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Outboard Motor Tilt/trim For A Gt?

hydraulics lift 3 point

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17 replies to this topic

#1 Toolpartzman OFFLINE  

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Posted February 11, 2012 - 07:08 AM

Has anyone used a Tilt and trim unit for hydraulic lift on a GT? Some of these self-contained units are rather small, and many have tandem actuators (cylinders). Seems to me that since they're self-contained , that they could make a very clean set-up -- find one that fits, mount it up and bring in 12vdc for control.?? Nor forgetting that they need sufficient force of course.--I'm interested if anybody has tinkered with the notion ??--Thankx,Lee :orangecool:

#2 JDBrian OFFLINE  

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Posted February 11, 2012 - 07:21 AM

Lee, It seems I have seen a post in the past on this. I'm not into motorboats at all but it seems like a good source for a potential easy to add on hydraulic setup. Given the size and weight of some of the big outboards it may be strong enough to do the job just fine.
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#3 tinner OFFLINE  

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Posted February 11, 2012 - 07:31 AM

I was wondering the same thing. I had a unit off of a Sea Ray out drive and was going to try it but the unit was bad. The seal had leaked and everything was rusted beyond repair.
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#4 Michiganmobileman OFFLINE  

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Posted February 11, 2012 - 07:42 AM

That is also something I had thought about, would make for an easy attachment lift.
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#5 IamSherwood OFFLINE  

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Posted February 11, 2012 - 07:46 AM

Lee, this is also on my list of things to do.
No doubt it'll work. Think about the force they have to create to do what they do.
The one in this picture
http://gardentractor...post__p__124518

is off a large merc, and very expensive if you have to buy new. I think about $1100, the mechanic told me.
He gave me this one. It came off a coast guard boat. Nothing wrong with it. It was on the schedule for
replacement.
So when you go hunting, pick a donor motor that's very common, so you don't have to redesign things if
it fails on you. The one I have there, has 2 -14ga. wires, and you simply reverse them for up or down.
One thing you gotta watch, is that you mount it close to vertical, because of the oil from the reservoir
has to feed the pump.
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#6 IamSherwood OFFLINE  

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Posted February 11, 2012 - 07:53 AM

I'll call our mechanic, and get his input.
There are many different designs out there. Some are built right into the transom mount, and
not suitable. Others don't have the eye on the end of the rod.
He'll know which motor to hunt down.
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#7 JDBrian OFFLINE  

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Posted February 11, 2012 - 07:57 AM

Thanks Will. I have a friend who runs a small marine and may be able to get hold of one of those setups.
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#8 Toolpartzman OFFLINE  

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Posted February 11, 2012 - 08:04 AM

Lee, It seems I have seen a post in the past on this. I'm not into motorboats at all but it seems like a good source for a potential easy to add on hydraulic setup. Given the size and weight of some of the big outboards it may be strong enough to do the job just fine.

I hope it hasn't been discussed before-couldn't find anything. I called a guy recently who had some T/T parts for sale. He told me his dad used one successfully on a tractor-but knew nothing else. Yes,I agree some of these units are pushing some major weight. Sure has lots of potential IMO.

#9 Toolpartzman OFFLINE  

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Posted February 11, 2012 - 08:55 AM

I'll call our mechanic, and get his input.
There are many different designs out there. Some are built right into the transom mount, and
not suitable. Others don't have the eye on the end of the rod.
He'll know which motor to hunt down.

Thats what I was told. Some--due to the castings, etc.--are difficult to work with and some are real simple. He had one unit -needing a motor $150 and one complete $200, which may or may not be expensive considering that the correct find can save a lot of fabricating/designing reservoirs to fit/powering/driving the pump etc.

#10 IamSherwood OFFLINE  

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Posted February 11, 2012 - 08:57 AM

Do a search on Ebay, just to see what's real common out there.
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#11 Toolpartzman OFFLINE  

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Posted February 11, 2012 - 09:16 AM

Do a search on Ebay, just to see what's real common out there.

Right Will, E-Bay and CL could provide some info. We agree, these units have to push some serious load because-it seems to me they operate similar to a manual engine hoist--as a lever--with the base of the unit fixed (but rotates), the lever arm being the entire engine which rotates at the power head (fulcrum), then the T/T rod connected closer to the engine than the prop, and just those lower units can be heavier than some of the GT implements. I'm curious to know if you've load-tested your unit?

Edited by Toolpartzman, February 11, 2012 - 09:18 AM.


#12 IamSherwood OFFLINE  

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Posted February 11, 2012 - 09:21 AM

Right Will, E-Bay and CL could provide some info. We agree, these units have to push some serious load because-it seems to me they operate similar to a manual engine hoist--as a lever--with the base of the unit fixed (but rotates), the lever arm being the entire engine which rotates at the power head (fulcrum), then the T/T rod connected closer to the engine than the prop, and just those lower units can be heavier than some of the GT implements. I'm curious to know if you've load-tested your unit?



No, I haven't load tested it, but I will. Maybe today.
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#13 Toolpartzman OFFLINE  

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Posted February 11, 2012 - 09:31 AM

No, I haven't load tested it, but I will. Maybe today.

Wow, I just searched E Bay "Tilt and trim" and found 8 or ten on the first page. Several have the actuator separate from the power unit--Susuki, several Johnsons, Honda.---(No clue how to post those pics.). Seems theres more possibilities than I first thought.-

#14 Toolpartzman OFFLINE  

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Posted February 11, 2012 - 09:50 AM

Do a search on Ebay, just to see what's real common out there.

So far mostly Johnson---Same on CL 70s-to-80s, various HP, I think Johnson was the brand he mentioned. Unlike your unit with the internal plumbing, some of those were plumbed with rigid tube and appeared that you could separate.-Lee (which means the actuator could be mounted in any plane)

Edited by Toolpartzman, February 11, 2012 - 09:54 AM.


#15 olcowhand ONLINE  

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Posted February 11, 2012 - 11:31 AM

The old Mercruiser power trim units for inboard/outboard setups were separate from the cylinders, via small hydraulic lines, and would work great as an attachment lift system. The shock absorbers on the transom/engine were also the lift cylinders. I used to have one laying around, but no idea what happened with it.
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