Have some questions about the rates of climb of F8F and F4U-4

Discussion in 'Aviation' started by MakiseKurisu, Jul 13, 2013.

  1. MakiseKurisu

    MakiseKurisu New Member

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    As we all know,F8F is much lighter with a better engine.
    it's 9,850lbs/10,380lbs(F8F-1/F8F-2) weight and powered with a R-2800-30W engine which can provide 1,720/2,250/2,500 BHP(Normal/Military/Combat) at SL.
    And the Corsair is heavier with a powerless engine
    It's 12,405 lbs weight and powered with a R-2800-18W engine which can only provide 1,700/2,100 BHP(Normal/Military) at SL
    So,I think the rate of climb of F8F should be better.
    But the best rate of climb of F8F-1 that I can find is 4,600 at SL with combat power
    F8F_1_a.jpg
    F8F_1_b.jpg
    F8F_1_c.jpg
    And the best rate of climb of F8F-2 that I can find is only 4,465 fps at SL with combat power
    F8F-2 2.jpg
    F8F-2.jpg
    The USN report comparison also shows that F8F can climb faster
    Ki-61-F8F Perf_page1_image1.jpg
    But the best rate of climb of F4U-4 that I can find is 4,770 fps at SL with maximum power
    F4U-4 image1.jpg
    F4U-4 image2.jpg
    I wonder why?Is there any different between the combat and maximum power?Or is there any higher figures of F8F?
     
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