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Scale Nelitz 1/3 scale Cub build

Discussion in 'Giant / Scale Scratch and Kit Build Threads' started by dhal22, Feb 9, 2018.

  1. What part are you making for the cabin? You could end milling the part rather than face milling to improve the finish or milling in the opposite direction. I'm guessing you were climb milling where tool pulls the work into it.
     
  2. dhal22

    dhal22 GSN Sponsor Tier 1

    Was crossing the 'rod' end across the mill bit and only in correct direction. Axis rod is bent so that had something to do with it I'm sure.
     
  3. dhal22

    dhal22 GSN Sponsor Tier 1

    Waiting on misc brass and steel rods and realized it's time to get serious about the wing and upper cabin work. Started the fit up tonight.

    20210307_212727.jpg
     
  4. dhal22

    dhal22 GSN Sponsor Tier 1

    Several issues with upper cabin wing ribs. I shot Don at Rcaiir.com an email with photos yesterday. Awaiting a reply.
     
  5. Hope you get a speedy reply, looks like the rib on the right is a little short of the trailing edge. Are the ribs show on the plans? Is it possible to cut new ones rather than wait for a revision?
     
  6. dhal22

    dhal22 GSN Sponsor Tier 1

    Definitely, I'm cutting tomorrow regardless. At first assumed they were correct but looking around online I don't think so. Thus the inquiry. To be continued.
     
  7. dhal22

    dhal22 GSN Sponsor Tier 1


    Working on root rib mess. Inner root rib has undercamber, unlike outer root rib. No main spar slot and is different size from outer root rib. I wouldn't have the upper cross brace slots vertical, why not square them with rib surface and eliminate sanding?


    16169527877371114054172.jpg


    Camber


    20210328_132020.jpg
     
  8. dhal22

    dhal22 GSN Sponsor Tier 1

    Outer root rib issues:

    It's incorrectly shaped with shaping for the wing spar and sheeting. No upper cross bracing slots at all. Also it is longer than the inner root rib. Perhaps a trailing edge fixes that.

    20210328_125515.jpg
     
    Stevendavis likes this.
  9. dhal22

    dhal22 GSN Sponsor Tier 1

    Tentative rib layout. Going to burn up a $40 sheet of birch plywood....... :gnashing:

    161695395826878363220.jpg
     
    Stevendavis, TonyHallo and WMcNabb like this.
  10. Better get busy, this winter building season is coming to an end! Start cutting!
     
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