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 Post subject: Flight Computers
PostPosted: Fri May 26, 2023 4:49 pm 
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Time for another list thread! This one involves flight computers. I was originally going to post this in the Load Adjusters thread, but I thought better of it. It started with an attempt to just list the World War II American examples, but it expanded a bit in the process to just include flight computers in general - although still with a military focus:

American, Pre-World War II
  • Dalton Aircraft Navigational Computer, Mark VII[1]

American, World War II
  • Aerial Dead Reckoning Computer, Type E-6B (USAAC)[2]
  • Aerial Dead Reckoning Computer, Type E-6B (USAAF)[3]
  • Aircraft Navigational Plotting Board, Mark 3A[4]
  • Computer, Altitude Correction, AN 94-27326[5]
  • Computer, Altitude Correction, Type AN 5837-1[6]
  • Computer, Altitude Correction, Type C-2[7]
  • Computer, Dead Reckoning, Type AN 5835-1[8]
  • Computer, True Airspeed, A.C. Type G-F[9]
  • Computer, True Airspeed, A.C. Type G-I[10]
  • Dead Reckoning Computer, Specification AN-C-74-A[11]
  • Flight Computer, True Airspeed, AN5836-1[12]
  • Time-Distance Computer, Type D-3[13]
  • Time-Distance Computer, Type D-4[14]

American, Post-World War II
  • Clean Rest Computer, F11F-1F[15]
  • Computer, Air Navigation, Celestial Azimuth, Type CP-300/U[16]
  • Computer, Air Navigation, Dead Reckoning, Type CPU 26A/P[17]
  • Computer, Air Navigation, Dead Reckoning, Type MB-4A[18]
  • Computer, Air Navigation, Local Hour Angle, Type X-1[19]
  • Computer, Air Navigation, True Airspeed, Mach No., Wind Solution, Supersonic, Type MB-2A[20]
  • Computer, Air Navigation, True Airspeed, Wind Solution, Supersonic, Type MB-9[21]
  • Constant Altitude Cruise, T-37B[22]
  • Range Computer, B-47[23]
  • Rest Computer, F3D-2[24]
  • Rest Computer, TV-2[25]

American, Post-World War II, Civilian
  • [DC-8 Computair][26]

German, World War II
  • Dreieckrechner DR 2 (1938)[27]
  • Dreieckrechner DR 2 (1942)[28]

Japanese, World War II

Soviet, Post-World War II

Assorted

Unknown
  • Navigadget Mark I[35]

A few notes:
  • For the World War II American flight computers, I have tried to include examples of each variation. For example, when the text was slightly changed.
  • The format of the name has attempted to be preserved as it appears on the instrument as much as possible. However, there are some minor changes for the sake of formatting and consistancy.
  • Note that the G-I has been misidentified as the "G-1" by many sources. However, the existence of the "G-F" seems to prove otherwise.
  • The AN 5837-1 is a Type C-2 with fluorescent markings. It also appears to be identical to the AN 94-27326.[36]
  • Just as American load adjusters were single sourced to Cox and Stevens, flight computers were essentially the same way with G. Felsenthal & Sons. However, there were a few other manufacturers, such as J.B. Carroll.
  • For a little bit more history on the famous E-6B, CYA Aviation has an article about the man behind it, Philip Dalton.

EDIT (23-06-04): Replace reference for Japanese flight computer.

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Last edited by Noha307 on Sun Jun 04, 2023 6:08 pm, edited 1 time in total.

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 Post subject: Re: Flight Computers
PostPosted: Sun May 28, 2023 7:41 pm 
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I'll throw mine in if you want it; from Army flight school June 1969 at Ft. Wolters. FENSENTHAL INSTRUMENTS CO. TYPE CPU 26 A/P


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 Post subject: Re: Flight Computers
PostPosted: Wed May 31, 2023 1:14 pm 
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I posted a pic of my Japanese Flight Computer on the WIX fb page. Please take the pic for you use!

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 Post subject: Re: Flight Computers
PostPosted: Sun Jun 04, 2023 6:21 pm 
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lucky52 wrote:
I'll throw mine in if you want it; from Army flight school June 1969 at Ft. Wolters. FENSENTHAL INSTRUMENTS CO. TYPE CPU 26 A/P

Sure, thanks!

Hemiman wrote:
I posted a pic of my Japanese Flight Computer on the WIX fb page. Please take the pic for you use!

I don't really check the Facebook page, so thanks for letting me know. (For anyone else, the relevant post was made on May 28th.) Unfortunately, the quality of the picture is too low to for the markings to be legible. Any chance you could post a higher resolution version? (Preferably as an attachment on the forum, if possible. I archive all of the references in my posts in the Internet Archive so they remain available for future reference and Facebook is really hard to do that for. The URLs for the images are unnecessarily long and go dead very quickly.)

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 Post subject: Re: Flight Computers
PostPosted: Mon Jun 05, 2023 10:45 am 
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My oldest daughter grew up with me being in the aviation field, yet for the most part did not have much interest in aviation. She is now grown and very interested in aviation, so for her birthday I bought her an E6B.

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 Post subject: Re: Flight Computers
PostPosted: Sat Jun 24, 2023 2:34 pm 
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The specifications for the original World War II E-6B can be found on page 132 of Volume 3 of the Army-Navy Index of Aeronautical Equipment:
Attachment:
Computer - Aerial Dead Reckoning.png
Computer - Aerial Dead Reckoning.png [ 681.13 KiB | Viewed 350 times ]

(Source: Army-Navy Index of Aeronautical Equipment: Volume 3 via AeroAntique)

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