Permatrims on my twin 150s

[tara11]

Well I installed them, and we went out for a couple of days and alot of boat time, at first I used the tabs like normal with the trim tabs I have and was freaking out, ran like crap, but once I played with the motors and the trim tabs I have and got the feel and kind of figured it out, they are good, the boat holds much better in the seas, this day was about 2 to 4 ft seas, but with out the permatrims the boat would travel alot, now it does not, I like them, my gas is wayyyyyyyy better, without, I am always ( since I painted the bottom ) at somewhere between 1.7 and 1.9, now I am at 2.2 to 2.5, that works, any of you guys that have them , please give pointers on how you use the permatrims with your trim tabs, it is very different, and if they are not set right (trimming) then the drag is crazy, but once you find the spot, they are cool ! I found that I did not really have to lower my regulator tabs but one click !

 

[Bryan 2530]

Thanks for posting, this is on my list of projects. Look forward to others posts regarding permatrim on twins.

Do you have 150's or 200's??

 

[grouperjim]

Cool. To hit the sweet spot on my boat, which of course is completely different than yours with twins, in average seas I trim the motor up two bars, and the tabs down two bars. I have the tab position indicator which makes it very easy.

 

[tara11]

So, I am on the right track, just need to get on the water and play more !

 

[Porkchunker]

With my Cobra plates (similar to the Permatrims), I trim the motors up 3 bars (which brings the AV plate almost parallel to the keel, and then keep the tabs fully retracted unless the water gets rough. I generally leave the motors alone, but because the tabs are now much more sensitive, I can lower the tabs and get a better ride.

If the motor are too far in toward the transom, the plates will have a lot of up-angle to them, and be lifting the back of the boat quite a bit. Just a bit toward the transom from completely parallel is the sweet spot for my 2510 with twin F-115s.

Dave

aka

 

[tara11]

Hi guys, what is the trick to running in really rough water, other than staying home Got in yesterday and it was 37 miles of 3 to 5 ft seas, very confused and all over the place, we took the worst pounding, beating i have taken in a long time, so I am trying to find out how to use in the rough water, I will be heading out again next Tuesday for 6 days, so any advise would help it smooth water with a light chop, they are great, once the water gets rougher, either I am doing something major wrong, or ?

 

[hakr]

Hi guys, what is the trick to running in really rough water, other than staying home Got in yesterday and it was 37 miles of 3 to 5 ft seas, very confused and all over the place, we took the worst pounding, beating i have taken in a long time, so I am trying to find out how to use in the rough water, I will be heading out again next Tuesday for 6 days, so any advise would help it smooth water with a light chop, they are great, once the water gets rougher, either I am doing something major wrong, or ?

Slow down and keep the bow down.

 

[Porkchunker]

Rule #1: Tabs and Permatrims will not overcome the fact that the hull has a 16 degree deadrise.

Rather than get the XL, why didn't you get the DV? The 21 degree deadrise of the DV is more suitable for offshore work.

In another thread you indicate you are unhappy with the "performance" of the Permatrims and want to know how to fill the holes after you remove them. I provided guidance, but also recommend, you check the weather carefully and pick your days to go offshore, and see Rule #1.

Dave

aka