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Old 17 August 2008, 06:42   #1
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Bungs

I am new to ribbing. I bought a new rib in April. The bung was fitted by the (commercial) seller from the outside just before it was launched for the first time. It came out sometime during a day out in April/ May and was lost. The boat was sent back to the seller- having filled with sea water - and cleaned out etc with the bung refitted by the seller from the outside again before it was relaunched. Yesterday, a few weeks after it was re-fitted the new bung came out again sometime during a trip out and was lost again with the boat filling up again.

On both occasions the bung came out soon after the bilge pump was repaired by a representative of the seller.

Could a bung that had properly been inserted be dislodged replacing a bilge pump?Is it usual for the bung to come out? Or could it be a problem with the boat?
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Old 17 August 2008, 06:55   #2
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you need to post make of boat and bung type, to answer your question properlly.
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Old 17 August 2008, 07:38   #3
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Did you check the bung before and after every trip? It has been known for some little scrote to remove them on the slipway!!!
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Old 17 August 2008, 07:45   #4
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Have you got any pictures?
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Old 17 August 2008, 09:02   #5
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yes spot on, my bung lasted 10 mins in boat park! manufacturer sent me a new one foc & a spare which I always carry.

For something that costs so little a lost one can ruin a days boating, like the fuel hose primer bulb.

Cheers
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Old 19 August 2008, 07:25   #6
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It is a Ballistic 5.5m rib. The bung is an 'expandable' one apparently. It has a lever.

Has anyone known a bung to come out twice of a brand new boat without explanation?
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Old 19 August 2008, 07:45   #7
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Sounds like the lever has been caught in the flow of water and opened up!

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Old 19 August 2008, 07:47   #8
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I think I know the type you mean and have two of that sort on my rib.
Having owned it for two years, never has even one become detached by accident. It takes human intervention to flick the level and then a small struggle to remove.
Therefore I can only assume that to "loose" two would seem to be very unfortunate.
If your able, post a pic to see if we have the same.
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Old 19 August 2008, 12:11   #9
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seen issues with them before - some can be tightened on the inside of the stopper to expand more when closed - as can come out if not rally firmly plugged in.
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Old 19 August 2008, 17:41   #10
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I do not trust the lever action expansion type plugs. Get a line wrapped around one and guess what. I use the expansion type that has a brass machine screw with a T bar thru. it for tightening. It also has an adjustemnet nut on the inside so you can set it up so that there is a min. of tightening turns to lock it in place. I have also attached a copper wire to the inside nut attached to a 1/8" x 3" dia. copper rod in the bilge. This enables the bung to be removed without dropping in the dirt or getting lost and if it does come out it will not sink to the bottom. Also, I carry a spare.
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