Catalina 36MKii prop shaft and rudder removal? - SailNet Community

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Old 08-14-2013
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Catalina 36MKii prop shaft and rudder removal?

Can anyone tell me if the rudder has to be dropped to remove or re-install the prop shaft on a Catalina 36 Mkii?
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Old 08-14-2013
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Re: Catalina 36MKii prop shaft and rudder removal?

I do not have a Catalina 36 however on my 36fter the strut is off set just a few inches to allow the shaft to be removed without dropping the rudder. Come to think of it I have been in a boat yard or two where there was shaft work down on Catalinas and there were no rudders missing. Can you imagine having to drop your rudder every time you need to pull the shaft for stuffing box service or cutless bearing replacement? My .02 cents worth.

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Old 08-14-2013
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Re: Catalina 36MKii prop shaft and rudder removal?

I'm pretty sure there is a C-36 owners website. You might want to google it. I belong to the C-34 website and it is Very active and extremely helpful. Any question I've ever had about my boat, I can find answers there.
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Old 08-15-2013
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Re: Catalina 36MKii prop shaft and rudder removal?

Go here:

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Old 08-15-2013
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Re: Catalina 36MKii prop shaft and rudder removal?

Quote:
Originally Posted by Bradhamlet View Post
Can you imagine having to drop your rudder every time you need to pull the shaft for stuffing box service or cutless bearing replacement? My .02 cents worth.
Yup, because it's better then not being able to steer so well in reverse in one direction. A lot of boats have the rudder and propshaft both on the centerline. The previous version of my boat (Pearson 28) had the propshaft offset, and they moved it back to the centerline for my version.

You don't need to fully remove the prop shaft to replace a stuffing box, it just needs to move enough to give access to pass the stuffing box over the end. I did this on my boat last winter. There are also tools to remove a cutless without pulling the prop shaft.

I would need to drop my rudder to fully replace the prop shaft. Based on looking at other hauled out boats this appears to be quite common.
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Old 08-15-2013
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Re: Catalina 36MKii prop shaft and rudder removal?

Just because the prop shaft and the rudder are on the center line doesn't mean you have to drop the rudder. It depends on how much wiggle room you have.

With the prop off and the split flange off the shaft at the transmission end the side play in the shaft tube gave me just enough room to slide the shaft past the rudder.

A bit of dish detergent as lubricant helps a lot and won't damage the cutlass bearing (if you're not replacing it anyway). Also make sure to sand off any barnacles or accumulated anti-fouling before trying to slide the shaft out.

Disclaimer: I have a PSS dripless shaft seal. Not sure if a stuffing box would make this easier or harder.
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Last edited by JimMcGee; 08-15-2013 at 09:51 AM.
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Re: Catalina 36MKii prop shaft and rudder removal?

You can replace the cutlass bushing on a C36 without removing the shaft using a cutlass bushing removal tool.

I'm not sure if removing the bushing would allow enough play to allow the shaft to slide past the rudder.

I saw photos from one irate C36 owner where a boatyard had turned the rudder hard over and cut a hole for the shaft to pass through. If the hole were properly glassed up it actually might be a cost effective solution.
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Old 08-22-2013
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Re: Catalina 36MKii prop shaft and rudder removal?

I installed the shaft today. We had the trans out and the stuffing box out and was able to get the shaft in with about 1/4" clearance.
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