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 Post subject: Re: Tubular Repair
PostPosted: Mon Aug 05, 2013 11:57 pm 
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Tubbie Guru

Joined: Tue May 03, 2005 2:20 am
Posts: 5774
Location: Belgium
Hi,

Geoff wrote:
Louis, that is 100% correct. They are also smaller. Unfortunately, latex tubes for tubular tires are hard to come by, which is why Ron doesn't 'stock' them.


People doing such repairs professionally usually just pull out the inner tube and replace it with a new one. In the process they'll cut the tube to proper length and reglue it together prior to sewing the tube back up.
That's the fastest, most economical operation to repair a shot tubular.

Going the other way round, i.e. using a recovered tubular inner tube from a dying tubular as a clincher inner tube is not advisable.

The lightest latex inner tube for clincher use are Vredestein. Good luck for finding them though....

Ciao, ;)

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 Post subject: Re: Tubular Repair
PostPosted: Tue Aug 06, 2013 3:55 am 
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Joined: Thu May 04, 2006 4:43 pm
Posts: 5066
Location: Wherever there's a mountain beckoning to be climbed
fdegrove wrote:
Hi,

Quote:
I'm wondering (it's been probably discussed already somewhere in here, but I can't find it), anybody used the tubular latex tube in a clincher ?


No problem whatsoever. Recycle. 8)

Ciao, ;)
LouisN wrote:
I put them inside a 23mm open tubular. Doesn't hold air for very long. After one hour, it already lost 50 PSI. Too stretched I guess...
Probably would be better to put them inside some 20mm tires.

Louis :)
fdegrove wrote:
Going the other way round, i.e. using a recovered tubular inner tube from a dying tubular as a clincher inner tube is not advisable.


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 Post subject: Re: Tubular Repair
Posted: Tue Aug 06, 2013 3:55 am 


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 Post subject: Re: Tubular Repair
PostPosted: Mon Aug 19, 2013 1:30 pm 
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Joined: Mon Feb 19, 2007 3:44 am
Posts: 1676
Location: Canada
Had a puncture last wednesday after I ouldn't avoid a cyclist that crashed in a crit and banged his bike...

My tub is new :(. I took off the tubular, and inflated it to locate the puncture. I simply can't.
There's nothing apparent on the tub surface. No holes, cracks. So I figured the tub pinched the rim, and the hole(s) are located under the basetape.
What's the trick to locate a flat precisely ? The "tub in the water" method... :noidea:

Thanks,

Louis :)


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 Post subject: Re: Tubular Repair
PostPosted: Mon Aug 19, 2013 2:17 pm 
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Tubbie Guru

Joined: Tue May 03, 2005 2:20 am
Posts: 5774
Location: Belgium
Hi,

Quote:
What's the trick to locate a flat precisely ? The "tub in the water" method... :noidea:


Unfortunately that won't work.
Easiest way to repair a tub like that is to replace the inner tube with a new one.

Ciao, ;)

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 Post subject: Re: Tubular Repair
PostPosted: Mon Aug 19, 2013 5:18 pm 
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Joined: Fri Dec 24, 2010 9:37 pm
Posts: 548
Location: it's raining, it must be uk
is it a slow puncture? i had one last week, took off the wheel and dipped just the tyre's edge in the bath, not as deep as the basetape, saw the small bubble, found the almost invisible mark on the surface, squirted in tufo extreme, let it flow to the right spot, sealed, it's fine now

if it's not a slow one, you should be able to inflate to high pressure (on the rim) then find it by ear


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 Post subject: Re: Tubular Repair
PostPosted: Tue Aug 20, 2013 1:19 pm 
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Joined: Sat Dec 13, 2003 2:25 am
Posts: 4438
Location: Canada
Due to the construction of a tubular (a silk or cotton casing stitched around a latex or butyl tube), the air being released from a puncture in a tubular can 'travel' down the length of the casing until it releases in a stream of bubbles. This can make it difficult to locate the source.

The 'trick', if there is one, is to use a shallow tray of water and 'dip' the tire in a small section at a time. In this way, even if you cannot precisely locate the puncture, at least you will have a good chance of being able to narrow-down the area of further investigation (i.e., the section that you will have to open-up anyway to pull the tube clear to patch it.


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 Post subject: Re: Tubular Repair
PostPosted: Wed Aug 21, 2013 12:33 am 
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Joined: Mon Feb 19, 2007 3:44 am
Posts: 1676
Location: Canada
Geoff wrote:
the air being released from a puncture in a tubular can 'travel' down the length of the casing until it releases in a stream of bubbles...


Exactly this...

I'll try the "trick"...Tire alert is out of businness if I remember reading ...? I have a few tubs I'd like to send...

Louis :)


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 Post subject: Re: Tubular Repair
PostPosted: Wed Aug 21, 2013 1:25 am 
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Joined: Thu May 04, 2006 4:43 pm
Posts: 5066
Location: Wherever there's a mountain beckoning to be climbed
Please correct your statement about tire alert unless you are sure they are out of business - to do otherwise is irresponsible. I don't recall reading any such thing, and the website http://www.tirealert.com/tirealert/Welcome.html is up and running.


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 Post subject: Re: Tubular Repair
PostPosted: Wed Aug 21, 2013 1:53 am 
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Tubbie Guru

Joined: Tue May 03, 2005 2:20 am
Posts: 5774
Location: Belgium
Hi,

Le chef s'est brule la patte.... :lol:

Either way, replacing an inner tube is by far the easiest surgery that can be performed on a tub short of injecting latex (yikes)...

Ciao, ;)

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 Post subject: Re: Tubular Repair
PostPosted: Wed Aug 21, 2013 12:32 pm 
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Joined: Mon Feb 19, 2007 3:44 am
Posts: 1676
Location: Canada
HT2, I sent an email to Tire alert, to verify.

Louis :)


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 Post subject: Re: Tubular Repair
PostPosted: Wed Aug 21, 2013 2:03 pm 
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Joined: Sat Dec 13, 2003 2:25 am
Posts: 4438
Location: Canada
Another forum member got some tires back from Ron fairly recently and I was planning on sending some soon. I hope you're wrong, Louis...


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 Post subject: Re: Tubular Repair
PostPosted: Thu Aug 22, 2013 1:36 pm 
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Joined: Mon Feb 19, 2007 3:44 am
Posts: 1676
Location: Canada
Sorry for the misinformation guys. I got my return message from Ron.

He's still running !!! I'm sending him some tubulars for repair :)...

Louis :)


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 Post subject: Re: Tubular Repair
PostPosted: Thu Oct 03, 2013 1:14 pm 
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Joined: Mon Feb 19, 2007 3:44 am
Posts: 1676
Location: Canada
OK, I got my tubulars from Ron. Here's what they look like.
Job seems pretty nice and even. We'll see next summer if running butyl tubes feels different...

Image

Image

Image

Image

Louis :)


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 Post subject: Re: Tubular Repair
PostPosted: Fri Oct 04, 2013 8:44 pm 
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Joined: Sun Nov 06, 2005 7:27 pm
Posts: 299
I just sent one to him for repair. Also a Vittoria Corsa. It flatted when almost new, then the basetape tore and separated from the tire when I removed the flat from the wheel. The same thing happened with another Vittoria, and I've never had that problem with Veloflex. :noidea: Maybe Ron's repair will help keep that from happening also? For the price he charges, worst case it will be a cheap spare.

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 Post subject: Re: Tubular Repair
PostPosted: Tue Nov 05, 2013 1:58 am 
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Joined: Sat Dec 13, 2003 2:25 am
Posts: 4438
Location: Canada
But then what would we do with those NOS Clement Criteriums?!


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 Post subject: Re: Tubular Repair
Posted: Tue Nov 05, 2013 1:58 am 


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