APM:Rover 3.1.0 Stable Release is out!

[gvr63 (Guy)]

Sonar air boat working fine

[image] Hello sonar boat designers My new sonar air boat project is nearly finished. The boat is build from an old bait boat. The brains are a pixhawk controller. The motor and prop (12 x 4.5) are rather large but that seems to be a good thing. In the old design there was an 10 x 4.8 slow fly prop and a smaller motor with a power consumption of 3 A for a speed of 3 km/u. With the new prop we have 1.6 A with the same speed Power source are two parallel 3s 1p 5000 mAh lipo’s. Th…