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My 1985 Mercury 75
Ryan P. wrote:
On 5/23/2016 10:06 AM, Justan Olphart wrote: On 5/23/2016 10:46 AM, wrote: On Mon, 23 May 2016 08:33:24 -0500, "Ryan P." wrote: On 5/17/2016 1:48 PM, Ryan P. wrote: There was great debate over whether to lower the engine a peg, since now it sits a little higher when vertical, but with the additional setback (about 7") and additional down tilt, we figured the water would be quiet enough to give me good performance. I can always lower it a notch if I don't like the way it performs this weekend. And the answer is... I don't like the way it performs. Oh, it gets on plain super fast, but now I have a HARD pull to the right. I know I should be able to tilt the motor back up to about vertical, but now at cruising speed, vertical brings the prop up too high and I get excessive revving. Am I right in thinking that the hard pull is because the motor is tilted in too far? Will lowering the motor a inch (or two) actually alleviate the problem by letting me tilt out farther? Thanks! Have you tried adjusting the trim tab? That might help but I suspect he's getting bow steer. He needs to lower the motor and make sure he has some bow lift and the bow wake starts about 1/3 of a boat length from the bow. Once he has that he can tweak for the performance he wants. So that being said, if I had neutral steering before I added the 7" setback from the power tilt unit, Do I need to drop the motor down 1" to make it equal with its height prior to the modification, or do I need to drop it farther? You may need one of these: http://www.bobsmachine.com/True-Trac...Plates_c36.htm |
My 1985 Mercury 75
On Wed, 25 May 2016 15:27:12 -0500, "Ryan P."
wrote: On 5/25/2016 1:45 PM, wrote: That was the sort of answers that had me slinging mine under the lower cowl. Look at that knot they use for nets, rig 4 up leads and make the basket a snug fit around the leg and up you go. That was going to be my next option if I couldn't locate the lifting eye. Now that I did it once, I feel more comfortable doing it without a crane. I'll use the ol' "Lower the rear of the trailer as far as it will go, hook a chain to the lifting eye, secure to a thick tree bough, remove the bolts, raise the rear of the trailer, rebolt" method to move my motor down a notch. I've got a nice maple in the back yard that should be perfect. Should go a lot faster than trailering an hour up to Manitowoc to use the overhead crane. I rigged a lifting eye over the garage door for stuff like this. It is hanging on the lower chord of the truss, right against the wall. |
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