Recent content by Neil Stirling

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    Ram Air and Its Real Effect on Performance

    Thank you.
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    DH Mosquito

    My hair, it keeps floating away from my head.
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    DH Mosquito

    Great logo Greg! I worked on large aircraft in the RAF (VC10) and a large airline ( 747, 777, 767, 787 and A380) for 40 years. Aircraft damage was taken very seriously and if you caused damage the policy was put your hand up and tell someone in authority. After all safety and airworthiness were...
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    F4U-5 handling performance reports

    Performance reduction from pre production calculations to aircraft in service were usually the norm. Best to ask Mike Williams of WWII Aircraft Performance if any one knows he will. Neil
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    F4U-5 handling performance reports

    Combat performance is estimated, normal and military are from flight tests. The date of the chart is from February 1949, I would have thought combat power results would have been available by then. Neil.
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    Did f4u4's R2800-18W run at 70'' and with 2800HP at sealevel?

    No. Vought originally intended that the F4U-4 was to run its -18W at 70 "hg with 115/145 octane fuel, however, the -18W was limited to 60"hg with either 100/130 or 115/145 octane. During late 1946 the -42W was fitted to around 60 F4U-4 Corsairs and this could be run at 70"hg, however, the USN...
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    Farewell and best of luck

    Tomo, I can imagine who it was. Don't leave. Neil.
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    Is there a convenient way to get books from RRHT?

    Hi tomo, try Amazon UK. They have quite a few RR Heritage Trust Books. The trust web site also has an order form that lists the available books. Neil.
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    Fairey Battle: Performance and Tactics

    Firefly performance. Speed in KTS. IMG_0524.JPG IMG_0525.JPG IMG_0526.JPG IMG_0527.JPG IMG_0528.JPG Neil Sorry wrong thread and F up posting the links. Info is here Fairey Firefly Performance - Sea Level vs at altitude.
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    Hawker Tempest Mk.II & Bristol Centaurus Questions

    Sorry no info, I would guess it would be 6.5 lbs boost. Neil.
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    Hawker Tempest Mk.II & Bristol Centaurus Questions

    Intended http://www.wwiiaircraftperformance.org/Fury/Sea_Fury_Flight.pdf and would of required 150 grade fuel. The Aeroplane magazine of 1946 gives 2,780hp at 3,000ft with this performance. No it doesn't give power in F.S. Post war http://www.wwiiaircraftperformance.org/Fury/Sea_Fury_Flight.pdf...
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    Hawker Tempest Mk.II & Bristol Centaurus Questions

    Bristol Centaurus power chart March 1945. Public Record Office Kew. AVIA 15/2911. Neil.
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    Another take on superchargers

    Hi Kryten you can get a copy here, but you will have to pay. Search results: British Performance Reduction Methods for Modern Aircraft | The National Archives Another file that contains many charts and calculations. Search results: aircraft performance data book | The National Archives Neil.
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    F4U vs. P-51 essay

    Hi Jeff, regarding the 109F I think the higher speeds are not reduced to standard. This is interesting Me 109 G-1 Flight Test Basically it shows there was very little difference in performance between the 601E and 605A Neil.
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    F4U vs. P-51 essay

    Dawncaster, ps. but excuse me, if I did not read wrong british performance cards, the range in stated conditions of Mustang IV seems 2190 miles instead of 2690 miles. Look at the bottom of the page, 2690 miles is including the rear tank.
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