"We spent one year for design and tests. We created this nozzle and this propeller. It takes 26 hours to print one set then we have to sand and aceton it. I think $35 is fair enough for that job. Now we think about different design but I know it can…"
"It was Arduino based at first but some time worked unstable. Now we have Turnigy 9xr that connected by twisted pair to Rmilec PWM PPM SBUS Signal Converter and the last 100 dives we naven't any communication problem at all.
We use 2x2…"