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Jon and V Boat Conversions & Modifications
Time to redo the transom and add some flotation pods PICS!!!
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<blockquote data-quote="richg99" data-source="post: 220970" data-attributes="member: 4376"><p>In the flats around South Texas...two inches of SETBACK normally would allow one inch of "rise". </p><p></p><p>I've owned the CMC-35 as well as a couple of standard hydraulic jackplates. No question, the hydraulic vertical jack plate is the best arrangement to protect your prop in oyster reef areas. It allows the best bet for getting top speed and hole shot, too.</p><p></p><p>Having a hydraulic tilt arrangement, like the CMC -35, is good and worked well for me, but automatic vertical rise adjustment is even better, IMHO. </p><p></p><p>Having both vertical and tilt is, obviously, what everyone would want. </p><p></p><p>8 or 9 inches of setback seems like a lot of strain to put on your newly built transom. </p><p></p><p>Would it be possible to build your new transom and allow for a couple of adjustment holes, instead of adding another setback with an adjustable riser? Perhaps welding double thick plates in line with your engine mounting would allow for a couple of tries to get the height right.</p><p></p><p>The motor mounting plate may have a number of height adjustment holes, too.</p><p></p><p>A number of my motors have been professionally mounted one or two inches higher than the motor clamp's base. Those motors were, of course, bolted through with four bolts. The gap between the mounting base and the top of the transom didn't even have a filler in it, as it bears no weight. </p><p></p><p>Obviously, getting the exact correct rise would require mounting and remounting the motor a couple of times.</p><p></p><p>If that system didn't work, you could always add your additional manual jackplate.</p><p></p><p>regards, Rich</p></blockquote><p></p>
[QUOTE="richg99, post: 220970, member: 4376"] In the flats around South Texas...two inches of SETBACK normally would allow one inch of "rise". I've owned the CMC-35 as well as a couple of standard hydraulic jackplates. No question, the hydraulic vertical jack plate is the best arrangement to protect your prop in oyster reef areas. It allows the best bet for getting top speed and hole shot, too. Having a hydraulic tilt arrangement, like the CMC -35, is good and worked well for me, but automatic vertical rise adjustment is even better, IMHO. Having both vertical and tilt is, obviously, what everyone would want. 8 or 9 inches of setback seems like a lot of strain to put on your newly built transom. Would it be possible to build your new transom and allow for a couple of adjustment holes, instead of adding another setback with an adjustable riser? Perhaps welding double thick plates in line with your engine mounting would allow for a couple of tries to get the height right. The motor mounting plate may have a number of height adjustment holes, too. A number of my motors have been professionally mounted one or two inches higher than the motor clamp's base. Those motors were, of course, bolted through with four bolts. The gap between the mounting base and the top of the transom didn't even have a filler in it, as it bears no weight. Obviously, getting the exact correct rise would require mounting and remounting the motor a couple of times. If that system didn't work, you could always add your additional manual jackplate. regards, Rich [/QUOTE]
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Jon and V Boat Conversions & Modifications
Time to redo the transom and add some flotation pods PICS!!!
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