Turbo-compound: when it was 1st used

Discussion in 'Engines' started by tomo pauk, Apr 7, 2011.

  1. tomo pauk

    tomo pauk Creator of Interesting Threads

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    Would like to know more about 1st planes/prototypes that used turbo-compound
     
  2. FLYBOYJ

    FLYBOYJ IP/Mech THE GREAT GAZOO
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    I believe the first Turbo Compounds were used in the DC-7 and later model Lockheed Constellations. The turbo compound was supposed to deliver better fuel efficiency but initally shortened engine life.
     
  3. WJPearce

    WJPearce Active Member

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    #3 WJPearce, Apr 7, 2011
    Last edited: Apr 7, 2011
    For testing, I believe the first R-3350 Turbo Compound was flown in 1949 in the nose of a B-17. I can not think of any prototypes right now, unless you count the R-3350 TC powered Yak 11 Air Racer.

    Here is an article that might answer some of your questions:
    Turbo Compounds

    B-17 from http://www.aerofiles.com/boe-b17turbo.jpg:
    [​IMG]

    Yak 11 from http://aafo.com/racing/images/rheat_01.jpg (note the angle of attack, Skip Holm was the pilot for this picture I believe):
    [​IMG]

    Edit:

    I found a prototype, the Stroukoff YC-134. Basically an "improved" C-123:
    http://en.wikipedia.org/wiki/Stroukoff_YC-134

    Also there was a Martin M-270 which was the XP5M-1 Marlin flying boat prototype that had been reconfigured as a hull design test aircraft.

    WJP
     
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