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Scale Bud Nosen 1/4 Scale Cub?

Discussion in 'Giant / Scale Scratch and Kit Build Threads' started by Stevendavis, Sep 19, 2020.

  1. Stevendavis

    Stevendavis 70cc twin V2

    Thanks Mike!

    Yep, It's the Robart gear for the Balsa USA Cub. The Tailwheel assembly is from Sig.
     
  2. Robart makes great stuff, you will be happy with it. Not sure about the tail wheel, although Sig is top of the line as well. I learned a lot about building model airplanes from Sig kits I built along the way. Have a Sig Morrisey Bravo kit on the shelf that might be next up on the build list.
     
    Stevendavis likes this.
  3. Stevendavis

    Stevendavis 70cc twin V2

    The Morrisey is a great plane. The modern gassers are a great match for the older kits. I've also built quiet a few of the Sig kits in the past! One of my favorites is the Spacewalker.
     
    WMcNabb likes this.
  4. Stevendavis

    Stevendavis 70cc twin V2

    More goodies showed up today.
     

    Attached Files:

    pawnshopmike, Snoopy1 and WMcNabb like this.
  5. Stevendavis

    Stevendavis 70cc twin V2

    Can one of you guys, with a lathe, machine down these Airtop axles, "just the threaded portion", to the same size as the Robart axle? The Robart axle is 3/16" and the Airtop axles are 1/4".
     

    Attached Files:

  6. Sure, you want 1/4" threads turned down to 3/16"? How long do you the 3/16" area to be? Can you make a drawing? I've made 1/4" axles out of 1/4" bolts, turn the head down to 5/16" or so and make it thinner, eliminate the need for wheel collars. The other option is to use 1/4" and 7/32" KS brass tube as a filler in the 1/4" hole on the wheels.
     
    Snoopy1 and Stevendavis like this.
  7. Stevendavis

    Stevendavis 70cc twin V2

    Thanks Tony,
    Just shoot me your mailing address and I'll get them out to you. The Robart axle is too short, so I have to use the Airtop Axles. Just turning down the threaded part, plus maybe 1/8" will do great! Thank you!
     
  8. So just to be certain, you want the threaded portion plus 1/8" past turned down to the diameter of the Robart axle. How would you like the shoulder finished? Square, tapered, or radius? I'm thinking a square end would just butt the Robart housing an look good.
     
  9. Stevendavis

    Stevendavis 70cc twin V2

    Yep and Yep! Square would be best for fitment. Thanks a bunch for doing this for me! :angel:
     
  10. How did you ship them?
     
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