Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: AMuzi <am@yellowjersey.org>
Newsgroups: rec.bicycles.tech
Subject: Re: Very Slow Leaks.
Date: Tue, 6 May 2025 14:28:41 -0500
Organization: Yellow Jersey, Ltd.
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On 5/6/2025 1:13 PM, Jeff Liebermann wrote:
> On Tue, 06 May 2025 11:05:06 -0700, Jeff Liebermann <jeffl@cruzio.com>
> wrote:
> 
>> On Tue, 6 May 2025 12:47:56 -0500, AMuzi <am@yellowjersey.org> wrote:
>>> Your image shows a typical inflation for tracking down a
>>> leak. Not overly large at all.
>>
>> I was worried about the excessive stretching of the inner tube causing
>> the pin-hole to turn into a tear.  That won't happen if the tire is in
>> place because the tire prevents the inner tube from stretching too
>> much.  However, I didn't know how the tube would react and didn't want
>> to find out the hard way.
> 
> Oops.  The presure gauge on the floor pump in the picture shows zero
> PSI.  It might have been safe for me to continue pumping but it didn't
> feel quite right at the time:
> <https://www.learnbydestroying.com/jeffl/crud/inflated-tube.jpg>
> 
Not contained by a rim and tire, a tube will expand 
dramatically at pressures too low to register on that gauge.

-- 
Andrew Muzi
am@yellowjersey.org
Open every day since 1 April, 1971