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#1
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Try throwing a jack plate into the mix, and it gets REAL confusing getting the 3 of em set right for every condition. When I had my flats boat I would run teh jack plate up til it would lose water pressure, then drop it down an inch, trim it out till the engine would be just above level, and then stop the bounce with the tabs. O nan I/O though, be careful not to trim it to high if your trim limit switch isn't working. Alot of people bypass them because they fail often, but without them you can overtrim the drive and bind the u-joints.
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2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR 2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD ![]() AND THE PINK JEEP!!!! R.I.P. http://www.wellcraftv20.com/communit...ad.php?t=11664 |
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#2
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You will also notice when the motor is trimmed just right the boat will steer left and right much, much easier. I don't like to run with the motor trimmed all the way down (except out of the hole) unless I absolutely have to because of the tension it puts on the steering system.
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1994 Wellcraft V21 |
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#3
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Quote:
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'74 V-20/ BF 150 '95 V-21/ BF 150 '84 V-20/ 200 2.4 Merc '87 V-20/'18 F150 Yamaha |
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#4
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it's also kind amazing at how much less drag you get with the motor trimmed up. when you take off in all down mode and get on plane watch how the spray from the side moves toward the stern as you trim up. all down the spray is coming off about the windshield(like reels sig pic) and with it trimmed right it moves back to about where the rear bimini strap is.
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#5
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1. Bring boat up on plane with engine trimmed down.
2. Start trimming up engine.....can trim up till the prop starts loosing its bite and ( sounds funny from exhaust), then trim down just a little till sounds " normal". 3. Can also trim up till boat starts to " porpoise" meaning the bow rides up and down. Then trim back down a little till the boat's riding flat again - not up and down. This assumes it's calm enough and you're not pounding the hull on waves. You'll want to keep the engine trimmed down to force the bow down when it's rough or else you'll pound heavily. Trim tabs increases this range of trim - and allows you to work it in concert with the engine trim. |
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#6
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Thank you everyone for all the great info...
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1985 Wellcraft v20 Step up Cuddy 3.7 L4 Merc 165 Hp |
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#7
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Its something you need to play with until you find your boats sweet spot.
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