Mystery sound for $100

When the boat is on a very calm water I can hear a "bobbling" sound behind the coolers high in each hull. It's like something is floating around in there is hitting this sides. Any ideas? There is no water in the hull. JC

could it be thedrain exit? That is approx where it is

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Brooks

Have you tried looking inside of the hual through the drain plug? Open the coolers to allow some sunlight in and look forward through the drain plugs you will be able to see the coolers. You can also see if the drain hoses are hooked up.

Hope this helps!
TP

G'day jc321
I might have an answer to your mystery sound quiz...if your tramp is too loose your hull/s may be wobbling ever so slightly and knocking on your crossbeams. The sound will carry right through the hulls and be hard to pinpoint. It will be noticable in calmer water due to less background noise of the rushing water and your yahoooing! The tramp tension effects the stability of the hulls on the crossbeams so check it out. Another thing you could do is try to wobble the hulls manually when the boat is floating in knee deep water and see if they make the mystery sound. I had a "hull wobble' and fixed it by re-tensioning the tramp.
I hope this works - let me know - good luck.
dom 2103

Hey Guys thanks - No sailing for me this weekend but I'll take a look when I am back on water.