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08 December 2007, 11:41
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#1
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Member
Country: UK - England
Town: Poole
Length: 6m +
Join Date: May 2000
Posts: 406
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MAIB report - RIBQUEST owners
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08 December 2007, 13:21
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#2
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Member
Country: UK - England
Town: Southampton
Boat name: Yoda & Obi Wan
Make: XS700
Length: 7m +
Engine: 200 HP
Join Date: May 2004
Posts: 1,032
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08 December 2007, 15:36
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#3
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Member
Country: UK - England
Town: Gosport
Boat name: April Lass
Make: Moody 31
Length: 9m +
Join Date: Aug 2001
Posts: 4,951
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Al has posted some scary photos on YBW.com including the damage to the rib.
http://www.ybw.com/forums/showflat.p...page/0#1673942
Photos show 6 self tappers holding the seat in with an ordinary sealant 
Pete
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Ribnet is best viewed on a computer of some sort
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08 December 2007, 15:39
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#4
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Member
Country: UK - Wales
Town: swansea
Boat name: Too Blue
Make: BLANK
Length: 8m +
Engine: Suzuki DT225
Join Date: Mar 2004
Posts: 12,791
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Self tappers are the spawn of the Devil - I would NEVER use them on anything!!!
There was an accident a while ago when a console came off a RIB because it was only held on with self tappers - why do they do it???
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08 December 2007, 19:16
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#5
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RIBnet admin team
Country: UK - Scotland
Boat name: imposter
Make: FunYak
Length: 3m +
Engine: Tohatsu 30HP
MMSI: 235089819
Join Date: Sep 2005
Posts: 11,627
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The report is not on the MAIB website yet so presumably it is out for consultation with the "stakeholders" and Al has posted the draft report/findings on the YBW site?
I realise that these things take time - but given that the report has been written why has "safety bulletin 2/2007" (as mentioned in the report) not been circulated and posted on the website. Surely the priority should be to get that information of a potential manufacturing fault out to every ribquest owner ASAP.
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08 December 2007, 20:21
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#6
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Member
Country: UK - Scotland
Make: HumberOceanOffshore
Length: 8m +
Engine: Volvo KAD300/DPX
Join Date: Oct 2002
Posts: 5,596
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Quote:
Originally Posted by codprawn
Self tappers are the spawn of the Devil - I would NEVER use them on anything!!!
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 It ain't what you do, it's the way that you do it....
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JW.
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08 December 2007, 20:35
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#7
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Member
Country: Other
Town: San Carlos, Mexico
Boat name: INDE
Make: LOMAC 730
Length: 7m +
Engine: 200 Merc.
MMSI: Please press 1
Join Date: May 2006
Posts: 1,688
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Quote:
Originally Posted by jwalker
It ain't what you do, it's the way that you do it....
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I agree, nothing wrong with them if done properly. Certainly Ok for shear load applications, not Ok for high tensional loads.
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Running around like a head with it's chicken cut off.
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08 December 2007, 20:49
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#8
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Member
Country: UK - England
Town: Warrington/Anglesey
Make: Menai 480SR.
Length: 4m +
Engine: Tohatsoooooooo 70hp
Join Date: Sep 2005
Posts: 665
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How did the A frame get damaged? was during the collision with the second vessel?
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Yoyo.
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life's full of ups "n" downs.
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09 December 2007, 00:57
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#9
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Member
Country: UK - Wales
Town: swansea
Boat name: Too Blue
Make: BLANK
Length: 8m +
Engine: Suzuki DT225
Join Date: Mar 2004
Posts: 12,791
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Quote:
Originally Posted by jwalker
It ain't what you do, it's the way that you do it....
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Give me bolts and washers any day. Failing that pop rivets. I put up a tin shed the other day which came with 1000s of self tappers. They were shit so I then drillled out each hole and stuck a pop rivet in - what a difference. If I ever want to dismantle I will just drill them out!!!
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09 December 2007, 08:58
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#10
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Member
Country: UK - England
Town: Hamble
Length: 9m +
Join Date: Dec 2002
Posts: 2,317
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Quote:
Originally Posted by jwalker
It ain't what you do, it's the way that you do it....
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Absolutely, the most used fastening in the marine industry, and if used correctly they are the best!
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It is better to remain silent and be thought a fool, than to speak and remove all doubt!
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09 December 2007, 14:55
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#11
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Member
Country: UK - Wales
Town: swansea
Boat name: Too Blue
Make: BLANK
Length: 8m +
Engine: Suzuki DT225
Join Date: Mar 2004
Posts: 12,791
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Quote:
Originally Posted by Dirk Diggler
Absolutely, the most used fastening in the marine industry, and if used correctly they are the best!
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mmmmmmm...................
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09 December 2007, 15:54
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#12
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Member
Country: UK - England
Town: Gosport
Boat name: April Lass
Make: Moody 31
Length: 9m +
Join Date: Aug 2001
Posts: 4,951
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Having had to use an angle grinder and crow bar to take a jockey seat of out of a ribtec I don't have a problem with 30+ self tappers and a good bond with sikaflex, but 6 self tappers and some bathroom sealant 
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Ribnet is best viewed on a computer of some sort
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09 December 2007, 16:36
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#13
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Member
Country: UK - Scotland
Make: HumberOceanOffshore
Length: 8m +
Engine: Volvo KAD300/DPX
Join Date: Oct 2002
Posts: 5,596
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Quote:
Originally Posted by codprawn
I put up a tin shed the other day which came with 1000s of self tappers. They were shit so I then drillled out each hole and stuck a pop rivet in - what a difference.
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I think you may find that those self tappers were stainless steel, for a good reason. I agree they can be a bit grumpy to screw through steel but a drop of lubricant sorts that.
If your pop rivets are steel, they're gonna rust and the type with zinc plating don't last much longer. If you used aluminium rivets, they'll sacrifice themselves for the steel panels. And, unless you are lucky, the wee bit of the pull nail left inside the rivet is not always tight so the rivets might leak.
Quote:
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If I ever want to dismantle I will just drill them out!!!
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You may not have to.
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JW.
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09 December 2007, 18:52
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#14
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Member
Country: UK - Wales
Town: swansea
Boat name: Too Blue
Make: BLANK
Length: 8m +
Engine: Suzuki DT225
Join Date: Mar 2004
Posts: 12,791
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Nope the shed is so much more solid now - the rivets have pulled it up nice and tight. Yes they are ally rivets in steel - bit like a landrover really - the shed isn't going to see much salt water so it will last long enough!!!
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09 December 2007, 20:21
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#15
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Member
Country: UK - Wales
Town: Pwllheli-North Wales
Boat name: V-ONE
Make: Highfield
Length: 8m +
Engine: Honda 250hp
Join Date: Mar 2001
Posts: 2,367
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Quote:
Originally Posted by jwalker
I think you may find that those self tappers were stainless steel, for a good reason. I agree they can be a bit grumpy to screw through steel but a drop of lubricant sorts that.
If your pop rivets are steel, they're gonna rust and the type with zinc plating don't last much longer. If you used aluminium rivets, they'll sacrifice themselves for the steel panels. And, unless you are lucky, the wee bit of the pull nail left inside the rivet is not always tight so the rivets might leak.
You may not have to. |
What about Stainless Rivets  They are just great !
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09 December 2007, 21:53
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#16
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Member
Country: UK - England
Town: Farnborough
Boat name: Narcissus
Make: Cobra
Length: 7m +
Engine: Optimax 225
Join Date: Jul 2003
Posts: 2,364
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Mmm. Sikaflex is the devils spawn! Twice now I've had to resort to extreme (destructive) measures to remove a sikaflex bonded item.
Quote:
Originally Posted by Pete7
Having had to use an angle grinder and crow bar to take a jockey seat of out of a ribtec I don't have a problem with 30+ self tappers and a good bond with sikaflex, but 6 self tappers and some bathroom sealant |
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09 December 2007, 22:44
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#17
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Member
Country: UK - Scotland
Make: HumberOceanOffshore
Length: 8m +
Engine: Volvo KAD300/DPX
Join Date: Oct 2002
Posts: 5,596
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Quote:
Originally Posted by Matt
Mmm. Sikaflex is the devils spawn! Twice now I've had to resort to extreme (destructive) measures to remove a sikaflex bonded item.
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Me too, and it fekkin tore the first layer of lamination off!
Mind you, I did hit it with a big hammer.
Actually, I reckon it can be better than using fibreglass to hold down a seat or consol if the deck resin has been allowed to cure before the seat is fixed into place.
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JW.
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09 December 2007, 22:46
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#18
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Member
Country: UK - Wales
Town: swansea
Boat name: Too Blue
Make: BLANK
Length: 8m +
Engine: Suzuki DT225
Join Date: Mar 2004
Posts: 12,791
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Which Sikaflex is this - they seem to do all sorts - I need some soon.
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09 December 2007, 23:21
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#19
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Member
Country: UK - Scotland
Make: HumberOceanOffshore
Length: 8m +
Engine: Volvo KAD300/DPX
Join Date: Oct 2002
Posts: 5,596
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Cod, I think the one I was using wasn't genuine Sikaflex it was a general purpose equivalent sealant sold by my motor factors. It was called Tigerseal.
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JW.
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10 December 2007, 07:51
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#20
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Member
Country: UK - England
Town: Hamble
Length: 9m +
Join Date: Dec 2002
Posts: 2,317
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Quote:
Originally Posted by codprawn
Which Sikaflex is this - they seem to do all sorts - I need some soon.
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SIKA 292 is an adhesive, most of the others are sealants.
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It is better to remain silent and be thought a fool, than to speak and remove all doubt!
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