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Go Back   SailNet Community > On Board > Gear & Maintenance > Help! Metric prop shaft creating road block! 1972 Dufour Arpege.
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Thread: Help! Metric prop shaft creating road block! 1972 Dufour Arpege. Reply to Thread
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Topic Review (Newest First)
11-12-2013 07:57 AM
sony2000
Re: Help! Metric prop shaft creating road block! 1972 Dufour Arpege.

There are online shops, with all sorts of Beneteau used parts, in France. They are cheap and ship.
11-12-2013 04:50 AM
pelias
Re: Help! Metric prop shaft creating road block! 1972 Dufour Arpege.

Quote:
Originally Posted by lawsonmitchell View Post
I can't seem to find any local shops willing to deal with getting a prop to replace the one I lost over two weeks ago! Help. I don't think I can afford a new prop shaft, cutlass bearing, stern gland and coupling just to switch to a 1" prop shaft. And no one wants to venture a guess as to the right diameter and pitch to the prop without seeing the old one. Well, if I hadn't have lost the old one, I wouldn't need a new one!

I want to go sailing again. HELP!
Lawson
can you help me do you think?

hello i hope your well i wonder if you can help me,
do you still have the dufour arpege 30? i am looking to change the cutless bearing as ours has worn out. can you give me any advice on this please, and might you have any pictures.

thank you in advance

Richard
03-04-2010 02:34 PM
ehjumpstar
Have Arpege prop

I repowered my 1972 Dufour Arpege about 3 years ago and
have the original prop.
Do you want it.

Eddie
12-01-2009 02:07 PM
lawsonmitchell OK. Here's where I stand. I've ordered the 25mm prop nut, lock washer, and anode from Beneteau. ($50.00) I've been advised they'll fit. When they arrive, I'll go swimming to confirm fit. If that works out, I've found a 12 x 8 LH with a 1 1/8 inch bore ($200.00) and a bronze reducer bushing ($86.00) to take the bore down to 25mm. If it all works (we'll see) then I'm back out sailing for $386.00. Less than an new prop, new shaft, new cutlass bearing, new stuffing box and new coupling... say $900.00-$1,000.00

Wish me luck!
Lawson Mitchell
11-30-2009 07:51 PM
75R20
Quote:
Originally Posted by tommays View Post
Ya

But then he needs a cutlass bearing and coupling and
On a vessel of that age, might he need these anyway ? I would think that loosing a prop, while the engine was running might have caused damage to these parts with the assoc. vibrations caused by a loose prop nut/prop.

Kary
SV Mariah #49080
11-30-2009 07:41 PM
tommays Ya

But then he needs a cutlass bearing and coupling and
11-30-2009 07:36 PM
75R20 Sounds to me like a used shaft in SAE (US demenisions) is your best way to go, as it will give you much more in options as far as props and hardware. It may not be what you want to do, but lets look at what went wrong in the first place;
1. You lost all the hardware that holds on the prop
2. The zinc is no longer attached ?
3a. The prop fell off while under way ?
3b. The prop is gone.
5. The prop shaft is damaged ?
6. The prop shaft threads are damaged ?

Buy a shaft and prop and move on, and perhaps increase your mantinence on the shaft/prop/zinc assembly in the future.
Good luck

Kary
SV Mariah #49080
11-30-2009 03:34 PM
tommays I made a call also and the issue is it does NOT pay for them to have a metric machine setup as its so rare for them
11-30-2009 03:20 PM
Fstbttms I just got off the phone with the manager of Bay Propeller, which is one of the largest prop repair facilities on the West Coast. He told me that metric-bore props are not something they sell! I am shocked. He said that you will likely not be able to find a new, metric-bore prop and that the bore reducer is the best way to go. I asked him about new nuts and he said they also would be hard to find, although they could fabricate something if push came to shove.

Well, I guess you learn something new every day. Maybe your best bet is to go with a larger standard prop and a bore reducer. Regarding the nut, you can buy the Beneteau prop nut and the zinc that goes on that. For additional protection, Boatzincs.com does sell limited clearance shaft zincs that will fit in the very small length of exposed shaft your boat has.
11-30-2009 03:06 PM
lawsonmitchell Fast Bottoms,

You say, "There is no compelling reason to not use a prop designed to fit on your 25mm shaft." I agree. But no one I've talked to yet (about 30 different shops) knows where to get metric prop nuts. A couple are looking into it. And I can't find any online. Do you have any resources? Also, the anode will have to mount on the prop nut as there is only about 1/2 inch of exposed shaft available between where the prop ended and the stern tube begins.

See pic at:
http://isurus.mote.org/~lmitchell/4D...3768eb73d0.jpg

Lawson
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