GM-1 plus MW-50

Discussion in 'Engines' started by Mosshorn, Jul 16, 2010.

  1. Mosshorn

    Mosshorn Banned

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    I read today that GM-1 and MW-50 was sometimes installed on the same aircraft although rarely. I also read that GM-1 was not in widespread use after 1943 and MW-50 was not in use on BMW 801D-powered FW-190's until very late in the war.

    Would the sequential use (in the following manner) of both GM-1 and MW-50 have made a difference in the high / low combat effectiveness of the FW-190A-7/8?

    1) Utilize the BMW 801D supercharger alone to climb to 5000 meters.
    2) Engage MW-50 boost to climb from 5000 to 6000 meters. (Apparently, MW-50 lost most of its usefulness above 6000 meters.)
    3) Engage GM-1 boost for the final climb to bomber altitude and attack the formation with GM-1.
    4) Split S and engage MW-50 boost below 6000 meters for use in fighter combat and breaking contact for RTB.

    A) Carry a center-line drop tank.
    B) Delete the cowl-mounted machine guns and ammo as the weight trade-off for the extra tankage and piping.

    Moss
     
  2. krieghund

    krieghund Member

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    Actually the TA-152 utilized both systems in the same flight but at the expense of fuel.

    The ADI for the BMW-801D will only work up to its critical altitude then the GM-1 above the critical altitude. There were exceptions to the GM-1 rule on other engines

    However, both systems add weight to a already heavy airframe and take away from the fuel supply. Higher octane fuel with a matching supercharger is the correct route to take.
     
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