Don't think there are any sub-sonic tunnels that run much over 150 MPH. So I
would assume a 90 MPH tunnel would still give pertinent and usefull data.
JB
----- Original Message -----
From: "Rick Hammond" <r.hammond@sympatico.ca>
To: "Henry Deaton" <hdeaton@earthlink.net>
Cc: <land-speed@autox.team.net>
Sent: Saturday, March 16, 2002 10:26 PM
Subject: Re: Wind Tunnel Testing in the Bay Area
> Hi Henry,
> I'll let others go on the drag question, but I have one myself;
> I've seen mention of wind tunnels going up to 90mph etc. Would it be
valid to
> extrapolate for the higher speeds or do the things that help at 60 not
help the
> same way at 160?
> I realize the relationships wouldn't be linear but there should be a
formula.
> Cheers,
> Rick
>
> Henry Deaton wrote:
>
> > It just so happens that we have a small wind tunnel where I work, Davis
> > Instruments. It's mainly used to calibrate our anemometers and for new
> > product r&d. I think the area where you do the testing is about 18" wide
&
> > high, and maybe 2 to 3 feet long. Besides being small, I think it only
goes
> > up to 90 mph or so. I could probably make arrangements to use it if
anyone
> > in the area was interested. It'd be a nights or weekends only kind of
deal.
> > I don't have any immediate needs to do wind tunnel testing, but I'd be
> > interested in working together with someone local that does.
> >
> > The big problem for me is figuring something out to measure drag since
> > that's not what Davis uses the wind tunnel for. Any ideas?
> >
> > Henry Deaton
> > SF, CA
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