Talk:Pratt & Whitney J75

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Surely there must be a better picture of a J75 than some hulk sitting in a Havana parking lot. Although probably meant as an anti-American slam, the U-2 in question was downed during the Cuban Missile Crisis when secretive Soviet attempts to turn the country into a missile base were discovered and monitored by the U-2 and other American recon aircraft. So, you're looking at a piece of American technology that averted World War III and prevented Cuba itself from being turned into a smoking hole.Jmdeur (talk) 18:47, 31 July 2009 (UTC)[reply]

You might be reading a bit too much into that picture, but I agree that a better picture could be found. Incidentally, any truth to the old yarn that you could throw a brick in the front and see a puff of sand come out the back? Of course not, but it was a tough engine.--172.190.11.73 (talk) 00:13, 3 November 2011 (UTC)[reply]

J-75 not used as powerplants for A-12, YF-12A, SR-71 and M-12[edit]

AFAIK all these jets used (in the end) the P&W J58. The J58 burns a special fuel JP-7, which would possibly not ignite in a P&W J-75 and/or maintain a stable combustion. --de:TK-lion (talk) 13:26, 8 August 2013 (UTC)

J75 used for early A-12 flights.--Petebutt (talk) 23:53, 1 January 2018 (UTC)[reply]

From the A-12 article:

 The first five A-12s, in 1962, were initially flown with Pratt & Whitney J75 engines capable of 17,000 lbf (76 kN) thrust each, enabling the J75-equipped A-12s to obtain speeds of approximately Mach 2.0. The two-seater Titanium Goose retained J75s throughout it's life.