Check out this 1/144 U212. I contacted the builder, according to him, he uses a RCABS. But instead of a tire valve, he uses a solenoid valve.
Building thread here. ( anybody read Italian?)
http://www.betasom.it/forum/index.php?s ... 25147&st=0
Test dive video
Building thread here. ( anybody read Italian?)
http://www.betasom.it/forum/index.php?s ... 25147&st=0
Test dive video