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 Catalina 25 Specific Forum
 Mechanical hatch lift		  New Topic  Topic Locked
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rrick
Captain

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USA
261 Posts
Initially Posted - 09/13/2011 :  19:14:05  Show Profile
I inherited one of these that gives 12' extension and ~400lbs force. Any ideas? It was a bit short for my pop-top and a little slow for an autopilot and does not stay locked for a boom vang. It is for marine applications and has 1/4 the value on the used market.
Molly Brown: 1967 Grand Banks 32-#34. Bronze, mahogany, teak, oak, with 120hp diesel to push all 10 tons. Currently an abuser of the bilge pump. Also... The Tall Rig Spirit: 1978, #973, Cast Fe Fin Keel on a Trailer
Edited by - rrick on 09/13/2011 19:16:24

GaryB
Master Marine Consultant

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USA
4304 Posts
Response Posted - 09/13/2011 :  21:01:04  Show Profile
Looks like a lift for an engine hatch on a power boat.
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Dave5041
Former Mainsheet Editor

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USA
3758 Posts
Response Posted - 09/14/2011 :  08:22:45  Show Profile
Is that cable an electrical connection or what?
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rrick
Captain

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USA
261 Posts
Response Posted - 09/14/2011 :  10:23:22  Show Profile
"lift for an engine hatch on a power boat" . Resale vs an electromechanical aluminum housed sealed wire stainless ram doesn't add up. Touch leads once it extends, again it retracts. Perfect for the pop-top if it was the longer version.
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Prospector
Master Marine Consultant

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Canada
3159 Posts
Response Posted - 09/14/2011 :  12:07:39  Show Profile  Visit Prospector's Homepage
Can you control how much it extends/retracts? Looks like a key component for a power-steering linkage to teh outboard.

Or as one of my old bosses would say "A solutuion looking for a problem"
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Ape-X
Admiral

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USA
662 Posts
Response Posted - 09/14/2011 :  12:11:38  Show Profile
Sounds like a great opportunity for installing that as one arm in a linkage system for the pop-top.
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rrick
Captain

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USA
261 Posts
Response Posted - 09/14/2011 :  15:08:42  Show Profile
It would be almost grand for two new lifts at the right length to balance both pop-top sides, and of course be even more a source of envy if you got the model that locked at extension. This one pushes under an inch a second and releases force without electricity applied, so no steering use, was the base model (still like $500). The pop-top gas struts are going on now and this lift is still headed to that purpose.
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Ape-X
Admiral

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USA
662 Posts
Response Posted - 09/14/2011 :  15:15:38  Show Profile
RRIck,
Did some quick figures, and tried looking up specs: The struts are 12 1/2" long? If you can mount the mechanical lift at a point 8 1/8" from the hinge point, the chord length is your 12" extension......using 95° as rotation angle of the pop top struts.....perhaps with the gas struts, lifting on one corner will be possible, otherwise try a releasable connection in the center of the top (forward or aft edge)to be hooked up when you want to raise and stowed away when not needed.
Edited by - Ape-X on 09/15/2011 03:32:36
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.