I did the oil dripping part on our M 20 Mclaren Can Am car in 1973. I
worked great. Worked on the Formula 5000 wing also.
----- Original Message -----
From: <Group44TR7@aol.com>
To: <N197TR4@cs.com>
Cc: <fot@autox.team.net>
Sent: Friday, October 24, 2008 5:07 AM
Subject: Re: [Fot] F-1 (Crankcase Oil Use Unveiled)
> In a message dated 10/23/2008 10:26:38 A.M. Pacific Daylight Time,
> N197TR4@cs.com writes:
>
> Joe
>
> I think you overlooked a very important point in the previous
> email
> below about the use of crankcase oils.
>
> Clearly, the Triumph engineers intended our cars to leak crankcase
> oil so that we could study the under carriages aerodynamics. I wonder
> what
> other revelations we will be able to find out in the future?
>
> Cary
>
>
> Just a comment......
>
> In the late 50s, Jim Bede, used tiny perforations in the flying surfaces
> in
> order to control laminar flow. Not very cost effective at the time, but
> with
> modern manufacturing methods, it might be more feasible. Maybe it wasnt
> even
> functionally effective, but an interesting idea.
>
> F-1 and others have may have pursued this, but I wonder about that, too.
>
> Jim Bede was the originator the BD-5 & BD 5J microjet used in the Bond
> Movies and one was also owned and flown by Richard Bach....(Jonathon
> Livingston
> Seagull).
>
>> FYI - Response from a retired Aeronautical Engineer friend of mine
>> that
> I
>> shared your interesting, the state of F1, conversation. Thought you
>> might
>> appreciate his words on the subject.
>> Bob Johns
>>
>> ----- Original Message -----
>> From: Gregory Foster
>> To: Robert Johns
>> Sent: Thursday, October 23, 2008 11:18 AM
>> Subject: Re: Fw: Fot Digest, Vol 23, Issue 44
>>
>>
>> Aero and hydro dynamics are always interesting subjects which I
>> could
>> talk at length on because I spent the last 15 years of my career dealing
> with
>> them when we were building high speed underwater vehicles. Also since
>> my
>> hobby is flying sailplanes, it is a constant topic of conversation along
> with
>> "secret" airfoils and "secret" wing finishes to either eliminate or at
> least
>> carefully control transitions from laminar to turbulent flow. Most of it
> is
>> BS
>> but some is not. A recent development suggests there may be a new one
> coming
>> along. see http://www.standardcirrus.org/ A technique used in gliders
>> is
> to
>> smear used crankcase oil that is good and black along a 2 foot section
>> of
> a
>> wing and then go fly the plane and see how the oil streaked off the
>> wing.
>> The
>> location ( cordwise) of any transition to turbulent airflow is very
> visible
>> in the remaining oil smears. Then we know where to place strips of
>> "deturbulator" tapes.
>>
>> I have been through several classes on turbulence including the
>> Mendelbrot techniques discussed in the Fot. He is a math genius and his
>> theories of "Chaos", when applied to turbulence result in very strange
>> phenomenal (in theory). As a personal hobby project I tried very hard
>> to
>> apply some of his theory to stock market analysis (if that isn't chaos,
> what
>> is?) and it will take someone smarter than I am to produce something
> useful.
>> I could show that his theory applies to the market but I wanted a form
>> of
>> predictor and failed to get such a result. It is called "looking for a
>> "strange" attractor". The word strange has a definite, specific meaning
>> in
>> his theory.
>>
>> Greg
> Fot mailing list
> Fot@autox.team.net
> http://autox.team.net/mailman/listinfo/fot
>
>
>
>
> **************A Good Credit Score is 700 or Above. See yours in just 2
> easy
> steps!
>
>(http://pr.atwola.com/promoclk/100000075x1211625659x1200715650/aol?redir=http://www.freecreditreport.com/pm/default.aspx?sc=668072&hmpgID=82&bcd=emailf
> ooter)
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
>
> http://www.fot-racing.com
>
> Fot mailing list
> Fot@autox.team.net
> http://autox.team.net/mailman/listinfo/fot
_______________________________________________
Support Team.Net http://www.team.net/donate.html
http://www.fot-racing.com
Fot mailing list
Fot@autox.team.net
http://autox.team.net/mailman/listinfo/fot
|