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Engine angles

gjames

Active member
I know this subject has been beat to death but I am fixing to adjust the angle of my engine to compensate for the bow bouncing as soon as the boat breaks over into a plane.It seems to me that when I gas my boat it push's the stearn down and takes it a minute to break over and as soon as it breaks over the bow starts bouncing and you have to back out of it.I am thinking that I should lower the rear of the engine, since I cant raise the front because it is an aircraft engine on a dynafocal type mount. Could someone let me know if I am headed in the right direction
 
I'd say set your engine level, Stright completyly level. It might not solve the porpising but a trim tab will do the trick, motor angle is everything, but sometimes it just the desigin of the hull!
 
Well Ihave played with my engine angle and have not cured my problem. I've moved the gas tank forward that helped some but I think I need a trim tab? whats the best kind and the best place to get one?
 
I have found when a boat is rigged close to right adjusting the engine angle will help however on a boat that has an inherent problem like ridding on the bow or drastically proposing it doesn’t have enough affect to overcome the problem. I feel that the engine angle is like a fine tune adjusting knob. And it doesn’t have enough adjustment to compensate for a major problem.
 
If your looking for a trim tab, Lenco is your best bet. Most marine suppliers carry them. I think a complete setup will run around $200+.

I have a buddy who used an automatic window motor out of a car. It works real good! Has better travel than a Lenco and costs a lot less.
 
Billy Kline has the sweetest trim tab set up I have seen. It uses a Lenco piston, but has a modified bracket that makes it really work nice.

The problem with a Lenco trim tab is people forget to lift them up as the start running dry ground. A few trips like that and it starts not working as well. Yep, that is experience speaking.

"Damn, I did it again." Pat
 
10-4 Pat, I've done it myself. Guess I figured there should be a little ditch wherever I went that day. Needless to say it didn't work.
 
Level the boat at the stringers, then level engine to match the stringers.
Then lower rear 1/8" that is a good starting point. Then if it still rides bad,raise the rear mounts in 1/4" increments. Worked for me!
 
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