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post #1 of 12 Old 09-25-2007 Thread Starter
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Ball linkage

I am looking for a replacement ball & socket linkage between rudder tiller arm and autopilot angle indicator. It seems like a simple part - a couple of ball-head screws and a couple of sockets on threaded rod, but I can't seem to find it anywhere. Matching the size would be great (though I don't really know how they measure these things, the screws look to be about size 8).
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post #2 of 12 Old 09-26-2007
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Brak-

A good machine shop should be able to make them up for you. Chances are good that the autopilot manufacturer might make them as well.

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post #3 of 12 Old 09-26-2007 Thread Starter
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I tried autopilot manufacturer, but this is from the old autopilot (the ones from new one did not fit) and those guys don't really seem to care.

Custom making them might be an option but these seem like simple parts.
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You might also be able to find a similar linkage from another manufacturer or another piece of equipment.

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post #5 of 12 Old 09-26-2007
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Sounds like one of those things on the end of a tiller extension - maybe Harken or someone has one ...
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post #6 of 12 Old 09-26-2007
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Tierod end

Sounds like a tierod end. Any industrial supplier can help you out. 3/16 inch thread and up to inch sizes are common. Can be fine or coarse thread pitch.
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post #7 of 12 Old 09-26-2007
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Originally Posted by RXBOT View Post
Sounds like a tierod end. Any industrial supplier can help you out. 3/16 inch thread and up to inch sizes are common. Can be fine or coarse thread pitch.
The problem is getting in marine-grade stainless.

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post #8 of 12 Old 09-26-2007 Thread Starter
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Yep, this is what it is but it is tiny. 3/16" inch is about twice as big as that thing should be. Material is not all that important - it is in dry location. Current one has ball-head screws made of steel (probably stainless) but sockets are plastic (which is good, they have to flex a bit in extreme end positions).

Anything made by marine hardware manufacturers is about 2 sizes too big I am thinking RC models, may be. Simrad is quiet on that.
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post #9 of 12 Old 09-26-2007
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How about the end piece on one of those hydraulic hatchcover holders? You may be able to make it work.
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post #10 of 12 Old 09-26-2007
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try your local lawn and garden equipment dealer (kubota-john deere-new holland-zetor) Those ball links are used in many places on that equipment.

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