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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