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Piece of thick old tube instead of patch?



 
 
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  #1  
Old July 16th 17, 05:47 PM posted to rec.bicycles.tech
Joerg[_2_]
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Posts: 6,016
Default Piece of thick old tube instead of patch?

Got a couple of thick tubes that are damaged because of the #%&@!!
Gatorksin side wall blow-outs back when I used those tires. Expensive at
around $17/pop, don't want to throw away. Fixing small tears of 1/10" or
so with REMA patches works but only for 3-6 month, then they hiss
through and I get a slow leak. I can ride home but it's annoying.

Using Slime Rubber Cement, is it possible to glue a roughened chunk of
tube material on there instead of a REMA patch or is that a recipe for
another flat? If not, are there better (= thicker) patches than REMA?

--
Regards, Joerg

http://www.analogconsultants.com/
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  #2  
Old July 16th 17, 07:21 PM posted to rec.bicycles.tech
Ian Field
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Posts: 250
Default Piece of thick old tube instead of patch?



"Joerg" wrote in message
...
Got a couple of thick tubes that are damaged because of the #%&@!!
Gatorksin side wall blow-outs back when I used those tires. Expensive at
around $17/pop, don't want to throw away. Fixing small tears of 1/10" or
so with REMA patches works but only for 3-6 month, then they hiss through
and I get a slow leak. I can ride home but it's annoying.


Somehow that never worked for me - I've heard of people soaking a patch of
denim in rubber solution, but I've never tried that (yet).

  #3  
Old July 16th 17, 07:43 PM posted to rec.bicycles.tech
Duane[_4_]
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Posts: 1,546
Default Piece of thick old tube instead of patch?

Ian Field wrote:


"Joerg" wrote in message
...
Got a couple of thick tubes that are damaged because of the #%&@!!
Gatorksin side wall blow-outs back when I used those tires. Expensive at
around $17/pop, don't want to throw away. Fixing small tears of 1/10" or
so with REMA patches works but only for 3-6 month, then they hiss through
and I get a slow leak. I can ride home but it's annoying.


Somehow that never worked for me - I've heard of people soaking a patch of
denim in rubber solution, but I've never tried that (yet).



Canada started making their money out of plastic. Works the charm for a
temporary patch in a slit tire.

--
duane
  #4  
Old July 16th 17, 08:19 PM posted to rec.bicycles.tech
Jeff Liebermann
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Posts: 4,018
Default Piece of thick old tube instead of patch?

On Sun, 16 Jul 2017 09:47:21 -0700, Joerg
wrote:

Got a couple of thick tubes that are damaged because of the #%&@!!
Gatorksin side wall blow-outs back when I used those tires. Expensive at
around $17/pop, don't want to throw away. Fixing small tears of 1/10" or
so with REMA patches works but only for 3-6 month, then they hiss
through and I get a slow leak. I can ride home but it's annoying.

Using Slime Rubber Cement, is it possible to glue a roughened chunk of
tube material on there instead of a REMA patch or is that a recipe for
another flat? If not, are there better (= thicker) patches than REMA?


If the tire and the patch are not sufficiently flexible, they will
move relative to each other when stretched, causing the glue joint to
crack. I would make the patch with as thin and flexible rubber
material as possible so that the stretch distance is limited by rubber
tire, not the patch.

If you use REMA patches, you get a chemical vulcanization seal. If
you use a piece of inner tube and some random rubber cement, I don't
know what you'll get.

I couldn't determine if Slime Rubber Cement was the same as Rema
Vulcanizing Fluid. This may help:
http://forums.roadbikereview.com/general-cycling-discussion/slime-vs-rema-351443.html
Maybe try some of these:
https://www.google.com/#q=vulcanizing+cement
You may want to do a peel strength test.



--
Jeff Liebermann
150 Felker St #D
http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558
  #5  
Old July 16th 17, 09:02 PM posted to rec.bicycles.tech
Jeff Liebermann
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Posts: 4,018
Default Piece of thick old tube instead of patch?

On Sun, 16 Jul 2017 18:43:23 -0000 (UTC), Duane
wrote:

Canada started making their money out of plastic. Works the charm for a
temporary patch in a slit tire.


I guess any inflationary currency will work.

(Sorry, but I just couldn't resist).

--
Jeff Liebermann
150 Felker St #D
http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558
  #6  
Old July 16th 17, 09:09 PM posted to rec.bicycles.tech
[email protected]
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Posts: 3,345
Default Piece of thick old tube instead of patch?

On Sunday, July 16, 2017 at 9:47:26 AM UTC-7, Joerg wrote:
Got a couple of thick tubes that are damaged because of the #%&@!!
Gatorksin side wall blow-outs back when I used those tires. Expensive at
around $17/pop, don't want to throw away. Fixing small tears of 1/10" or
so with REMA patches works but only for 3-6 month, then they hiss
through and I get a slow leak. I can ride home but it's annoying.

Using Slime Rubber Cement, is it possible to glue a roughened chunk of
tube material on there instead of a REMA patch or is that a recipe for
another flat? If not, are there better (= thicker) patches than REMA?


Latest advertisement for Kenda Valkyrie Pro - "bead to bead belt". Might be something to look into. The prices in the magazine are preposterous but usually the Ebay places or Amazon can get you descent prices and delivery.
  #7  
Old July 16th 17, 09:35 PM posted to rec.bicycles.tech
Duane[_4_]
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Posts: 1,546
Default Piece of thick old tube instead of patch?

Jeff Liebermann wrote:
On Sun, 16 Jul 2017 18:43:23 -0000 (UTC), Duane
wrote:

Canada started making their money out of plastic. Works the charm for a
temporary patch in a slit tire.


I guess any inflationary currency will work.

(Sorry, but I just couldn't resist).


Lol. Well Ben Franks used to work as well as George Washingtons for that
matter. But the plastic pictures of someone else's queen seem to work
pretty well.

--
duane
  #8  
Old July 16th 17, 11:29 PM posted to rec.bicycles.tech
[email protected]
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Posts: 6,374
Default Piece of thick old tube instead of patch?

On Sunday, July 16, 2017 at 12:47:26 PM UTC-4, Joerg wrote:
Got a couple of thick tubes that are damaged because of the #%&@!!
Gatorksin side wall blow-outs back when I used those tires. Expensive at
around $17/pop, don't want to throw away. Fixing small tears of 1/10" or
so with REMA patches works but only for 3-6 month, then they hiss
through and I get a slow leak. I can ride home but it's annoying.

Using Slime Rubber Cement, is it possible to glue a roughened chunk of
tube material on there instead of a REMA patch or is that a recipe for
another flat? If not, are there better (= thicker) patches than REMA?

--
Regards, Joerg

http://www.analogconsultants.com/


try NAPA

patch should lead hole into contact

poss for patch to either wrap around tube or go very thin circumwise eliminating not control or vising the sidewall contortions as the area goes thru contact ...which is your windmill

  #9  
Old July 17th 17, 12:13 AM posted to rec.bicycles.tech
David Scheidt
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Posts: 1,346
Default Piece of thick old tube instead of patch?

Joerg wrote:
:Got a couple of thick tubes that are damaged because of the #%&@!!
:Gatorksin side wall blow-outs back when I used those tires. Expensive at
:around $17/pop, don't want to throw away. Fixing small tears of 1/10" or
:so with REMA patches works but only for 3-6 month, then they hiss
:through and I get a slow leak. I can ride home but it's annoying.

Perhaps learn to patch better? I have tubes with three inch tears
that have been repaired with (many, many) Rema F1 patches. They hold
in tires running from 30 to 100 psi, for years. Rema also make some
bigger patches, but I don't know if you can buy them except one at a
time in a kit.

the trick is to sand the tube until it's rough, apply fluid, let it
dry (you can't wait too long...) apply the patch, rub it firmly in
place. If you have multiple non-overlapping patches, you can put them
on at the same time. When you need to overlap, sand again, apply
fluid, let dry, etc...

--
sig 79
  #10  
Old July 17th 17, 12:58 AM posted to rec.bicycles.tech
Jeff Liebermann
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Posts: 4,018
Default Piece of thick old tube instead of patch?

On Sun, 16 Jul 2017 20:35:08 -0000 (UTC), Duane
wrote:

Jeff Liebermann wrote:
On Sun, 16 Jul 2017 18:43:23 -0000 (UTC), Duane
wrote:
Canada started making their money out of plastic. Works the charm for a
temporary patch in a slit tire.


I guess any inflationary currency will work.
(Sorry, but I just couldn't resist).


Lol. Well Ben Franks used to work as well as George Washingtons for that
matter. But the plastic pictures of someone else's queen seem to work
pretty well.


I just discovered that "plastic money" refers to credit cards, while
"polymer banknotes" are what is used for patching tires:
https://en.wikipedia.org/wiki/Polymer_banknote
I must lead a sheltered life. I've never seen a polymer banknote.

Looks like the queen is currently on the $20 banknote:
https://www.google.com/search?q=canada+polymer+banknote&tbm=isch
Too bad it has a Norway maple leaf on the front, instead of Canada
maple leaf:
http://www.cbc.ca/news/canada/ottawa/canada-s-new-20-bill-at-centre-of-maple-leaf-flap-1.1343767

The lowest denomination is $5,
http://www.bankofcanada.ca/banknotes/bank-note-series/polymer/
which is still a rather expensive tire patch, unless you cut it into
patch size pieces.

Looks like bicycle riding in Ottowa is ummm... thrilling:
"Cyclist survives dramatic collision after running red light" (0:25)
http://www.cbc.ca/news/canada/ottawa/cyclist-struck-dramatic-video-1.4207758
No helmet.
--
Jeff Liebermann
150 Felker St #D
http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558
 




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