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Scratch and Kit Built Aircraft Discuss and share your scratch built or kit built aircraft as well as building techniques, methods, mediums and resources.

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Old 07-15-2017, 02:38 AM   #1
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Default Avenger electric conversion

I found this Roy Looyenga design on Outerzone, and fell in love with it. Designed for glow power, I'm making the necessary changes to convert it to electric.

It has a 57.5" wingspan, and will be powered with a Power Up 46 Sport motor swinging a 10X7e prop, with two 3s 3700mah lipos connected in series, and a 80 amp ESC.

The original design incorporates the upper turtledeck, behind the cockpit, as part of the wing with long tubes to access the wing hold down bolts. My version will connect the turtledeck and cockpit area, which will be removed to access the wing hold downs. I'm also rounding out the lower part of the fuselage a bit, and adding flaps. A plastic "soda bottle" cowl (removable) will keep the sleek lines meeting the 2.5" diameter "Turbo Cool" spinner by Tru-Turn.

CAD work is still progressing. Getting everything to fit, and still keeping in mind the proper CG, has been somewhat of a challenge, but fun. I hope to be able to get a laser cut short kit done up, and start building, this winter.

Since my wife is an Air Force veteran, I plan on finishing the plane in a light grey Ultracote, with florescent orange wingtips and tail feathers for visibility sake, and some type of black design on the underbelly and lower surface of the wing. Her name and "call sign" will be beneath the cockpit.


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Old 07-23-2017, 04:33 PM   #2
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117 drawing layers in CAD - so far. Still a few details to add in, but most of the parts have been double checked for fit, and the plane 'built' layer by layer on the computer to check to see if anything interferes with something else.

So far, I have found a few mistakes and made the necessary corrections. I've been trying to teach myself the 3D version of the 2D CAD program I am currently using, which would make this process easier, but this just isn't the project to learn on. I'm hoping I can take my 2D plans, import them into the 3D program, and start experimenting after the plane is built.

I'm still putting together my 'wish list' of hardware needed to complete the build. That can be almost as daunting a task as the design. I try to get everything needed at once (there is no such thing as a LHS nearby here) so I don't end up paying $5 to ship a $2 part later on.


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