Hello,
here are a few updated pictures of the Gry Maritha. The crane is now working, up-down and left-right. My radio is a six channel 2.4Ghz with 4 proportional channels and two off/on. In order to run also the crane, I had to come up with a solution for two extra proportional channels as required by my layout. I came up with the idea to use channel 6 to switch two proportional channels via a DPDT relay. The arm of the crane is set up in such a way, that it can not swing to the left or right as long as it is in the cradle.
channel 1 = throttle with mixer
channel 2 = bow thruster - crane left/right
channel 3 = lights/sound - crane up/down
channel 4 = rudder
channel 5 = second layer for channel 2,3
channel 6 = deck hatches and side hatch open/close
Here are a few more pics.
Regards
Wilhelm