NRA mag this month (August) has a article on it. Good gun for Yotes or Chucks. But the ammo is non reloadable (rimfire). Cheaper to shoot centerfire rifle if you reload and the Wind problems.
Move some weight forward and move the motor back a couple holes. Picture the motor angle to boat when the boat is on Plane. Sounds like the motor is pushing the Bow down as stated above.
Grumman 4.4 (14',6") Riveted Hull, 25HP Mercury tiller. Front casting deck with seat, center & rear swivel seats. Bow mount trolling motor, Anchormates both ends. 31.2 MPH by GPS