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Scale 20cc Edge 540 Profile “The Glitter”

Discussion in 'Giant / Scale Scratch and Kit Build Threads' started by BalsaDust, May 28, 2019.

   
  1. BalsaDust

    BalsaDust Moderator

    good start.
     
    Snoopy1 likes this.
  2. Snoopy1

    Snoopy1 640cc Uber Pimp

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    @BalsaDust needs some help. The drawings are confusing me. Started making parts for the fuselage. But have a question. The fuselage is built from 3/8 balsa am I correct eg. Part #16 is 3/8 thick and part #14 is also 3/8 thick. So if I have it correct all the balsa is 3/8 thick but up at the motor you add 1/8 on either side making it 5/8 thick at the motor.
    So at the location the Wing tube goes through the fuselage it is 5/8 thick. But it changes to 3/8 just after the wing tube. Looking at the plan view of the wing the two ply wood ribs #1 that connects to the fuselage will have 1/8 step at the trailing edge. And also the wing tube will protrude on either side of the fuselage. Am I correct or have miss understood the drawings. HELP.
     
  3. BalsaDust

    BalsaDust Moderator

    When I get back to my computer after lunch I will take a look and help you out.
     
  4. BalsaDust

    BalsaDust Moderator

    Ok so looking at the plans if you look at the actual parts layout section parts 14,16 are both drawn on a 1/4" sheet as well as a 3/8" sheet. They will be glued together to give you a total fuse thickness of 5/8". I drew it this way as its cheaper at least last time I priced stuff out to buy a sheet of 1/4" and a sheet of 3/8" over buying a single 5/8" thick sheet. And yes is the nose section it is a lot of 3/8" thick balsa with 1/8" ply on both sides of it. Hope this all helps.
     
  5. Snoopy1

    Snoopy1 640cc Uber Pimp

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    Just stepped out for a minute when I get back will look at again. Thanks. I think I understand.
     
  6. Snoopy1

    Snoopy1 640cc Uber Pimp

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    Ok it all makes sense to me now . I see how you glue all the parts together. And all the connections in to the front plywood plate. Thanks the explanation.
    One more question the 1/8 side plates for the motor do you use light ply or heavy duty aircraft ply.
     
    Last edited: Dec 3, 2019
  7. BalsaDust

    BalsaDust Moderator

    Since it will be carrying the load of the engine and the landing gear I recommend aircraft grade birch ply.
     
    Snoopy1 likes this.
  8. Snoopy1

    Snoopy1 640cc Uber Pimp

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    Thanks.
     
    BalsaDust likes this.
  9. Snoopy1

    Snoopy1 640cc Uber Pimp

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    Just looking forward on the build. Got the fuselage drawing on the workbench and just looking how the stabilizer and elevator fit into fuselage.
    @BalsaDust need some clarification please. Looks like the slot in the fuselage for the stabilizer is about 6 1/4 inch. The stabilizer I can get to fit but the elevator I can not get it in. Or do you install the elevator and stabilizer firs and then finish of the fuselage. Thanks again.
     
  10. Snoopy1

    Snoopy1 640cc Uber Pimp

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    Will be making parts for a little while. Just finished the two 3mm, 5 plywood side panel motor supports and the two maple motor rails.
    B49770FE-8166-4232-BEE6-410408458A66.jpeg
     
    WMcNabb, pawnshopmike and BalsaDust like this.
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