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Thread: Pressurized cockpits in WWII fighters

  1. #1
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    Pressurized cockpits in WWII fighters

    My question is how many types were fitted & tested with this ??
    Below
    A wonderful shot of the 171st and last P-47B (41-6065) used as a test platform under the designation XP-47E to evaluate the R-2800-59 engine, a pressurized cockpit with a hinged canopy and, eventually, a new Hamilton Standard propeller. The plans for production were cancelled after increased emphasis on low-level operations over Europe.
    Taken September 1942.

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    Spitfire VII was pressurised? Westland Welkin.
    Martin

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    None, only the high-altitude Spits and other recce aircraft. There was no real need otherwise - it only made bombing more inaccurate.

    The need for HA aircraft was identified, though. Tests were carried out on a HA Wellington and other craft and the Americans recognised the need for such a capability when they designed the B-29.

    Supplemental oxygen satisfied the requirements of all but the most specialised roles in the RAF towards the end of the war. Post-war, of course, it was a different story as it was recognised that the bombing role, with improved aiming, needed to be, and would have to be, at higher levels to provide range efficiency and immunity from flak (before the missile threat matured).

    Jets made it easier with compressor bleeds rather than an energy-sapping compressor in the aircraft.

    In the P-47 pic, above, it still has the standard Curtiss prop fitted though presumably, once fitted, the H-S prop might have had a different engine reduction gear ratio on the dash 59 to enable the craft to be more efficient at high levels. It does seem to confirm that there was no need to operate at high level just for the sake of it.

    Anon.
    Last edited by Anon; 14th April 2017 at 21:32.

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    Messerschmitt Bf109G-1,3 and 5. The Ju388J.

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    Bomber wise they did the Wellington v and v1

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    Operational:

    Focke Wulf Ta 152H
    Junkers Ju 86P
    DH Mosquito NF. Mk. XV and PR. Mk 32.
    Spit' Mk.IV. Mk.VI. HF Mk. VII. HF Mk. VIII

    Those were generally just pressurised versions of existing designs.

    The list of pressurised aircraft in WWII is huge. Its just that most of it is test aircraft and prototypes: Focke Wulf FW 190C series, Blohm & Voss 155B, Henschel Hs 130, Kawasaki Ki 108, Tachikawa Ki 74, Vickers Type 432. And that's the stuff that got flown.

    Here's a question: Is the B29 the only type to be designed with pressurisation from the outset to see widespread service in WWII?

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    Surely Spitfire Mk.19 should be added as well.

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    Spitfire Mk19 like mentioned above had a pressurised cockpit that's why there is no fold down door in the cockpit wall

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    I thought is was the Spitfire marks VI, VII, X and XIX which were pressurised.

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    I thought, from the thread title, that the question was about fighters, not Photo reconnaissance or bomber aircraft?
    Martin

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    I know. I got sidetracked...

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    Quote Originally Posted by Spiteful View Post
    I thought is was the Spitfire marks VI, VII, X and XIX which were pressurised.
    You're right.

    Mk VI was the first to be pressurised to get into service. The canopy was locked into place -wasn't on rails.

    Really should leave this to Mk12.

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    Thanks guy's, so was the Spitfire the only fighter with a pressurized cockpit to see action, or did German & Russian ?? , fighters also see actual combat.

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    The Bf109G-1, G-3 and G-5 saw combat, as (mentioned above) did the Ta152.

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    I worked for an old Group captain in the early 1980, who had a squadron of pressuized Mosquitos (140sdn). He said they where not very good as the escape hatches llet more air out.

    Dave

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    Experimental Brewster XF2A-4 s/n:01516 I haven't found any photo of it yet.

    Chris

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    Interesting subject. How did the pressure chamber stand up to combat damage? Weere they many explosive de compressions?
    Rob

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    Quote Originally Posted by Supermarine305 View Post
    I know. I got sidetracked...
    A post about a non-Spitfire turning into a thread about Spitfires?
    Why that would never happen here.
    There are two sides to every story. The truth is usually somewhere between the two.

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    Its a curse, I tell ye!

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    Quote Originally Posted by J Boyle View Post
    A post about a non-Spitfire turning into a thread about Spitfires?
    Why that would never happen here.
    The original question did specifically invite discussion of other types.
    Martin

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    Here's one I forgot about, designed from the beginning with a pressurized cockpit.

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    Quote Originally Posted by cabbage View Post
    Surely Spitfire Mk.19 should be added as well.
    I don't believe all of them were pressurised though.

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    Quote Originally Posted by j_jza80 View Post
    I don't believe all of them were pressurised though.
    ... Or armed.
    Martin

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    Quote Originally Posted by farnboroughrob View Post
    Interesting subject. How did the pressure chamber stand up to combat damage? Were they many explosive decompressions?
    Rob
    The maximum pressure difference on the Spitfire Mk.VI was only 2psi, so I doubt that any decompression would be explosive. The pressure hull of the Ju86P/R was punctured on several occasions without any catastrophic events. I doubt that those in the Bf109 were any greater - and these clearly not considered of great value as they were discarded on later variants, even those with the high-altitude rated DB605AS or D. It's an interesting question whether the Bf109H was pressurised or not: I would assume so.

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