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Old 06-27-2012, 08:32 PM   #11
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Originally Posted by majbach View Post
The trim is VERY narrow range of operation. Three seconds on the button and I am at trailering position. Is this normal? My outboard takes closer to 10-12 seconds to travel the full range.
The Faria trim gauge jumps all over the place during trimming and takes a second to settle after releasing the button (anyone else observe this? Where is the sensor?)
That does not seem right, that is for sure. Have you tested this with motor off? Can you confirm that it is really going from Full Down to Full Up in only 3 seconds or could it be just the guage reading Full Up when outdrive is not really up?
So basically there are 2 trim senders on the outdrive. The Starboard side switch is the Trim Sender. This is what operates the guage and tells it how high the outdrive is. Generally this is adjusted to read dead on the Down line when Full Down. The Port side switch is the Trim Limit switch. This is the switch that kills the trim motor once you have reached partial Up. There is an adjustment for this where you measure from trim cylinder pins until you get it to be 20-3/4 inches (this is for my year A1G2 though). This limits the Trim to this range and you must use Trailer to get it Full Up.

Now if you really are going from Full Down to Full Up that fast, I would guess there is an issue on the trim pump or something. Never really played with this much but it is just a motor drive hydraulic pump with pressure relief valves and such. Maybe one has failed and is producing too much pressure causing it to extend the trim cylinders fully in seconds.

As far as the guage bouncing around, that could be a faultty guauge or a sign of the Trim Sender going bad. They are known for the wires falling apart right at the unit so inspect that if you can. I used Liquid Electrical tape on mine to seal them up and buy a bit more time on them. These are just simple variable voltage devices and you can monitor it with a meter if you have one. The Voltage reading should change smoothly as you trim up and down. If you see it going all over the place, it is probably bad.
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Old 06-28-2012, 01:41 AM   #12
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I have the Smart Tab II (1610) set-up on our 2400 SC3 (cuddy). IMO, they work, but are a PITA. The boots leak and then the struts go bad. The boat starts to really list and you have to pull it to see whats going on. After purchasing a set 4 replacements, I wished I had gone with electric trim tabs where you can adjust for load, especially while running under the night time 25 mph speed limit. I also didn't like the short bolts and limited number of nuts and washers they gave me. Again, JMO. I know a guy with a 21' open bow who really loves them, but I doubt he runs with the majority of the load in the rear of boat.
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Old 06-28-2012, 04:06 AM   #13
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That does not seem right, that is for sure. Have you tested this with motor off? Can you confirm that it is really going from Full Down to Full Up in only 3 seconds or could it be just the guage reading Full Up when outdrive is not really up?
<snip>
Thanks. I'll look into this and get back to ya so I don't steal this thread.
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Old 06-28-2012, 01:07 PM   #14
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I wished I had gone with electric trim tabs where you can adjust for load, especially while running under the night time 25 mph speed limit.
I used Bennett tabs on my SC3, probably the most useful improvement I've made to the boat, followed closely by the magnet that keeps the transom idoor n the open position without banging.

Dan
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Old 06-30-2012, 04:07 PM   #15
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I used Bennett tabs on my SC3, probably the most useful improvement I've made to the boat, followed closely by the magnet that keeps the transom idoor n the open position without banging.

Dan
Magnets? Dooh! 6 1/2 seasons of "Shut the damn door!" when I could have been in boating bliss?

Thanks for the heads up Dan. If Big Max doesn't drain my bank account this season, I'll get real tab actuators put on lil max this winter.
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Old 07-07-2012, 02:41 PM   #16
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I now have over 20 hours out on Lake erie with the new boat. I have added a few features, Lenco 12x12 trim tabs with Led read out (absolutely night and day in the hole shot and a godsend when considering how shallowing some of the western lake erie parts are. The boat has been fully serviced and gone over by my local marina and all parts replaced that was needed (not fun on the pocket book). I pulled the boat at the end of this week to figure out the propeller options, my local repair shop wants $90 plus tax to repair my 16 x 19 3 blade aluminum prop, seems a waste to me since I would like to find a better prop. My prop shop told me to go to a 4 blade, but I was concerned with the loss in overall speed since after tabs I can acheive 36mph at 4300rpm. Any ideas?
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Old 07-07-2012, 03:00 PM   #17
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Bleak,
As an engineer the prop question has baffled and frustrated me since getting a boat. I want there to be an equation, chart, or tool to tell me what prop is the best for my boat. Unfortunately that is not the case. From all the research I have done, you can use the mercury prop selection tool to try and determine the best prop, but that will really only be a starting point. Because every boat is different (loading, hull shape, tabs/no tabs, weight distribution, planned use) the bottom line is it's a preference thing and the only real way to figure out the right prop is find a good shop that will let you try a couple different ones out.

Good Luck.

-JP
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Old 07-29-2012, 12:39 PM   #18
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beyond,

I have the exact same boat with the exact same set up. Lenco tabs installed this year.

Difference is amazing with and with out tabs. After putting them on, there is now way this boat should be ever be run without tabs. Even my wife notices the difference riding as a passenger.

I can hit 45 mph on a clear day, but rarely do i ever run that fast, the ocean is usually too choppy.


I have an aluminum 3 blade 19p prop. Was thinking of going to something similar in stainless steel. Let me know what you end up with and how you like it.
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Old 07-31-2012, 10:23 PM   #19
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I have a 1996 not the gen 2 BUT sounds just like a heated conversation I had with the salesman that promised me the boat would do mid 40s. I traded a 19 ft bayliner 5.0 4 barrel 50-55 mph so i was used to it and really talked about speed when picking this out. Long story short we split the cost of a steeper pitch stainless prop now I can 45 on a good day but always over 40 and no tabs needed at all.
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