Geoman Posted April 24, 2023 Share Posted April 24, 2023 Bendix Air Data Computer - Part 1: First Look Inside (YouTube) Bendix Air Data Computer - Part 2: Master Ken Explains (YouTube) Reverse-engineering an electromechanical Central Air Data Computer (Ken Shirriff's blog) Zitat Reverse-engineering an electromechanical Central Air Data Computer Determining the airspeed and altitude of a fighter plane is harder than you'd expect. At slower speeds, pressure measurements can give the altitude, air speed, and other "air data". But as planes approach the speed of sound, complicated equations are needed to accurately compute these values. The Bendix Central Air Data Computer (CADC) solved this problem for military planes such as the F-101 and the F-111 fighters, and the B-58 bomber.1 This electromechanical marvel was crammed full of 1955 technology: gears, cams, synchros, and magnetic amplifiers. In this blog post I look inside the CADC, describe the calculations it performed, and explain how it performed these calculations mechanically. [...] I haven't found a definitive list of which planes used this CADC. Based on various sources, I believe it was used in the F-86, F-101, F-104, F-105, F-106, and F-111, and the B-58 bomber. 3 2 AMD TR1950X, RTX 3090, 64 GB RAM, Reverb G2, HOTAS Warthog & Saitek Combat Rudder Padels Link to comment Share on other sites More sharing options...
sparrow88 Posted April 25, 2023 Share Posted April 25, 2023 23 hours ago, Geoman said: I haven't found a definitive list of which planes used this CADC. Based on various sources, I believe it was used in the F-86, F-101, F-104, F-105, F-106, and F-111, and the B-58 bomber. How is this related to the Phantom? Link to comment Share on other sites More sharing options...
RevampedGrunt Posted April 25, 2023 Share Posted April 25, 2023 9 hours ago, sparrow88 said: How is this related to the Phantom? Possibly forgot what forums it was it? Current Modules: F-14A/B, F/A-18C, F-16C, F-15E, F-4E, AV-8B, Mirage 2KC, Mirage F-1, Mig-21, AJS-37, A-10C II, F-5E, AH-64D, UH-1H, Ka-50 BS2/BS3, Mi-8MTV2, Mi-24P, SA342, Spitfire, P-47D, BF-109K, Mosquito Tech Pack: WWII Assets Terrain: Syria, Sinai, NTTR Link to comment Share on other sites More sharing options...
AH_Solid_Snake Posted April 26, 2023 Share Posted April 26, 2023 Jeez can we cut some slack here? Its an interesting nugget of information on related aircraft, from the right country in the right time period. Its even directly known to have been in other century series fighters - so its at least tangentially related, which is cool on a slow news day for F4 development and we haven't even ruled out that its not the right CADC. In other news - cool find, enjoyed the read. 4 1 Link to comment Share on other sites More sharing options...
Biggus Posted April 27, 2023 Share Posted April 27, 2023 Many years ago, the 104 was going to be the first third party module. There was a subforum for it. But for now, I'm glad it was posted as it's quite interesting to see the evolution of avionics that was the state of the art during the development of the Phantom. It gives a bit of context for just how revolutionary the Phantom really was. 2 Link to comment Share on other sites More sharing options...
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