Propellers

jimmie

N/A
Joined
23 Feb 2002
Messages
237
Has anyone had a propeller fall off?
I just have on a 10 month old Beneteau!
 

burgundyben

Well-known member
Joined
28 Nov 2002
Messages
7,482
Location
Niton Radio
Is it a Volvo saildrive? I spent 1999-2001 racing on a J120 with a volvo saildrive and the prop fell off twice and got replaced once more......

burgundyben, coolest of men, by all I'm called, cool burgundyben.
 

ccscott49

Active member
Joined
7 Sep 2001
Messages
18,585
I had one fall off, when the nut and key were eaten away by electrolosis, the nut had a screw in it to lock it on, that was the first thing to go! Are you in a marina with earth probs? or do you have a leak to earth through your anodes and are your anodes ok? This is all worth checking.
 

jimmie

N/A
Joined
23 Feb 2002
Messages
237
Yes, I am in a marina with a power hook up and did have some trip problems last week but the anode was replaced in October. Is there a way to check earth leakage? Funnily enough at the same time I,ve had the engine coolant disappear without draining into the bilges!! I just hope that is not corrosion.
 

AndrewB

Well-known member
Joined
7 Jun 2001
Messages
5,848
Location
Dover/Corfu
Coolant loss.

The most likely way to lose all your coolant other than through a simple leakage, is via internal damage in your heat exchanger or your calorifier (if fitted).

If there is a chance that you are suffering extreme electrolysis problems, this could be the cause. Check the zincs in your heat exchanger.
 

jimmie

N/A
Joined
23 Feb 2002
Messages
237
Re: Coolant loss.

I think it is likely to be the calorifier. I was told that the anode was replaced in October so had not even considered electrolysis as a threat until the propeller fell off! I'm trying to get the boat out the water ASAP.
 
G

Guest

Guest
The entire prop shaft started working its way out through the hull of my 27 ft boat two years ago when I was off start point (with 4 and 2 year old children and an unimpressed wife). The first I knew about it was that the boat suddenly lost way. Engine note didn't change or anything. I thought I had lost the prop so went over the side with a mask. The prop and shaft were sticking out far too far. Another half an hour and we would have lost the lot and started shipping water through the tube quite fast! I spent a very cold twenty minutes manually pushing the whole thing back up into the boat and rotating it ten degrees at a time so that my wife could stick a bolt through the coupling and shaft to act as a kind of sheer pin. We had to repeat his process three times because the bolts kept.....sheering. I was very upset as I was well on the way to persuading my wife that the whole thing was perfectly safe as a family past time.
Jim
 
Top