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Old 21-06-2016, 09:58   #16
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Re: A gift from the bilge monster

Marathon Lady, is it a round pin or a square key?
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Old 21-06-2016, 10:07   #17
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Re: A gift from the bilge monster

Mine gave me a very nice torque wrench!
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Old 21-06-2016, 10:54   #18
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Re: A gift from the bilge monster

On pre-purchase survey of my boat the shaft was seen to have play in the coupling flange. Replacement of shaft and work were negotiated into contract. When yard went to remove shaft to inspect they found no key in the keyway, and the key lying below in the bilge sump. For 100s and 100s of hours the shaft was held by 2 set screws set in dimples in the shaft 😁😁
All fixed now. A cautionary tale that luckily didn't end with the shaft shooting out the back of boat.


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Old 21-06-2016, 11:10   #19
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Re: A gift from the bilge monster

round keys no make sense, but if it is, something is now not locked into place.
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Old 21-06-2016, 12:51   #20
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Re: A gift from the bilge monster

Round pins this size and shape are used as shear pins in several brands of thrusters (Side Power, for example) and a number of outboard motors use them as shear pins within the prop - such as Suzuki <5 hp.

That doesn't mean this is what it is, just what it could be. Do you have a thruster? a dinghy outboard? If so, save it as a shear pin.
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Old 21-06-2016, 13:19   #21
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Re: A gift from the bilge monster

Looks squared off to me.
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Old 21-06-2016, 15:36   #22
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Re: A gift from the bilge monster

In either event, it need not be worrisome. It was most likely "lost" in the process of a repair, and then replaced with a new one by someone who did not want to be slowed down by a bilge search. .....Of course, how can you know for sure? ;-)

I must say, that in the picture, to me the object looked squared off as would a key, but, the pic also was blurry to me, and if it is round, indeed it is a dowel pin, and not a key.

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Old 21-06-2016, 15:55   #23
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Re: A gift from the bilge monster

Quote:
Originally Posted by marathon lady View Post
Like most boats I have a monster living in the bilge that consumes anything that happens to be dropped, to day my monster gave something back can anyone help in identifying where this may have come from. I have a beneteau 430 with a perkins prima 50 motor, recently had work done on the heat-exchanger, high pressure fuel pump and water pump.






Attachment 126657
It's the 2.5cm "Bowstitch" pin, the primary pin used to securely lock the mast to the keel in all Beneteau 430s. You should just throw it in the trash, because its not really needed unless you get caught in big seas with winds over 47.85 knots.
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Old 21-06-2016, 16:04   #24
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Re: A gift from the bilge monster

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Originally Posted by Cadence View Post
I would have to agree that it is a dowel pin. Probably one driven out during repairs.
Looks like a dowel to me. Had one fall out of a steering pedestal once. Older chain/cable systems had a straight pin driven in - that particular Maxi 108 had a slight problem keeping the thing in place. Not my boat, but I believe it was eventually fixed with something a little more secure.
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Old 21-06-2016, 16:25   #25
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Re: A gift from the bilge monster

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Originally Posted by PortClydeMe View Post
It's the 2.5cm "Bowstitch" pin, the primary pin used to securely lock the mast to the keel in all Beneteau 430s. You should just throw it in the trash, because its not really needed unless you get caught in big seas with winds over 47.85 knots.
Wrong. That's medium seas with
wind over 47.23 knots and
then your keel falls off.
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Old 21-06-2016, 19:45   #26
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Re: A gift from the bilge monster

Thanks for your response it is round no flat surfaces
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Old 21-06-2016, 19:50   #27
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Re: A gift from the bilge monster

The pin is round no flat surfaces, it appears to have some green paint (same color as the motor) on one end.
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Old 21-06-2016, 20:03   #28
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Re: A gift from the bilge monster

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Originally Posted by jongleur View Post
Wrong. That's medium seas with
wind over 47.23 knots and
then your keel falls off.
Yes, that was true with the original Bowstitch pins, the "Bowstitch Mark I"s.
However, the new titanium Bowstich Mark III pins can handle 0.62 knots more wind and heavier seas.

Word on the street is that Beneteau is now in the final stage of patenting their new liquid "Mastkeel(TM)" super adhesive which will finally do away with those pesky Bowstitch pins once and for all.
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Old 21-06-2016, 20:05   #29
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Re: A gift from the bilge monster

If you look at the parts diagram of a Raritan flux gate regulator with vented loop, it looks exactly like part number 23, Flux Gate Locator Pin.
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Old 21-06-2016, 21:12   #30
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Re: A gift from the bilge monster

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Originally Posted by PortClydeMe View Post
Yes, that was true with the original Bowstitch pins, the "Bowstitch Mark I"s.
However, the new titanium Bowstich Mark III pins can handle 0.62 knots more wind and heavier seas.

Word on the street is that Beneteau is now in the final stage of patenting their new liquid "Mastkeel(TM)" super adhesive which will finally do away with those pesky Bowstitch pins once and for all.

Maybe they'll use this new adhesive to glue together the plywood boxes that hold their rudder bearings too.


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