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Jakx · Jun 6th, 2001, 09:51 AM

Quote:

On 04-06-2001 12:32 BruceK wrote:
[...]

I think he meant NACA not NASA. It has to do with which government agency developed them way back when (the 50's I think).

For added interest.

NACA effectively became NASA in 1958 as a direct result of the blow to US confidence by the USSR`s successful Sputnik mission.

The NACA (National Advisory Committee for Aeronautics) duct is explained in "submerged-duct entrances" (how very well described!) dated November 1945 at:-

http://naca.larc.nasa.gov/reports/1945/naca-acr-5i20/

I don`t think that even the Cooper S is quite fast enough to get the full benefit!

Many race cars, and aircraft, of course, do still employ this type of intake!

Jun 6th, 2001, 09:51 AM	#9
Jakx MINI2 Senior Join Date: May 2001 Location: Bedfordshire ENGLAND Local Time: 12:37 AM Posts: 632 Offline	Quote: On 04-06-2001 12:32 BruceK wrote: [...] I think he meant NACA not NASA. It has to do with which government agency developed them way back when (the 50's I think). For added interest. NACA effectively became NASA in 1958 as a direct result of the blow to US confidence by the USSR`s successful Sputnik mission. The NACA (National Advisory Committee for Aeronautics) duct is explained in "submerged-duct entrances" (how very well described!) dated November 1945 at:- http://naca.larc.nasa.gov/reports/1945/naca-acr-5i20/ I don`t think that even the Cooper S is quite fast enough to get the full benefit! Many race cars, and aircraft, of course, do still employ this type of intake!