Reply
 
Thread Tools Search this Thread
 
Old 10 November 2014, 10:58   #1
Member
 
W0LF's Avatar
 
Country: Germany
Town: Wilhelmshaven
Boat name: BEEE
Make: Osprey Sparrowhawk
Length: 5m +
Engine: Yamaha 70 EPTOL
Join Date: Apr 2012
Posts: 40
RIBase
Hypalon porous // how to Repair?

The Topside of the Tubes are porous:







The Tubes hold Air and do there job it's just the Optic that needs attention.
My Idea: Just another thin layer of Hypalon. But where can i buy that?
If i check Henshaw eg. i only find strong Hypalon.

Do you have any advise?
Greentings from Germany

Wolfgang
__________________

__________________
W0LF is offline   Reply With Quote
Old 10 November 2014, 11:21   #2
Member
 
Maximus's Avatar
 
Country: UK - England
Town: Wild West
Boat name: No Boat
Make: No Boat
Length: under 3m
Join Date: Jan 2008
Posts: 4,272
Send a message via AIM to Maximus
I must say I'm surprised they still hold air!!
What are the rest of the Tubes like?
I'm sure Henshaws could sort you out some Hyperlon cut to size if you have someone to overlay it.
Personally Id Definatly get a pro to do it...AND WHILE it still holds air ok!!..otherwise I reckon it'll be a re-tube.
As to "thin" Hyperlon,and I'm not sure there is such a thing!
Anyway,Why bother?...the normal grade opposed to the thicker grade/commercial will do fine.
Either way,by the look of the Tubes.. I reckon it'll only be a temporary solution.
How old is the RIB?...IF the rest is OK it may worth thinking about having the lot replaced,it's up to you to decide what is the most viable/economic solution.
__________________

__________________
A clever Man learns by his mistakes..
A Wise Man learns by other people's!

The Road to HELL ..is Paved with "Good inventions!"
Maximus is offline   Reply With Quote
Old 10 November 2014, 11:50   #3
Member
 
W0LF's Avatar
 
Country: Germany
Town: Wilhelmshaven
Boat name: BEEE
Make: Osprey Sparrowhawk
Length: 5m +
Engine: Yamaha 70 EPTOL
Join Date: Apr 2012
Posts: 40
RIBase
The rest of the Tubs are in good condition. The Osprey is from 1996 and i realy need only something for the upperside of the Tube. Why not 1300gsm you asked - very simple - thin = cheaper (hope so).
__________________
W0LF is offline   Reply With Quote
Old 10 November 2014, 13:11   #4
Member
 
Country: USA
Town: Oakland CA
Length: 3m +
Join Date: Feb 2005
Posts: 6,653
Hypalon fabric is a 3-ply affair: An inner lining of neoprene (makes it airtight), a fabric weave (usually polyester, I think; adds dimeneional strength), and the hypalon outer layer (resists sun and chemicals), all bonded together.

Gluing an additional layer of hypalon over the whole boat (or even just the upper sections) would be a pretty big job, IMO. Not so much the material, but the labor involved.

Maybe one of the hypalon paints would be a better and cheaper option? Some people have reported good results.

jky
__________________
jyasaki is offline   Reply With Quote
Old 12 November 2014, 07:26   #5
Member
 
Nick Hearne's Avatar
 
Country: UK - England
Town: Bucks
Boat name: Blue & Ding Dong
Make: Ribeye,SR4 & Bombard
Length: 6m +
Engine: 115,50 & 15Hp Yams
Join Date: Feb 2004
Posts: 3,242
If it where me I think hypalon paint would be the way to go to get a few more years out of it!
I'm keen on boat diy but would not start trying to cover the tubes, but for a pro it can be done with great results
__________________
Member of the Ribeye supporters club!!!
Member of Bombard 380 Aerotec club
Member of SR4 club
Nick Hearne is offline   Reply With Quote
Old 16 November 2014, 07:56   #6
Member
 
Country: UK - Wales
Town: Southampton
Boat name: DynaMoHumm/ SRV/deja
Make: Avon8.4, 5.4 & 4.777
Length: 8m +
Engine: Cat3126 Yam 90 &70
MMSI: 42
Join Date: Dec 2003
Posts: 6,556
bummer

I think the tubes material is suffering from Sun damage (polymerisation) and the stuff that you are trying to stick to isn't secure therefore it comes away after you have patched. I spent three very frustrating days trying to do a similar repair and could.t get any successful outcome.

Somebody that hasn't tried to do it may well believe it can be done and you are welcome to listen to them. The only way that you will patch this successfully is if you can find good material around the damage site and stick from that but it's going to be a big patch.

You may well find that a professional toober has another way of repairing it but I suspect not!

Therefore as much as I hate tube paint its the only way to go but its not a great way
__________________
Here it comes again, I don't stand a chance
Soul possession, Got me in a trance
Pullin' me back to you - Deja Voodoo
Rogue Wave is offline   Reply With Quote
Old 16 November 2014, 08:29   #7
Member
 
Country: UK - England
Town: Poole
Boat name: El Mono
Make: Ribtec 9M
Length: 9m +
Engine: Yanmar 315/Bravo III
Join Date: Aug 2012
Posts: 368
Mine were probably about as far gone as they could have been with sun/rope damage, and I very successfully had the bow recovered and then large wear patches added to the rear sections by RodellaRibs:

Max size for a wear patch?

Wear patches for 9m Ribtec
__________________
paulbrown22 is offline   Reply With Quote
Old 16 November 2014, 09:31   #8
Member
 
W0LF's Avatar
 
Country: Germany
Town: Wilhelmshaven
Boat name: BEEE
Make: Osprey Sparrowhawk
Length: 5m +
Engine: Yamaha 70 EPTOL
Join Date: Apr 2012
Posts: 40
RIBase
I really don't want to paint the tubes. The large wear patch idea sounds good. Maybe that could be the right way. Thank you all for you advise.
__________________
W0LF is offline   Reply With Quote
Old 19 November 2014, 16:57   #9
Member
 
Country: UK - Wales
Town: Southampton
Boat name: DynaMoHumm/ SRV/deja
Make: Avon8.4, 5.4 & 4.777
Length: 8m +
Engine: Cat3126 Yam 90 &70
MMSI: 42
Join Date: Dec 2003
Posts: 6,556
[QUOTE=paulbrown22;655907]Mine were probably about as far gone as they could have been with sun/rope damage, and I very successfully had the bow recovered and then large wear patches added to the rear sections by RodellaRibs:



i am really amazed that an effective repair could be done on fully delaminated tubes over the amount of surface area displayed in the OP's photo. Due to the fact that here is no substrate to adhere to as it falls away after the patch is applied.

Can I ask is your boat the blue tubed/white rubbing strake rib featured on Rodella's very good website? I ask that because that appears to have just rope/friction damage and therefore fixable as you have something to adhere to. If it is your boat they did a nice job.
__________________
Here it comes again, I don't stand a chance
Soul possession, Got me in a trance
Pullin' me back to you - Deja Voodoo
Rogue Wave is offline   Reply With Quote
Old 19 November 2014, 19:20   #10
Member
 
Country: UK - England
Town: Poole
Boat name: El Mono
Make: Ribtec 9M
Length: 9m +
Engine: Yanmar 315/Bravo III
Join Date: Aug 2012
Posts: 368
Hmm, not sure - mine's blue tubes black strake, but looks like there might be some photos on their Facebook thing at the bottom of the gallery page (or there's some on the Ribnet threads linked above).

I'm no expert at all, but yes, it had very severe rope/friction damage through the surface and well into the weave in places, and quite a bit of sun damage as well affecting the outer Hypalon layer, where this blue colour really seems to absorb the sun.

Given some of the areas were pretty large, I've certainly been very impressed so far with the work done, and the wear patches are holding perfectly after 14 months or so and the recovered bow for 2 years.
__________________

__________________
paulbrown22 is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off





Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -5. The time now is 11:24.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.