While I understand the simplicity aspect of wanting a basic non-computer radio dedicated to a particular aircraft.....consider this please.....Just as with a multi-engined aircraft...the likelyhood that you will experience an engine failure goes up proportionally with the number of engines..........With the more transmitters you have......the likelyhood that you will forget one while heading out to the field goes up proportionally also. Also....the distance you travel to get to the field...has a direct relation to the things you're going to "forget to bring to the field"........Field within 5 miles.....you'll never forget anything.......field farther than 30 miles.....you will start forgetting transmitters....wings...canopies...etc...etc...etc .....
CB