed
> >>attempts,
> >>> > lots
> >>> > > > > of spills!!!.....Question....Is it allowable to use a dynamic
> wing
> >>or
> >>> > > > > stabilizer on a vehicle of any type or a particular type to try
> >>for a
> >>> > > > > record in any category ? The reason I ask is because the
> >>instability
> >>> > > > > observed during most runs especially on water craft .When I was
> >>nuts
> >>> > > > > enough to run high speed on motorcycles,(200+ mph) the speed
> >>wobble on
> >>> > > > > some bikes was so powerful even a knee(s) against the bars
> >>wouldn't
> >>> > hold
> >>> > > > > it. Dampers only increased the frequency, in the order of from 4
> >>to 10
> >>> > > > > cycles per second.
> >>> > > > >      What I had in mind was a computer controlled wing somewhat
> >>like
> >>> > the
> >>> > > > > system used in fighter aircraft,
> >>> > > > > to allow the pilot to fly an otherwise inherently unstable
> >>> > > > > aeroplanes.Does anyone foresee a potential problem here? Power
> to
> >>> > > > > operate the ram(s) from a small hydraulic pump, accumulator,
> kinda
> >>> > like
> >>> > > > > the  Lotus F1 car suspension. Obviously some parasitic power
> loss
> >>or
> >>> > > > > weight penalty, but nothing comes free.
> >>> > > > > Your thoughts?....................DK
> >>> > >
> >>> > >        (Scrap-Iron Racin' )
> >>> > > > >
> >>> > >
> >>>
> >




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