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what should a new 15hp 4 stroke do on a 1436 jon ?
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<blockquote data-quote="back4more" data-source="post: 344210" data-attributes="member: 1482"><p>thanks skebob, I may try it without the doel-phin next weekend.</p><p></p><p>I took it out today and found out a few things.</p><p></p><p>first of the way I used a app on my phone (GPS Essentials) to determine that the 6hp pushed my empty boat and me 17mph. when I took out the 15hp motor, with wife daughter and I, I got my 17mph speed from my lowrance mark 4 ff/gps combo. today I found out that the two devices have a variance of as much as 2-3 mph.</p><p></p><p>when I went out alone I reached 20.0 based on the lowrance, and something like 22.9 using the phone app. I went back to the dock and changed my trim angle from the 3rd hole closest to the boat, to the 2nd hole closest to the boat. not good. I didnt even let the motor top out. the front was plowing water. went back to the dock and changed the trim angle to the 4th hole closest to the boat (as shown in pic below). this was much better, got me up to 23.3 mph. added the wife and daughter and we did 19.4 (compared to 17.3 or so last time)</p><p></p><p><img src="https://i975.photobucket.com/albums/ae240/jaxyaksurfer/trim.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="back4more, post: 344210, member: 1482"] thanks skebob, I may try it without the doel-phin next weekend. I took it out today and found out a few things. first of the way I used a app on my phone (GPS Essentials) to determine that the 6hp pushed my empty boat and me 17mph. when I took out the 15hp motor, with wife daughter and I, I got my 17mph speed from my lowrance mark 4 ff/gps combo. today I found out that the two devices have a variance of as much as 2-3 mph. when I went out alone I reached 20.0 based on the lowrance, and something like 22.9 using the phone app. I went back to the dock and changed my trim angle from the 3rd hole closest to the boat, to the 2nd hole closest to the boat. not good. I didnt even let the motor top out. the front was plowing water. went back to the dock and changed the trim angle to the 4th hole closest to the boat (as shown in pic below). this was much better, got me up to 23.3 mph. added the wife and daughter and we did 19.4 (compared to 17.3 or so last time) [img]https://i975.photobucket.com/albums/ae240/jaxyaksurfer/trim.jpg[/img] [/QUOTE]
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what should a new 15hp 4 stroke do on a 1436 jon ?
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