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Old 27 July 2006, 07:16   #1
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Country: UK - Scotland
Town: Edinburgh
Boat name: Sula / Mingulay
Make: Ribcraft 7.8/4m avon
Length: 7m +
Engine: 300 hp outboard
Join Date: Oct 2005
Posts: 79
Cone Failure

Can anyone shed any light on a recent problem we have encountered with our rib. Its a 6.5m red bay that lies in oban on the west of Scotland and its about 5 years old.

We went up at the weekend and the starboard aft tube section was flat. On closer inspection the joint between the cone and the end of the tube had failed and air was escaping. We checked the other tube and it had the same problem, although hadnt failed at that time. A week later it had gone too!

We have been given conflicting advice - we have been told on one hand that it is just a simple re-glue and on the other hand that we need to replace the cones. Has anyone experienced a similar problem?

It seems a bit worrying that both cones have gone at the same time....

Ive tried to attach a picture but my comp doesnt seem to let me!!

Any thoughts would be appreciated
Alasdair
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Old 27 July 2006, 07:17   #2
ADS
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Country: UK - England
Town: Dorset
Length: 4m +
Join Date: Oct 2003
Posts: 1,410
Who does Redbay's tubes for them or is it in house? I would get in contact with whoever put them on...
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Old 27 July 2006, 07:26   #3
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Country: UK - Scotland
Town: Edinburgh
Boat name: Sula / Mingulay
Make: Ribcraft 7.8/4m avon
Length: 7m +
Engine: 300 hp outboard
Join Date: Oct 2005
Posts: 79
The tubes were done by Henshaws. They pointed us in the direction of a couple of repairers and said that occassionally this does happen....
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Old 27 July 2006, 07:33   #4
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Country: Other
Town: Stanley, Falkland Is
Boat name: Seawolf
Make: Osprey Vipermax 5.8
Length: 5m +
Engine: Etec 150
Join Date: Mar 2006
Posts: 3,688
I had similar problems with the blunt end of my Humber a few months ago if you do a search. On mine it was the fabric splitting along seams where the different sections of the cone are joined together. With only 300 hours use on the boat since new, I was most disgruntled...
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Old 27 July 2006, 08:41   #5
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Country: UK - Wales
Town: swansea
Boat name: Too Blue
Make: BLANK
Length: 8m +
Engine: Suzuki DT225
Join Date: Mar 2004
Posts: 12,791
Do you have pressure relief valves? It could well be the heat.
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