I'm looking for an electric trolling type motor as auxillary power for my 28-foot sailboat. My requirements are to have the most efficient, highest powered, longest shaft transom mount. I understand I will be severly underpowered but I'm willing to accept that. What I have found is the following three models:<br /><br />1. Motor Guide GWT107V, 36 volt, 42" shaft, 107 lb. thrust, $536<br />2. Minn Kota Rip Tide RT101/STM, 36 volt, 42" shaft, 101 lb. thrust, $550<br />3. Minn Kota EP130, remote steering, 24 volt, 36" shaft, 130 lb. thrust, $1,050<br /><br />I don't need remote steering. My transom height is 24" so perhaps the 36" shaft is too short. Can anyone here recommend one of these models over the others as far as quality and features or point me towards further info on the subject? <br />Thanks<br />James