gearbox

Hi all, I was considering building an ultra micro flying wing and had a few questions. First off, how do you get an ESC that is not built into the receiver and does not cost 60$ like the one from HH. Second question, I saw that all the UMX motor use gearboxes, is this necessary? does it effect...

Build your own easy solution for a strong and powerful tilt system - great for antenna trackers. Here is a quick clip of the tilt in motion. This video shows a Channel Gearboxe for Standard Size Servos (180° Max Rotation) rotation modification and 5:1 gear ratio. Here's a list of what you...