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When Hollywood Ruled The Skies - Volumes 1 through 4 by Bruce Oriss


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 Post subject: NACA 100
PostPosted: Tue Mar 19, 2019 6:18 pm 
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Joined: Fri Mar 23, 2007 5:37 am
Posts: 84
Location: Grimsby, UK
The BT-13 thread on the WIX Hangar forum has moved on to discuss the Vibrators used by NACA and provides this link to an interesting publication...
https://history.nasa.gov/monograph26.pdf

Sensing an opportunity to fill in some missing information I quickly looked through the monograph's index and found one brief reference and two photo captions which mention a Fairchild F.24. Neither photographs show very much of the particular aircraft but it is best seen head-on in the background of the photograph of a F-86 on page 100. I suspect this is not a Fairchild UC-61 or UC-61A as the AAF records show none that were assigned to NACA.

It is known that one 24W-41A was purchased from Fairchild for use by NACA during 1942. The c/no. puts it between the last UC-61 (Argus I) and the first UC-61A (Argus II). Fairchild W41A-371 was eventually sold off and civil registered in 1953. One airworthiness document in the FAA file shows a previous identity
Quote:
ASSIGNED NACA
and
Quote:
NACA 100
. There is also a drawing of long probe which may have been mounted in a similar arrangement to that on the Piper J.4 Cub shown on page 113 of the above monograph.

I know of something of the post 1953 civil history from the FAA documentation but little or nothing of it's use from 1942 to 1953 by NACA/NASA, except that the photo caption on page 100 states the F.24 was used for training (c. 1952). However, the FAA file shows that prior to disposal and civil registration in 1953, W41A-371 was last used by, or loaned to, the University of Washington.

Does anyone know anything further of the Fairchild F.24's use by NACA, or the by University of Washington, and does anyone have a photograph of a Fairchild 24W marked 'NACA' or 'NACA 100' or fitted with a long under wing probe?

I know this is a very long shot, but it is worth the asking, thank you.
Tony Broadhurst


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 Post subject: Re: NACA 100
PostPosted: Tue Mar 19, 2019 8:40 pm 
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Joined: Mon Jan 18, 2010 9:12 am
Posts: 296
The "J4 Cub" on pages 113 and 114 is actually a Piper L-4A or B Cub.

C2j


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 Post subject: Re: NACA 100
PostPosted: Tue Mar 19, 2019 10:05 pm 
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Posts: 7540
Hopefully this made your long shot shorter :wink:

Image
Infiltration measuring equipment on the Fairchild F-24-W40 airplane..Fairchild F-24-W40 airplane used for infiltration test.

_________________
[Thread title is ridiculous btw]


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 Post subject: Re: NACA 100
PostPosted: Wed Mar 20, 2019 5:12 am 
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Joined: Fri Mar 23, 2007 5:37 am
Posts: 84
Location: Grimsby, UK
Mark Allen M wrote:
Hopefully this made your long shot shorter :wink:

Image
Infiltration measuring equipment on the Fairchild F-24-W40 airplane..Fairchild F-24-W40 airplane used for infiltration test.


Wow Mark,
Very many thanks. That is superb, I did not even dare to dream of anything as sharp and clear as that image.

Ironically, it appears to be a NACA photograph.
A few years back when NASA began publishing some of it's photo collection on the Internet I inquired whether they had any of this aircraft and answer came back that they had not found any!

The probe is very similar to that mounted on the Cub.

Thank you C2j for the correction. I had not thought about it and just copied the caption but of course, the J.4 fuselage is deeper and wider.

Many thanks to you both, Tony Broadhurst


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