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I decided that the first job would be to chop the motor box to suit my approx 70mm long Scorpion motor. This turned out to be a reasonably straightforward job, i didnt even need to make any new parts. Attached photos...
ImagesView all Images in thread
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steve |
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Last edited by Smoggie; Mar 12, 2012 at 06:48 PM.
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There is no risk of the thrust angle being off because I cut right behind the motor mount stiffeners, you can use the stiffeners as a cutting guide, you cant go wrong. Then move the mount back until the front was flush with the cut points, this 100% ensures that you retain the stock thrust offsets.
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I'm SO excited about this one. PLEEEEASE ship it already, you fine folks on the other side of the planet! |
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I was going back through looking at the verious pictures posted in this thread and I saw a picture where someone was installing the elevator had cut the wood of the rudder to get the elevator installed.
I built two of these over the weekend and did not have to cut the rudder section out. You need to flip the elevator where the trailing edge faces forward and use the angles to slide it in. Then you can slide the horizontal stab in. Then you just need to install the hinges. they are flexible and you can slide them into the horizontal stab and eleveator very easily. |
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The fella that cut the wood out doesn't have this plane no more.... our friend long leng didn't use enough thin CA and it turned into tooth picks the other day.
The wood doesn't need to be cut, the elevator slide right in then the horizontal stab. |
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Last edited by bigroger; Mar 13, 2012 at 12:50 AM.
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Thread OP
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Anyone able to balance the plane yet with cg mine was tail heavy just wondering how these new builds are coming along with the proper equipment
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Question: Was the mounting plate simply glued to the ends of the wood at the four corners or was there some sort of notch connection? IF it was simply glued originally I am surprised that it is strong enough. If it was notched, how did you managed to make it strong enough when you re-glued? |
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Anyone use Gorilla Glue fillets? I like GG
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I maybe should have took more photos to show exactly how it worked. Its kinda hard to explain in words. The motor mount plate is/was keyed into the sides of the motor box. I cut off the entire plate complete with the keyed in motor box sides. Due to the fact that the box is tapered when i move the plate assembly back what was the motor box sides now fits inside the motor box 'longerons' giving a generous overlap which i glued with epoxy.
I'll probably add some reinforcing cheek plates out of ply or carbon just to be double sure but I'm pretty confident that it's more than strong enough as it is. Due to the shorter length it is in fact slightly stiffer. |
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