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Home >> General Discussion >> Cracks just aft of mast step
07/08/2018 19:18:00

nilten
Posts: 3
Hi all,
Our club has 4 RS500s, all about 8 years old. Two of these have developed horizontal cracks about 4 inches wide all the way through the fiberglass, just aft of the mast step in the cockpit.
 
Has anyone had similar issues, and have you done successful repairs on your own? I'm guessing that there is some kind of extra reinforcement below the mast step; does anyone know what it is?
 
My current plan is to grind out a 8"x6" area around the mast step and add 4 layers of glass there. Any suggestions you would have would be appreciated!
 
Cheers,
Nathan 



05/11/2018 10:08:00

cp
Posts: 2
Hi Nathan,
 
In August this year, my RS500 went spongey under the mast step following a large bang during a race. An investigation followed (cutting into the hull to look): All the supporting woodwork had rotted, including the king post. Insurance would not pay out claiming wear and tear. Result: >£1000 repair which is still in progress.
 
I am having an inspection hatch installed in the foredeck, to allow improved ventilation, and the rotten wood is all being replaced  with grp/carbon reinforcement so it will be significantly more resistant to rot. I will post the results once I get my boat back. I think the root causes were: water leaking in via the mast step when on shore, and insuficient ventilation capability due to single inspection hatch.
 
If you can access a fibreoptic camera or a go pro, attach it to a long stick and poke it up the inside to take a look at what's going on. 
 
best regards,
 
Chris 
 



05/11/2018 14:13:00

George Wilson
Posts: 5
On a previous boat I had several cracks in different areas of the cockpit floor/deck.  RS repaired this by cutting holes in the hull and getting access to the deck underside, and then repairing the thicker hull material which I gather is easier.   Good luck. 
George.  



13/11/2018 16:42:00

cp
Posts: 2
Hi Nathan,
 
In August this year, my RS500 went spongey under the mast step following a large bang during a race. An investigation followed (cutting into the hull to look): All the supporting woodwork had rotted, including the king post. Insurance would not pay out claiming wear and tear. Result: >£1000 repair which is still in progress.
 
I am having an inspection hatch installed in the foredeck, to allow improved ventilation, and the rotten wood is all being replaced  with grp/carbon reinforcement so it will be significantly more resistant to rot. I will post the results once I get my boat back. I think the root causes were: water leaking in via the mast step when on shore, and insuficient ventilation capability due to single inspection hatch.
 
If you can access a fibreoptic camera or a go pro, attach it to a long stick and poke it up the inside to take a look at what's going on. 
 
best regards,
 
Chris 
 



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