A new idea. To have model boat to lock onto a bearing and stay fixed to it. How many times does your boat veer off course? (Mainly when the captain has gone to sleep, or is talking to his crew. (Read here mates with other boats). This little video is the start of the process and you will be surprised how inexpensive the little addition is.
https://www.youtube.com/watch?v=l0VmTwCunBM
