Guess that Prop

Casagf66

Casagf66

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Nov 12, 2014
90
Jeanneau 42 Northport
DIY is the way to go and I love all the help we have out there on the WWW and Forums like this one. I really want to hand it to everyone hear for sharing your experiences with all of us New bee's :clap:.

Anyway , I have a propeller (see pic) but I dont know how on earth to remove this one. I know I need to take of the nut and get a prop puller and all that jazz but, whats with the cone and screw before the prop nut? (note I unscrewed the screw in the picture and it was sitting flush). Is this one big nut or two separate? Also which way do you turn the nut to loosen it? This girl has seen her day, she isn't bent but the blades are badly chipped so I want to take her off and get her reconditioned. I'm also replacing the cutlass so the prop must goo...

What do you all think of this strange and crazy old propeller?

Ohh and BTW only a few more weeks until spring up here in the North East :dancing: Woohh

Cheers,
 

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JohnVTX

JohnVTX

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Jul 14, 2015
840
Catalina 30 Stillhouse Hollow Marina
Looks like one big nut to me, as there is only one set of wrench indentations. Follow the threads to determine which way to turn. Appears counter-clockwise to me....
 
rgranger

rgranger

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Jan 19, 2010
12,657
Hobie 16 & Rhodes 22 Skeeter Charleston
That prop does not look too bad. You can probably get it polished and looking nice without too much problems. I'd balance it on the tip of a nail and make sure it hangs level as a way to make sure the three blades are balanced. Sort of like what you do when you balance a ceiling fan.
 
fstbttms

fstbttms

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Feb 26, 2011
1,440
Achilles SD-130 Alameda, CA
Obviously a French-built boat. The prop nut (cone shaped to accept an anode) is secured to the prop and nut with a special washer that has had an "ear" bent over one of the flat sides of the nut (it is a single nut, BTW, not two.) The washer also has a "tongue" that fits into the prop's keyway. In any event, simply flatten the washer out and the nut can be unscrewed, counter-clockwise like any other prop nut.

Also probably a good idea to use a new washer when reinstalling the prop.
 
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Casagf66

Casagf66

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Nov 12, 2014
90
Jeanneau 42 Northport
Darn French and thier over engineering... lol
 
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fstbttms

fstbttms

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Feb 26, 2011
1,440
Achilles SD-130 Alameda, CA
Upon closer inspection of your pix, is that anode screw broken off at the head?
 
Casagf66

Casagf66

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Nov 12, 2014
90
Jeanneau 42 Northport
fstbttms said:
Upon closer inspection of your pix, is that anode screw broken off at the head?
Click to expand
So the screw has a flat head and can be completely screwed (almost flush) into the nut. In the picture I un screwed it about half way out to make its appearance more prevelent. It's about an 1" long when removed completely.

What's the best way to brake the nut loose and any tips on how to hold the shaft in place when doing so?
 
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fstbttms

fstbttms

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Feb 26, 2011
1,440
Achilles SD-130 Alameda, CA
Casagf66 said:
So the screw has a flat head and can be completely screwed (almost flush) into the nut. In the picture I un screwed it about half way out to make its appearance more prevelent. It's about an 1" long when removed completely.

What's the best way to brake the nut loose and any tips on how to hold the shaft in place when doing so?
Click to expand
That screw is not what should be used to attach the anode, if you decide to install one. Typically you would use a flat-head machine screw.



As far as immobilizing the prop to break the nut loose goes, I use a length of 2x2 between the strut and rudder. Turn the prop until a blade catches the lumber and then put a pipe wrench on the nut.
 
Casagf66

Casagf66

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Nov 12, 2014
90
Jeanneau 42 Northport
hmmm well thank you kind Sir.

You have been a wealth of knowledge.

Have a great day!

I'll let you all know how it turns out
 
B

Bene

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Sep 1, 2014
1
Beneteau 351 Colonial Beach, VA
BTW, that appears to be the proper allen screw to secure an anode (which I don't see in your photos). This is important to have as it is the only zinc to protect your engine, shaft and prop. I need to put 2 new zincs on per year in my marina. Buy at West Marine, etc. It is a Myrtr zinc for Beneteaus. New screw comes with zinc.
 
Charlie Jones s/v Tehani

Charlie Jones s/v Tehani

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Mar 1, 2012
2,182
1961 Rhodes Meridian 25 Texas coast
Bene said:
BTW, that appears to be the proper allen screw to secure an anode (which I don't see in your photos). This is important to have as it is the only zinc to protect your engine, shaft and prop. I need to put 2 new zincs on per year in my marina. Buy at West Marine, etc. It is a Myrtr zinc for Beneteaus. New screw comes with zinc.
Click to expand
Pictures show a zinc on the shaft
 
capta

capta

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Jun 4, 2009
4,954
Pearson 530 Admiralty Bay, Bequia SVG
In case you care, you cutter seems to be mismounted as well. The blades should be against the strut, not the prop.
Once you've removed the nut, a bit of heat on the prop hub and it should literally pop right off the shaft.
 
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