RE: Rcexl Opto Gas Engine Kill Switch v1.2
just got a couple opto kill v1.3 for my planes. ground testing in the extra It seems to work as advertised, no interferance. did have to set the fail safe on channel 5 (futaba 9c 72mhz, dual 149 rx's) light goes out with switch or turning the transmitter off.
have not flown with it yet, just fired off the engine and did a range test. So far i am very happy with it.