Today's Message Index:
----------------------
 
     1. 07:48 PM - Re: Plumbing Instruments (rparigoris)
     2. 07:50 PM - 135 knots? (rparigoris)
     3. 08:48 PM - Re: 135 knots? (Sebastien)
 
 
 

Message 1


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Time: 
07:48:14 PM PST US
Subject: 
Re: Plumbing Instruments
From: 
"rparigoris" <rparigor@hotmail.com>
      
      
      Hi Group After a nice job of plumbing I tried a leak test pulling altimeter to
      1,000 from Zero. Leaks about 108 feet per minute. Shoot. Every one of my nothing
      installed Nylon fittings were leaking. A day job to pull them out (all barb
      fittings, tubing would need replacing). I tried some thin no stink silicone #3140
      while pulling a 1,500 foot vacuum. Worked great. After 5 minutes I dropped
      pressure to 1,000 for half an hour, then let it go static and cure overnight.
      The fittings are from McMaster Carr and don't have a seam I can see from molding.
      I tightened them smartly.  Ron P.
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=501704#501704
      
      

Message 2


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Time: 
07:50:35 PM PST US
Subject: 
135 knots?
From: 
"rparigoris" <rparigor@hotmail.com>
      
      
      Hi Group After fixing vacuum leak on static system, I set altimeter to zero and
      pulled a 1,000 foot vacuum. My Winter W-6423 in 3 1/8" airspeed indicator is
      showing 151 knots. I kinda thought it should be indicating 135 knots? Is this
      acceptable? If not what should I do? Thx. Ron P.
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=501705#501705
      
      

Message 3


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Time: 
08:48:53 PM PST US
From: 
Sebastien <cluros@gmail.com>
Subject: 
Re: 135 knots?
      
      1000' is about 148 kts.
      
      On Tue, May 4, 2021 at 7:53 PM rparigoris <rparigor@hotmail.com> wrote:
      
      > rparigor@hotmail.com>
      >
      > Hi Group After fixing vacuum leak on static system, I set altimeter to
      > zero and pulled a 1,000 foot vacuum. My Winter W-6423 in 3 1/8" airspeed
      > indicator is showing 151 knots. I kinda thought it should be indicating 135
      > knots? Is this acceptable? If not what should I do? Thx. Ron P.
      >
      >
      > Read this topic online here:
      >
      > http://forums.matronics.com/viewtopic.php?p=501705#501705
      >
      >
      








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