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Tiller arm head slop

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Created by Cav30 > 9 months ago, 7 Apr 2017
Cav30
NSW, 121 posts
7 Apr 2017 12:22PM
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Ive read a few threads about this, however im not sure if I remove the bolt to fix up the slop, will the rudder fall off?

This would be bad as Im on a swing mooring.

Plan is to remove bolt and re-drill or bush.

Just dont want to have to call a diver to collect rudder.

Cant think the entire rudder mechanism hangs on by this one bolt which is deteriorating rapidly?Cheers
Ed

ecan
15 posts
7 Apr 2017 1:41PM
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Unfortunately it might - On my Farr the rudder shaft is held in by one 5/16 transverse bolt. If you're going to remove the bolt tie some seat belt webbing under the rudder blade and tie off to your stern cleats - just to be sure!

MorningBird
NSW, 2662 posts
7 Apr 2017 6:26PM
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Select to expand quote
Cav30 said..
Ive read a few threads about this, however im not sure if I remove the bolt to fix up the slop, will the rudder fall off?

This would be bad as Im on a swing mooring.

Plan is to remove bolt and re-drill or bush.

Just dont want to have to call a diver to collect rudder.

Cant think the entire rudder mechanism hangs on by this one bolt which is deteriorating rapidly?Cheers
Ed

Is it a skeg hung rudder? If so it is the same as MB and you can take the tiller off without a problem. If it is a spade rudder held on by that bolt, sell the boat. :-)
I doubt it is held on by the tiller, Cavs are good boats.

Pekeri
VIC, 81 posts
7 Apr 2017 8:29PM
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Hi Cav,
Looks very similar to mine. See link for removal.

pekeri.com/cgi-sys/suspendedpage.cgi?easy-photo-album=tools-and-rudder-removal

Regards

cisco
QLD, 12336 posts
7 Apr 2017 8:30PM
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A Cav 30 is a Cav 28 with the stern extended.

Cav 28 has a transom hung rudder.

Cav 30 has a spade rudder.

Best follow ecan's advice and capture it with something before you extract the bolt.

MorningBird
NSW, 2662 posts
8 Apr 2017 12:16PM
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cisco said..
A Cav 30 is a Cav 28 with the stern extended.

Cav 28 has a transom hung rudder.

Cav 30 has a spade rudder.

Best follow ecan's advice and capture it with something before you extract the bolt.


Surely the rudder is held in place with thrust bearings on the rudder post in the hull fixings. My positive view of Cavs will be seriously undermined if the rudder is held in place by that single bolt.

Cav30
NSW, 121 posts
8 Apr 2017 1:18PM
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Yep I would say the same as Pekeri. I will have a look for that pin in your picture 7. If it's there then I reckon I'm safe. Many thanks Pek.

Ed

Bruski068
VIC, 457 posts
8 Apr 2017 6:41PM
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Select to expand quote
Cav30 said..
Ive read a few threads about this, however im not sure if I remove the bolt to fix up the slop, will the rudder fall off?

This would be bad as Im on a swing mooring.

Plan is to remove bolt and re-drill or bush.

Just dont want to have to call a diver to collect rudder.

Cant think the entire rudder mechanism hangs on by this one bolt which is deteriorating rapidly?Cheers
Ed


If it doesn't have a pin holding it in place I'd seriously think about drilling a hole and putting a pin through it myself just so I'd feel more secure that if the bolt came loose out at sea the entire rudder wouldn't fall off, but that's just the way I think.

Chris 249
NSW, 3350 posts
8 Apr 2017 8:07PM
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The rudder may not drop off even if the single bolt came undone. Mine's held in by a single bolt of about 3/8". It's easy to pull it out and check the condition of the bolt because despite having a 2" ss shaft, the rudder floats. Quite a few other rudders have positive buoyancy.

Ramona
NSW, 7584 posts
9 Apr 2017 8:33AM
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Chris 249 said..
The rudder may not drop off even if the single bolt came undone. Mine's held in by a single bolt of about 3/8". It's easy to pull it out and check the condition of the bolt because despite having a 2" ss shaft, the rudder floats. Quite a few other rudders have positive buoyancy.


That's true Chris but there are a lot of Fibreglass rudders out there full of water. With my old yacht I made a net to fit under the rudder to catch it as it slid down. When I refit it it once again it had positive buoyancy and was not all that easy to line up. The positive buoyancy was a hindrance!

Chris 249
NSW, 3350 posts
9 Apr 2017 8:31PM
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Yep, I have to lash some anchor chain around mine to give it negative buoyancy to get it in and out, and arrange the lines to allow it to float the right way up so it can be lined up correctly. Fun job!

fishmonkey
NSW, 494 posts
9 Apr 2017 8:45PM
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Chris 249 said..
Yep, I have to lash some anchor chain around mine to give it negative buoyancy to get it in and out, and arrange the lines to allow it to float the right way up so it can be lined up correctly. Fun job!


that reminds me of this:

nebbian
WA, 6277 posts
9 Apr 2017 11:22PM
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Can't you just stick a G clamp around the head, tighten up the clamp and remove the bolt? The G clamp will keep that part firmly attached to the pivot, while you remove the bolt / do what you have to do.

Might be another option for inspection at least.

Cav30
NSW, 121 posts
10 Apr 2017 7:01PM
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Sorry this is sideways but thankfully you can see another large bolt. So it's safe to remove the tiller. I'm going to re bush or possibly very slightly larger bolt.
ed



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"Tiller arm head slop" started by Cav30