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Scale Ambrosini SS-4

Discussion in 'Giant / Scale Scratch and Kit Build Threads' started by Larry B, Jan 2, 2017.

  1. Larry B

    Larry B 70cc twin V2

    Well I am going off the deep end again, it's become a personal mission to build a competitive scale canard!
    After deciding that the Ascender will never be a good contest model for many reasons I have had an alternate airplane in the back of my mind for several years now. The Ambrosini SS-4 is a Italian canard that had a life span of only two flights over a period of two days, it ended killing the pilot when the aileron came off in flight.
    I don't know if anyone is interested in the making of a glass fuse from plug, to mold, to part or not. Today I started on the plug after having my crude plans enlarged up to 1/5th scale.
    If a few of you guys are interested I'll be more than happy to give you a step by step process on how I do it, now bear in mind there are a bunch of different ways of getting a good end product. This is just the way I have found that is simple & easy for me.
    Larry B

    P1010001.JPG P1010004.JPG P1010009.JPG
  2. Larry B

    Larry B 70cc twin V2

    Here is a shot of the ribs and wing lay-out, it will have to be a built up wing because of the elliptical leading edge.

  3. Larry B

    Larry B 70cc twin V2

    Got the plug profile stiffened up using some 1.5"X3/4" glued along each side, a notch will have to be cut out of the cross sections to accommodate this stiffener. Also I have to cut out the thickness of the profile from all of the cross sections to keep the width of the plug accurate. If you forget this step your plug will end up a 1/4" to wide.

    B4.JPG B8.JPG C1.JPG
    Jetpainter, AKNick, WMcNabb and 2 others like this.
  4. On boy. Here we go again!

    AKNick, WMcNabb, dhal22 and 1 other person like this.
  5. Alky6

    Alky6 150cc

    Look forward to watching this progress. Always like to learn something new! :yesss:
    pawnshopmike likes this.

  6. dhal22

    dhal22 GSN Sponsor Tier 1

    pawnshopmike likes this.
  7. WMcNabb

    WMcNabb 100cc

    TN, USA
    This should be cool to watch!!

    Jetpainter and pawnshopmike like this.
  8. AKNick

    AKNick 100cc

    Intriguing aircraft... can you explain the dual canard? This will be a fun build to follow along with you on!
    Jetpainter and pawnshopmike like this.
  9. Larry B

    Larry B 70cc twin V2

    The dual canard is really simple, the elevator is just hinged below the fixed canard surface. The idea was copied from Junkers, if you look at the Ju-87 the German built airplane did the same thing.
    I have no idea what the advantage of doing this is, maybe it provides a cleaner air flow over the elevator?
    Larry B

    Last edited: Jan 3, 2017
    AKNick likes this.
  10. Jetpainter

    Jetpainter 640cc Uber Pimp

    I'm all in Larry. I still want to do my own glass fuse someday.

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