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‘shop talk

Steve Condon

Building Light

A key to a good-flying R/C sailplane - especially an HLG - is for it to be lightweight. Here are 10 simple tips for building light models:

  1. Use only enough glue! No more, no less. No goopy masses!

  2. Use nylon bolts instead of steel where possible.

  3. Use carbon pushrods in housings instead of steel wire or cable (this saves a lot in the tail).

  4. Install your radio gear as far forward as humanly possible! Take your time and be clever!

  5. Keep paint jobs light by minimal priming, lots of sanding, and using a paint that covers well.

  6. When sheeting HLG wings, weigh each piece of balsa to get the lightest pieces possible, and to balance both wings. When sheeting, squeegee as much glue out as possible. For even lighter wings, use dope sanding sealer on the sides that will be glued so less epoxy absorbs.

  7. For HLG's use the lightest servos possible and shorten the wires to 'just long enough.'

  8. For HLG's, remove the Rx case and wrap the receiver in light foam.

  9. Build super-light tail feathers that are strong enough to take your hardest launch.

Learn to fly with an aft CG so you can take lots of weight out of the nose and still fly it!

 
 
     
 
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