hi nice boat. i have one of these. my dad scratch biult me one from plans
when i was 7 , i am 48 now and still have it. my dad was an electrical engineer
with bt and made the transmiter ,receiver speed controler with parts from redundant vidio and tv
will submit pics at a latter date the stearing system is a 60s mechanical
one spring operated and you have to wind the thing up.
he did it up to take my two daughters to sail it but passed away before doing so
he was 76. good luck Raymond from merthyr Tydfil