Originally Posted by nighthawk0077
Ok had 4 flights today with my HET F20.
Setup is CS10, L2855 2100kv on 6S high timing. I'm getting ~1400watts and 64amps. Motor is fine (although it was cold out today), but I'm not too impressed with this motor. Could be the ducting or exhaust tube, but I was expecting more speed out of it. Probably only got 105mph.
The 10blade fan doesn't like being choked down. Try opening it up to 95% FSA (61mm) and it will come alive. I tried mine with the stock exhaust on my Phase 3 EF-16, 55mm and the performance was terrible. 10oz less static thrust than the 61mm exhaust.
What's your exhaust diameter?