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Go Back   SailNet Community > General Interest > General Discussion (sailing related)
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  #11  
Old 07-08-2013
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Re: Replacing propellor in the water?

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Originally Posted by jimgo View Post
My visibility is likely to be 2-3', if I'm lucky.
That's plenty. Could you wish for more? Yes. But that's enough to do the work just fine.
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Old 07-08-2013
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Re: Replacing propellor in the water?

It can certainly be done with 2' vis. but I've found that the time it takes to orient yourself when it's that cloudy takes up a lot of holding-your-breath time. Just groping around for tools in poor vis. takes a lot of time. I've done stuff like this in minimal vis. It really makes it difficult when you can't see very far. People who dive for a living get used to poor/0 visibility but it's disconcerting to us who just do it occasionally and usually out of necessity, most often cutting stuff off props. I once changed a 20+" wheel one of my previous powerboats this way and had no problem.
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Old 07-08-2013
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Re: Replacing propellor in the water?

I also don't have a prop puller. I do have a few fairly large C clamps, but no prop puller.
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Old 07-08-2013
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Re: Replacing propellor in the water?

Breath-holding or no, good visibility or no, don't waste your time in the water if you can't get your hands on a prop puller. And I'm sure someone will suggest a 3-armed gear puller, but that would be next to useless, especially without an air supply.
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Old 07-08-2013
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Re: Replacing propellor in the water?

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Originally Posted by Fstbttms View Post
Breath-holding or no, good visibility or no, don't waste your time in the water if you can't get your hands on a prop puller. And I'm sure someone will suggest a 3-armed gear puller, but that would be next to useless, especially without an air supply.
+1 on that. No actual prop-puller, don't do it. You'll wind up beating on the back side of the prop and creating a real problem.
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Old 07-08-2013
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Re: Replacing propellor in the water?

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Originally Posted by jimgo View Post
I also don't have a prop puller. I do have a few fairly large C clamps, but no prop puller.
scuba is a necessity, what are you going to do if you get hung up on something...?not worth drowning over...and you will be surprised how strong shirt material is...30 sec work sessions is tough.

C clamps are a pain underwater, especially if you are going to hold your breath. but not having a puller is all but a show stopper for do it yourself. It is really hard to position, hold and tighten a C clamp with only two hands. You also need something to hold your tools, as if they are dropped...the 2' vis is not going to help.

2' vis should be an easy peasy environment to do the work in, you will need to be close in for most of this anyway.

I use small wrist tethers on most frequently used tools and bands on my forearm to hold wrenches and screwdrivers, etc....you need to know where each tool is, or at least be able to find it by feel.

Have a great time. If you decide to do it sans scuba and with C clamps, please know when to say when and leave it to a qualified person.
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Old 07-08-2013
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Re: Replacing propellor in the water?

Back about 5 years now. I was shocked how hard it was to get the prop off the shaft. (bronze on SS) Only when a friend loaned me a "Snap ON" heavy duty puller did it come off and that was with some tapping. This was while on the hard too.
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Re: Replacing propellor in the water?

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Originally Posted by deniseO30 View Post
I was shocked how hard it was to get the prop off the shaft.
Some are, some aren't. A lot of factors come into play- age, corrosion, galling, damage to prop, shaft or key etc., etc. I've had props come off with in my hands and others that have required the puller be left on under tension overnight.
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Re: Replacing propellor in the water?

If you go to my "Apparently I'm not meant to have a boat" thread, you'll see what my luck is like. I think I'm better off either: 1) biting the bullet and ordering the prop so it can be installed before the boat is splashed; 2) waiting until next season on the new prop; or 3) paying for a (hopefully) short haul-out and pulling the prop. Option 2 is most likely going to be the winner, unless the engine work comes out WAY under budget.
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Re: Replacing propellor in the water?

I can't tell you what paying a diver would cost you in your neck of the woods, but here in the Bay Area, prop R&R is $10/inch diameter. You'd probably be looking at $150-$170 or so.
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