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Tailspin Turtle

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About Tailspin Turtle

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    tommythomason@sbcglobal.net

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  1. Tailspin Turtle

    F8F-2p Bearcat

    For what it’s worth, it doesn’t have the flange of the fuel tanks: https://tailspintopics.blogspot.com/2016/09/things-under-wings-post-war-external.html Here’s is the original blog post that we’ve been referring to: http://tailhooktopics.blogspot.com/2017/09/f8f-2p-propeller-hub.html Note that the aft end of the pod does not taper as much as the fuel tank, indicative of the need for the depth of the third camera position. With respect to the camera location, I’d guess starboard, vertical, port from front to back.
  2. Tailspin Turtle

    F8F-2p Bearcat

    Sorry - that's all I've got on that pod. I lightened the picture of the it, which revealed a port on its left side. I'll add that to the blog post along with an illustration of a trimetrogon installation in a B-17. The pictures of the pod on F8Fs in flight aren't high enough resolution to reveal any details on it but my guess is that there was a port on the right side and one on the bottom.
  3. I've updated the post again with a Step 7 warning not to try to use one of the resin parts provided and also a link to a description of the configuration of the nose landing gear.
  4. I just added a correction to Step 13 of the assembly corrections to this blog post.
  5. My first impressions: https://tailspintopics.blogspot.com/2019/04/sword-172-f3h-demon-kits.html
  6. Tailspin Turtle

    Heller F-86F question

    Maybe in that case but in general it’s to allow for lengthening the forward fuselage if needs be while retaining the FS numbers for structure aft of the increase and also not going to negative FS numbers. Grumman engineers managed to get very confusing in this regard on the change from the F9F-2/3 to the F9F-4/5. See the drawing note here: http://tailhooktopics.blogspot.com/2012/05/accurate-three-view-drawings.html Also see the McDonnell use of “Buttock” in an F2H drawing in the same post.
  7. Tailspin Turtle

    Heller F-86F question

    To expand a little on Sabrejet’s excellent explanation, the practice and nomenclature was a carryover from the “lofting” (defining the shape) of boat hulls. Station was the fore and aft reference; Water Line, up and down: and Buttock, left and right. U.S. practice is generally Fuselage Station, FS (and 0 was often ahead of the nose); Water Line, WL (with 0 almost always being far enough below the fuselage so there were no negative numbers); and Butt Line, BL (with zero being on the centerline).
  8. Tailspin Turtle

    rf-101c in painted silver/ gray?

    I’m pretty sure I would have remembered posting that one. No foul though.
  9. Tailspin Turtle

    rf-101c in painted silver/ gray?

    Huh? That reference doesn’t ring a bell. What was the post?
  10. Tailspin Turtle

    US Coast Guard HUS-1G (later H-34G) Fuel Tank

    150-gallon tank info: https://tailspintopics.blogspot.com/2016/09/things-under-wings-post-war-external.html
  11. Kitty Hawk is well aware of the substitutions made to create a presentable F6U from the junk taken out of the desert as well as having been presented with pretty good documentation of the actual configuration variations http://tailspintopics.blogspot.com/2017/06/relying-on-museum-examples-for-detail.html
  12. Tailspin Turtle

    Tupolev Tu-22M3 crash

    On further review, it looks like it was a heavy touchdown, with the forward fuselage breaking off at a manufacturing join. Most of the “bounce”, therefore, was aerodynamic, with the center of gravity shifting aft, resulting in a pitch up, which caused the angle of attack and therefore the lift to increase. Something similar occurred here, only with the extreme aft end of the fuselage breaking off: http://youtu.be/QIsbSz03WdU
  13. Tailspin Turtle

    Tupolev Tu-22M3 crash

    I’ve looked at the video a few times. The sink rate doesn’t appear to be overly excessive prior to touchdown but the bounce following suggests that it was. 7+ negative g would be well beyond any structural design criteria. However, I would expect the landing gear to collapse rather than the aircraft bounce if it were that high.
  14. Tailspin Turtle

    PB4Y-2 Privateer

    I’m beginning to wonder about that aileron-snatch explanation, although it seems possible that the wings of the Bat caused a pressure change under the wing that sucked the aileron down or up. However, a wide, not very thick fairing that extends to or even a bit forward of the wing leading edge doesn’t strike me as a fix for that.
  15. Tailspin Turtle

    US Navy Sea Blue(s)

    As Dana has noted, the earlier GSB weathered/faded much quicker and more significantly than the later one, so there are at least three GSBs: new early, weathered early, and later...
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