pratt & whitney

  1. G

    Pratt & Whitney XA103

    P&W completed PDR for its NGAD engine candidate (paywalled): https://insidedefense.com/daily-news/pratt-whitney-reaches-crucial-digital-design-milestone-ngap-prototype
    • GeorgeA
    • Thread
    • ngad pratt & whitney xa103
    • Replies: 1
    • Forum: Propulsion
  2. J

    CA-12 Boomerang Evolution

    In July 1940 the hounded British government warns the Australians of an imminent embargo of any aviation materials. On 10 December 1941 the capital ships of the Royal Navy H.M.S. Prince of Wales and H.M.S. Repulse are sunk by Japanese airplanes. On 21 December of the same month, the firm...
    • Justo Miranda
    • Thread
    • british commonwealth british empire commonwealth aircraft corporation commonwealth of australia curtiss-wright corporation general electric pacific ocean theater post-world war ii pratt & whitney rolls-royce royal australian air force world war ii wright aeronautical corporation
    • Replies: 7
    • Forum: Secret Early Aircraft Projects
  3. K

    Pratt & Whitney J-91 vs General Electric J-93 GE-1, GE-3, and GE-5 Questions

    Normally, I would just look through my books but I don't have very much information about the J-91 other than it had a 9-stage compressor, a twin-stage turbine, a 7:1 pressure-ratio, a trans-sonic compressor, a 55-inch diameter, and that the J-58 was an 80% scaled down version with a higher...
    • KJ_Lesnick
    • Thread
    • cold war general electric general electric company pratt & whitney
    • Replies: 10
    • Forum: Aviation & Space
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