I
saw nightflyyer use colorful balloons on his heli to aid orientation and added 4 inch foam balls to my heli. I attached a photo of the result. I found the ball in the children's toy section of WalMart for $1 each. I used 5mm carbon tubes to replace the landing skids to attach the foam balls. I used 1 inch plastic fender washers (which I created from a plastic food container) with large fuel tubing "lock nuts" to secure the foam balls to the carbon…
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