Recent content by bobm4360

  1. bobm4360

    Picture of the day.

    I believe it's a Glaser .22 conversion kit. There's one on "Forgotten Weapons" Youtube channel.
  2. bobm4360

    Miscellaneous engine manuals - not maker or engine specific.

    Thanks again!
  3. bobm4360

    American Instrument Documents

    Thanks very much!
  4. bobm4360

    ME-262 Video

    Engines are J-85s from A-37s. Yeah, I know, nitpicking...
  5. bobm4360

    Wright Cyclone R-1820 Manuals

    Thanks! Bob
  6. bobm4360

    Intrusive Ads

    I understand the need for ads. I'm OK with ads in the topics between threads. An ad in the thread opening sucks! Bob
  7. bobm4360

    R-2800 Service Instructions

    Thanks very much! Bob
  8. bobm4360

    R-2800 Manuals

    Thank you! Bob
  9. bobm4360

    Bendix-Scintilla Ignition System Manuals

    Thanks very much!
  10. bobm4360

    Bendix-Scintilla Ignition System Manuals

    Thanks again!
  11. bobm4360

    Bendix-Scintilla Ignition System Manuals

    Thanks again!
  12. bobm4360

    Bendix-Scintilla Ignition System Manuals

    Thanks very much!
  13. bobm4360

    R-1690 vs R-1820

    For the prototype, cost and weight favor the Hornet. Lots of parts in common with the Wasp, and cheaper to build; also approximately 200 pounds lighter. For the production B-17, the R-1820 is lighter and less complex than the R-1830 with similar horsepower. Bob
  14. bobm4360

    R-1690 vs R-1820

    Boeing may have started the design while still part of United Aircraft and Transportation Corp., which also included Pratt & Whitney. As this was a private venture, they probably decided to keep as much as possible "in house". For the production aircraft, the Army told the aircraft...
  15. bobm4360

    R-1820 Restoration

    A #50 lifting eye is what you need. Be careful, 1820s are heavy!
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