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Question about the sSTA. C-S in the Bearhawk Fuselage drawing

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  • Question about the sSTA. C-S in the Bearhawk Fuselage drawing

    Can someone point me in finding the length of T11 at the picture attached?

    Carlo

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  • #2
    Have a scale ruler? Should be 10:1 on that page if memory serves. Engineer’s scale is your best friend with these plans.
    Christopher Owens
    Bearhawk 4-Place Scratch Built, Plans 991
    Bearhawk Patrol Scratch Built, Plans P313
    Germantown, Wisconsin, USA

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    • #3
      I second Chris, that is the only way you will get most measurements with these plans.

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      • #4
        should be 15" plus or minus

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        • #5
          As I see it, what is important is the angle that structure CS tilts back at the top. The main gear loads that transfer up from the axle through the shock should continue in a straight line up through structure CS. I am working on a Patrol so can not give you a number for a 4 place. Ed
          Patrol (modified)

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          • #6
            14.957”. Exactly

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            • #7
              Mark, Where do these dimensions and drawings come from?

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              • #8
                Originally posted by spinningwrench View Post
                Mark, Where do these dimensions and drawings come from?
                VR3 tube kit from Canada. The drawing and material list they include is pretty cool.
                Scratch Built 4-place Bearhawk. Continental IO-360, 88" C203 McCauley prop.

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                • #9
                  Originally posted by spinningwrench View Post
                  Mark, Where do these dimensions and drawings come from?
                  Wee is correct. The tubing is cut and coped to +/- 0.010”. After final welding my fuselage was within 1/32” tail post to the upper outboard motor mount bushings....I built a jig...tubing snapped into place. Was VR3’s first kit...the only mistake were the two vertical tubes front doors..which was correct on all future tubing kits.

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