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Old 12 October 2016, 04:48   #1
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Wear patches

Finally got the Northcraft out!!
Tubes have previously been replaced and are in great shape! As I intend to use the rib and have an 11 year old daughter that loves to use it as a climbing frame, I'd love to fit wear patches but no idea where to get them? Any suggestions would be greatly appreciated. Thanks in advance!!
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Old 13 October 2016, 08:28   #2
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Hi Nordburg 2001

We can supply hypalon wear patches or various non slip options precut to size and pre sanded.

I can be contacted by pm or via the phone or email if you follow the link to our website
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Old 14 October 2016, 12:04   #3
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Wear patches are a good idea,and will prolong the life of the Tubes for sure.
I'd get a pro to fit them though,as it's not as straight forward as you'd imagine...and can spoil all you're good work if you get it wrong.
Your Northcraft looks good...And from what I've seen in the past they're well built! All the Best with Her!
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Old 14 October 2016, 14:22   #4
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I'm thinking of some wear patches for my osprey .what do you mean by its not as straight forward as you would imagen. I was going to deflate to just enough pressure to keep the tubes shape and fit them
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Old 15 October 2016, 05:41   #5
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Quote:
Originally Posted by beerbelly View Post
I'm thinking of some wear patches for my osprey .what do you mean by its not as straight forward as you would imagen. I was going to deflate to just enough pressure to keep the tubes shape and fit them
The placement has only got to be millimetres out to totally spoil the whole look of the Boat for One!..and on a elliptical and possibly tapered Tube surface is not easy to line up and space to get 100% right.
Next... when they've (or you) marked it out they (or you) totally remove the top layer of Hyperlon...(something again you don't want to over cook!) with an abrasive pad (right to the EDGE of the wear patch to ensure good adhesion!)...No going back then!

They (the pros) will not only have all the tools like rollers and clean up chemicals ect,but also ensure the right curing times for both the glue on the Patches...often applied long (many hours) before the glue to the Tubes..and the right temperature and humidity ,which can be crucial!...to make make sure it all goes the way it should!...and give the longevity to the job under all the use/abuse and flexing it will most certainly get in the years to come.
Fkcing up the application of wear patches in the grand scheme of things IMO is simply not worth the risk for the money it costs....but that's just me
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Old 15 October 2016, 06:15   #6
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Are your tubes really elliptical?
Tapered tubes would certainly be harder, although I suspect there is less call for wear patches on such boats, and even where there is it tends to be aft the beam where there is less/no taper.
That said gluing hypalon is essential a right first time job and getting it smooth and bubble free with a big sticky patch is not where I'd want to start...

I guess the criticality of humidity and temperature might be reduced for a wear patch that doesn't actually hold pressure or any real force, but at this time of year I would suggest you want a clean, warm, dry workshop to do it in, and by the time you've bought solvent, glue, clean rags, scourers, brushes, too much fabric etc you will be well on the way to the cost of getting a pro to do it. Of course if you have a long tow and ferry fares to contend with etc then the whole balance changes which is something easily forgotten by those in the rib heartlands!
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Old 15 October 2016, 06:35   #7
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Quote:
Originally Posted by Poly View Post
Are your tubes really elliptical?
Tapered tubes would certainly be harder, although I suspect there is less call for wear patches on such boats, and even where there is it tends to be aft the beam where there is less/no taper.
That said gluing hypalon is essential a right first time job and getting it smooth and bubble free with a big sticky patch is not where I'd want to start...

I guess the criticality of humidity and temperature might be reduced for a wear patch that doesn't actually hold pressure or any real force, but at this time of year I would suggest you want a clean, warm, dry workshop to do it in, and by the time you've bought solvent, glue, clean rags, scourers, brushes, too much fabric etc you will be well on the way to the cost of getting a pro to do it. Of course if you have a long tow and ferry fares to contend with etc then the whole balance changes which is something easily forgotten by those in the rib heartlands!
The long tow/travel point is one I missed....but surly it's a matter of potentially at least,"spoiling the Boat the Hapeth of Tar" !?
The patches may not in themselves hold air...but with temperature changes and consequent increase and decrease of volume..not to mention people sitting/standing on and the pressures and flexing produced underway in an inflatable the join/mating of the two must be pretty nigh perfect.
I didn't say it couldn't be done,just that's there's more to it than you may think...and for me it's not worth the risk of messing up a multi thousand pound Boat.
As to elliptical...surly with a scientific background...you'll know Nothing man made is perfectly round!...ie. Spherical.)!
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Old 15 October 2016, 06:51   #8
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The long tow/travel point is one I missed....but surly it's a matter of potentially at least,"spoiling the Boat the Hapeth of Tar" !?
Depends how far. If you live near a tube maker easy to drop off for a few days. If you live on a remote scottish island two round trips (one drop off, one collect) with hotels, ferries, petrol, could cost you far more than the patches!

At the end of the day it's a northcraft not a goldfish so it's function over form! However I do agree if there is a local option it will be far easier.

Quote:
but with temperature changes and consequent increase and decrease of volume..
tubes don't really change in volume with temp, that's why they go hard (and eventually burst).
Quote:
As to elliptical...surly with a scientific background...you'll know Nothing man made is perfectly round!...ie. Spherical.)!
Your tubes definitely aren't spherical. They may not even by perfectly cylindrical, but that doesn't mean they are elliptical either!
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Old 15 October 2016, 06:56   #9
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Oh, and it looks like the OP is in Norn Iron. Certainly expensive to bring to the big Island. there is someone does independent tube work on that side of the Irish Sea, I can't remember where exactly and that may mean the current Euro rate is eye-watering!
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Old 15 October 2016, 07:12   #10
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Yes, up top of Norn Iron. Around 20 miles across from Portpatrick! Not sure I know any specialists, and you are correct, if I had to drive down the south of the island with the Euro the way it is now would cost me a fortune!!
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