land-speed
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Re: YARN

To: Land-speed@autox.team.net
Subject: Re: YARN
From: Chuck Rothfuss <crothfuss@coastalnet.com>
Date: Mon, 12 Jul 1999 13:18:40 -0400
At 06:17 AM 7/12/99 -0700, Dick J. wrote:
>
>*SNIP*  Your big challenge
>there is going to be to get somebody close enough
>to the track to video tape it for you - or to
>find big enough of a telephoto lense to tape it.**END**

  My big question now is how much different is the air flow gonna be at 180
MPH, compared to say 65 MPH?  Sure, there's a lot more of it, but if you go
fast enough to make the yarn or mylar tape move into the air flow wouldn't
that be fast enough?  Keith?  

  Getting it down to a reasonable speed like that would allow a second
vehicle to be safely driven along side.  With a few passes of the sweeper at
Maxton you could get Lionel to pace you in the van, with Banjo running the
video camera.  

  As Dick mentioned, the yarn method seems to have an advantage over
liquids, since it'll show where air is rising as it crosses the cars surface.

Chuck 



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