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Trim Settings
https://www.smwebhead.com/phpBB3/viewtopic.php?f=3&t=7474		 Page 1 of 1
Author:  verpoort [ Sat May 14, 2011 7:35 pm ]
Post subject:  Trim Settings
I have a question about setting the trim on a Four Winns boat, specifically a H210 SS. A couple things that I do understand as it relates to trim settings, I know that it depends on how the boat is loaded (weight) and where the weight is displaced. Now with my last boat I could feel it in the steering wheel and basically I would start with the trim all the way down and trim up until the steering wheel felt like it was in a neutral position. I took my SS out the other day and actually was having a hard time finding the sweet spot, and having the trim gauge really didn't offer me any assistance (mainly because those lines on the gauge have no value to me). The steering on my H210 never gave me any feedback as to an improper trim setting. So, for you H210 drivers, on average where on the trim gauge do you find yourself most of the time? Also to note, I'm only at 5.4 hours on the boat. So, I cant nor really want to take the boat to WOT and then trim to my max RPM of 5300. I think if I could go WOT I could get a better idea of the proper trim setting. Boats like airplanes operate much better when they are trimmed properly.

Thanks in advance for the advice.
Author:  mrkaly88 [ Sat May 14, 2011 10:57 pm ]
Post subject:  Re: Trim Settings
My trim gauge is currently not working, so (in addition to feeling when it is trimmed right), I can watch the wash behind the boat. I trim it up until there is no splatter (or sloppy spray) directly over the out drive in the wake. Not sure if this is the correct way, but it always leaves a clean wake for wakeboarding & a smooth ride. This seems to work regardless of how I have the boat loaded.

Hope this helps!
Author:  Walt [ Sat May 14, 2011 10:59 pm ]
Post subject:  Re: Trim Settings
At WOT with just the GF and I, we are near the "trailer limit" position (about 1/4 up from bottom). For typical joy riding and boarding, about half that. I start like you, full down, then just trim up until the bow is floating just on top of the waves. Ideally, set the throttle first, then trim to max MPH/RPM without changing throttle. Of course, porposing means you've gone just a bit too far.
Author:  Berger [ Sun May 15, 2011 7:02 am ]
Post subject:  Re: Trim Settings
Walt wrote:
At WOT with just the GF and I, we are near the "trailer limit" position (about 1/4 up from bottom). For typical joy riding and boarding, about half that.


Ditto for me...
Author:  St. Louis Dave [ Sun May 15, 2011 11:10 am ]
Post subject:  Re: Trim Settings
I find trim is 99% feel and 1% what's on the guage. You can feel and hear it in your motor and sound of the water on the hull. When it's right, you'll know it. Just to the edge of porporise is the right spot. Keep playing with it and remember every time you go out it may be different due to boat load and conditions.
Author:  DaleG [ Tue May 17, 2011 10:34 am ]
Post subject:  Re: Trim Settings
Adjusting the drive trim is really feel. Yes, you may feel it more on some boats than others.
Here is how I do it on my 240H --- I am generally in full down (in) trip to plane the boat.
Once on plane and at near cruising speed I start to trim out. I use small taps of the up bottom on the shifter. As the bow starts to rise you may notice a small increase in rpm -- but not always on some boats. Once you get too much up trim the boat will porpose and not be in a stable running position. The best trim position should be just down from porposing --
(I believe that to be true on four winns Stable V hull with the sponsons that help planing)
With a lot of boats you have more latitude in adjusting trim. I have found you cannot add much up trim to a Four Winns hull.
Author:  Lightning65 [ Tue May 17, 2011 10:55 am ]
Post subject:  Re: Trim Settings
I owned the same boat as you the 210SS....trimming that boat could not be any easier. Start with trim all the way down, as you get on plane (and at speed for the current throttle position) start bumping the trim up, with every bump the boat should speed up without more throttle, when the boat stops speeding up with every bump of the trim you will feel the prop start to "slip"....then bump the trim back down one time and that is your sweet spot. The "feel" of this process is most easily felt at full throttle...and if you are at 5+ hrs on your boat...it's time to stretch her legs a bit... get her nice and warm for about 10 min. then it is more than ok to "drop the hammer" for a few minutes.... :twisted:
With evey bump in trim, your speed and RPM will increase (without touching the throttle)....when your RPM increases and speed does not or slows, bump the trim down just a bump.... This will work with any boat load, and with the exhaust on that boat you can certinally hear the RPMs changing... :D Good Luck!

*trim gauge is just a general guide....propper trim at speed is "feel/hear" because with different loads/conditions "propper trim" is always changing.
Author:  gregs [ Wed May 18, 2011 12:24 pm ]
Post subject:  Re: Trim Settings
Lightning has the procedure spot on.

We don' need no stinkin' trim gauge.
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