Yearly Archives: 2013

q-bot repair

Q-BOT Quadcopter – repair 1

What is it At US$39 these are possibly not worth repairing, but it’s always interesting to see what’s inside, how it works and there’s the challenge of making it work again. Available from Hobbyking. Most parts are available as spares. The problem – The repair One motor then two wouldn’t […]

A failed ESC

ESC selection, failure and reliability

Selecting a ESC for your RC model Always Over-spec the ESC to be safe, even with the “good” ones. I’d suggest 50% over, and the HK ESCs are OK. For a 40A rated motor, choose a 60A ESC. Always start with a power meter connected and increase the throttle while […]