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IMAC Double Build, Carden Pro 124" Extra 300 40%

Discussion in 'Giant / Scale Scratch and Kit Build Threads' started by orthobird, Mar 18, 2016.

   
  1. Rusty 73

    Rusty 73 70cc twin V2

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    Like how you put the vertical to direct the air towards the heads great idea , this should help out a lot .

    Your killing me here when I see your wearing sandals while taking the pictures of the cowl .
    It's winter up here , snow falling , no sandal until May at least .

    Great work .
     
    orthobird likes this.
  2. jtec/radiowave

    jtec/radiowave 70cc twin V2

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    Cam,

    Found out the laser cutter is really good for making different designs!! Both are looking great

    Al
     
    orthobird likes this.
  3. orthobird

    orthobird 150cc

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    Rusty, yes, it is a cool 54 degrees here now.

    Al, that explains why all your airplanes look awesome!
    I need to get me something like a laser or vinyl cutter one of these days. Maybe If I win the lottery I can buy one!

    Did the stripes on the bottom of the wings. Soon, to tackle the top side! As you can all see, I am very hesitant or should I say, timid, on tackling the top covering!

    IMG_2925.JPG
     
  4. Snoopy1

    Snoopy1 150cc

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    Yes I know the feeling am sitting around staring at two wings not sure how I want to do them.
     
    orthobird likes this.
  5. orthobird

    orthobird 150cc

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    Ok, I got off my keister and started to work on the top covering for the wings.


    this is the bottom of both wings,


    IMG_2926.JPG


    I used this thick cardboard, and cut it to the profile of the wing tip.
    IMG_2929.JPG



    Then, using long French curves, and all kinds of calculations, I was able to cut this template to this...
    IMG_2930.JPG
     
    Rusty 73, HRRC Flyer and mikeh like this.
  6. Rusty 73

    Rusty 73 70cc twin V2

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    It's a bombe -0.5f or -18c outside .
    So did you use the template for the elevator cuve and just increased the curve to match the design on the wing ..
     
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  7. orthobird

    orthobird 150cc

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    No, I made a new one.

    Finally! Done with covering. Next step is the primer and painting of the glassed parts (landing gear cuffs, wheel pants, cowl, & canopy). And, before that, one last thing, the baffles for the quad.

    IMG_2933.JPG
     
    thurmma, Buddy5303, WMcNabb and 6 others like this.
  8. orthobird

    orthobird 150cc

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    @Rusty 73

    -0.5 Farenhiet, man, I would be under 5 blankets and waiting for summer! No way I could live there. You all are tough!
     
    Rusty 73 likes this.
  9. Snoopy1

    Snoopy1 150cc

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    Wow that was quick. Looks great. Have 2questions. One of my problems is that I have a French curve but only 12 inch long how long is one you have. And second question is the Ultracoat over the white did you use water soap method and then squeegee the water out with balsa and then seal the edges. If you did how long before you sealed it or put heat to it to seal it.
     
    orthobird likes this.
  10. orthobird

    orthobird 150cc

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    Thank you Snoopy!

    I want to say it is almost 24" long

    I am using Monokote, and used ammonia dilute with water. (With Ultracote, it would be soapy water).

    With the Monokote, there are threads that describe the technique, of "Monokote over Monokote", and they say, wait 24 hours after applying, and then 24 hours later, seal the edges, either with trim solvent, or warm iron.
     
    thurmma and Snoopy1 like this.
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