Thing to stop big hole in hull

hole stopper?

I keep onboard a 2.5 litre tin of car body repair paste (used to be called "isopon" or similar) many other brands exist.
Having been once on passage on a barge that was holed, skipper mixed up a big dollop, put it on a plastic sheet, dived overboard and squidged it over the damage.It sets underwater, but does not bond to wet surfaces.It did the temporary job and a small pump was able to cope with the remaining leak until this 40 tonner could be dry-docked.
Probably time to buy another tin now, as the stuff has a shelf-life of maybe only 18 months.
More uses than the subrella possibly, and could be used in conjunction with a sail or canvas over the hull.
Problem is a big hole say 4" across takes about 6 minutes or less to scuttle your vessel.So maybe strap a screwdriver across the lid ready for opening!Pity it does not come ready-mixed!Good sailing and boating to all!
 
fothering sail

Isn't it called fothering a sail?

I've got an almanac from about 1815 lurking around somwhere, the advice then was to take an old sail, cover it in tarred lint mixed with as much (cow) dung as you could muster, and slide it under the hull; apparently based on a technique deployed by the legendary captain Cook

not sure how well it works with grp...

R
 
On behalf of you lot :D Regarding the following company:

Subrella. The Emergency Hull Patch Supplier Subrella.
Contact Mr Jonathan Risley, Managing Director
Address Alma House, Alma Road., Reigate., RH2 0AX, United Kingdom
Telephone +44(0)1737 229 590
Fax +44(0)1737 244 739
Email sales@subrella.co.uk
Supplier Web Site http://www.subrella.co.uk


I telephoned the Reigate number and was told that the company has been bought out by a firm up in Liverpool. The new contact number and name is as follows:

Nick Young on 0151 243 1621

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Hi tudorsailor...... seems you may have to keep your finger in the dyke a little longer!

Was the enquiry because you have a problem or fear you may have one in the future?

I do not have a hole in the hull at present - as far as I know given that the yacht is in Mallorca!

I was just wondering about what I might do in an emergency.............

Diving under the yacht instead of manning the pump might be a difficult decision. I have read of people who have the water inlet for the engine on a T so that the intake can be closed and used to pump out water from the bilge. Does not cure the leak but might bide time to get things sorted. Probably not good to sit and ponder the what if. Comes from the prospect of no sailing for several months

Tudorsailor
 
There are materials that bond and go off under water. Dr Ding springs to mind from my windsurfing days. It comes like a stick of rock and is activated by manipulation. Not much use for anything bigger than a 10p but it would certainly fix cracks and smaller holes.
 
I've got an almanac from about 1815 lurking around somwhere, the advice then was to take an old sail, cover it in tarred lint mixed with as much (cow) dung as you could muster, and slide it under the hull; apparently based on a technique deployed by the legendary captain Cook

Can anyone recommend a good buoyancy-aid for a cow?
 
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