17-08-2011, 07:16 PM
David,
You could very easily bring it into the category of 'vintage radio'. Back in the 1960s I built a simple one channel system to steer a model boat. My mind is blank on the receiver, but the transmitter used battery valves with a 90v HT battery, and there was a PO3000 relay clacking away to provide a variable mark/space ratio proportional to where the rudder had to go. Those were the days!
Andy
You could very easily bring it into the category of 'vintage radio'. Back in the 1960s I built a simple one channel system to steer a model boat. My mind is blank on the receiver, but the transmitter used battery valves with a 90v HT battery, and there was a PO3000 relay clacking away to provide a variable mark/space ratio proportional to where the rudder had to go. Those were the days!
Andy
