airdrive for a 14 ft

[rsalvarez1]

Hi, i satart with the lake buggy plans, and end with a very diferent craft, i use a 14 ft alumacraft john boat, i start to buid the motor base and propeller protection, i use a gx420 clon 16 hp and a 42X16 wood propeller, was very unstable, i test with my dog and each time that he move, the boat move to were dog