Most radios have a failsafe you can set. This will cut the power with a loss of signal. Without the failsafe working the boat will drive itself down under water until the battery dies or the esc or motor burn out. I have had this happen a few times, fortunately the boats were bouyant enough to resurface, even though it has cost me an esc or battery. I always check now to make sure the fail safes are working.
Make sure you boat has enough bouyancy foam, pool noodle works well, so that it will float even if full of water.
NZMPBA 2013, 2016 Open Electric Champion. NZMPBA 2016 P Offshore Champion.
2016 SUHA Q Sport Hydro Hi Points Champion.
BOPMPBC Open Mono, Open Electric Champion.
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