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  1. Sir John Valentine Carden Survives. Part 2.

    "General Alan Brooke had prepared a statement to be made at an interview with the Soviet Minister of Foreign Affairs Vyacheslav Mikhaylovich Molotov who was on his way through back from the USA to Moscow. The demand for a second front from Moscow were getting deafening. Brooke had finally...

  2. Munich Shuffle: 1938-1942

    Nice cover. The burnt out wreck sandwiched between good and evil is the PODs' Lockheed Electra?

  3. Malaya What If

    If that's the case then RR must have an extra lung or two. Very handy that.

  4. Malaya What If

    @Ramp-Rat , I appreciate your well thought out postings. However, if possible please consider breaking up your monolithic paragraph into smaller chunks for the benefit of the more geriatric* readerships' eyesight. *Nice way of saying "Old Farts" like myself. :)

  5. Malaya What If

    Here then is a rather large butterfly. A better prepared Operation Matador. And Lord Gort being able to do what General Percival wasn't able to. And large butterfly #2, Admiral Philips setting out with at least some air cover. How will this all play out?

  6. WW2 Earlier Turbo-compound aircraft engines

    Andras---"I'm gonna repost two videos by Greg. One is turbo vs Supercharging, and the other is power recovery turbines. At 36 minutes is a direct comparison chart between the systems on a R2800. turbocompounding I lied, a third video on the best supercharging system on a Corsair" -- Andras.

  7. WW2 Earlier Turbo-compound aircraft engines

    Developing some method of turbo-compounding early enough to be used in WW2 is an old topic of interest. Considering the performance improvements gained compared to mechanical supercharging and turbocharging, turbo-compounding offered some clear advantages. The thrust gained from the engine...

  8. WW2 Earlier Turbo-compound aircraft engines

    I think I'm going to use my OP privileges to resurrect my old thread. There is an interesting discussion about the benefits and detriments of turbo-compound versus mechanical supercharging versus turbocharging in the P-38 thread I think it may need its own topical thread. I'm going to copy over...

  9. WI: NACA Modified P-38

    Developing some method of turbo-compounding early enough to be used in WW2 is an old topic of interest. Considering the performance improvements gained compared to mechanical supercharging and turbocharging, turbo-compounding offered some clear advantages. The thrust gained from the engine...

  10. WI: NACA Modified P-38

    @tomo pauk I've having trouble reading that chart you put up. Do you have something a little clearer to read? "Net effect of all this was that a 2-stage Merlin was every bit as good a high altitude engine as the turboed V-1710 power-wise (if not better), with far easier packaging (= can be...

  11. WI: NACA Modified P-38

    I know they developed an automatic turbo overspeed protector. But I thought the pilot still had to monitor the boost and thereby adjust the throttle if required. Especially important at lower altitudes. But I could be overlooking something here. Here is a chart from one of Greg's Youtube videos...

  12. How "should" WWII in 1940 have gone?

    Do you have any more information on this Italian .50 explosive round? It's an interesting concept. Though it sounds less then effective. Trading away the .50 APIs best capability, its armour piercing for an inadequate explosive charge. The slight uptick you mention may have been due to earlier...

  13. WI: NACA Modified P-38

    Picture something that resembles an all-metal, tricycle landing gear DH Hornet with turbocharged Allison V-1710 engines. Even better if it's powered by pdf27s' sort of turbo-compounded marvels.

  14. WI: NACA Modified P-38

    Turbocharger relocation eh. I've got an idea or two about that too. If Kelly Johnson had decided to put the radiators and oil coolers in the wings' leading edge it opens up some other possibilities. Since this could've happened early in the design stage when everything is still on paper and...

  15. WI: NACA Modified P-38

    "The designers may have been aware of such an option but with the "current" wing design, NACA 23016, installing rads in the leading edge would have removed most of the space for the forward (Reserve) fuel tanks. The option, in that case, would have amounted to the 1942 NACA recommendation of...

  16. WI: NACA Modified P-38

    Lets go back to take a look at the OTL development of the P-38 by going right back to the very beginning. And we'll be taking a new look at that old question, why a twin boom design? And to help put things into better perspective here is a link to Greg's video discussing this subject. The link...

  17. A Wilder Wildcat

    Well, if we're just going after early war Oscars and Zeros, Bettys and Sallys and using incendiary ammunition then I think it would have served well enough. Eventually the USN will have to install heavier armament in their F4Fs to deal with the late war Japanese aircraft. But then again, that's...

  18. A Wilder Wildcat

    If you can't have a sufficiently powerful engine then go with two engines. Grumman did consider this option and designed the XF5F. This has already been discussed in this thread however and the objections to the Skyrocket are well founded. Here is a recently posted Youtube video from Rex's...

  19. Sir John Valentine Carden Survives. Part 2.

    I would truly have liked to see how they would have gotten them out of the Great Lakes and into the Atlantic ocean. :)

  20. A Wilder Wildcat

    Yes. What would have been more beneficial is if Grumman could have put the R-2800 powered Hellcat into production earlier. What could have possibly sped up the development process? Not originally designing the XF6F for the Wright R-2600 but going with the P&W R-2800 right from the start? Was...
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