Helicopter

A project I have been putting off until tonight. Switched out the aluminum 9958 main shaft to a carbon fiber one to shave off some weight. Just sharing some dimensions in case someone else is thinking of making a carbon fiber main shaft for the Xieda 9958.First I took a Bravo III carbon fiber main s ...

A couple of comparison pictures of popular 1s LiPo's for micro helicopters.Here's the relative heights. The Nano-Tech is not puffy. They all look like that for some reason, and as you can see...are thicker than the other 1s cells. ...

Just a public service announcement regarding E-Flite's Blade mSR 5-in-1 RX board. I learn the hard way that E-Flite has at least two revision of the 5-in-1. And between revisions, they also reversed the polarity of the battery plug. I didn't realized this when I had to replace a fray battery plug on ...