"dear Marc Halcomb would you please help me on something i wanna find telemetry madule
and i have holybro 500 Mw i want to know is it good for ranger or not?i saw ppl used 3DR and X8R,"
"We wanna build agricutural drone,its a big one and fuel engine,we want to have 50 littre pesticide tank and
because of the endurance we want to have the less nozzles
maybe3,but still we are not sure about the pump and the best materials for fuel and…"