Correct parts are essential

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Re: Correct parts are essential

Postby gahorn » Tue Jan 30, 2018 6:15 pm

hilltop170 wrote:
gahorn wrote:Let me ask another question...simply for the purpose of illustrating how insidious these types of errors can be: How can you distinguish between an automotive schrader-valve (valve-core) and an aircraft valve? (If you are a professional A&P, and you know the answer .... allow our other Members to post before revealing the answer.)

There will be a follow up on this question later.




OK George, we have held our breath long enough, nobody knows.


SchraderValveID.jpg
'53 B-model N146YS SN:25713
50th Anniversary of Flight Model. Winner-Best Original 170B, 100th Anniversary of Flight.
An originality nut (mostly) for the right reasons. ;)
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Re: Correct parts are essential

Postby gahorn » Tue Jan 30, 2018 6:46 pm

Higher quality and pressure design. (Not so important in our tires probably, but for larger aircraft and oleo-struts and actuators it's not uncommon to see 1,000 psi + pressures and some actuators are back-up emergency systems where a loss of pressure could be catastrophic. It's a good trivia-question for light planes.)

The emer/back-up elevator down-strut on a Cheyenne which backs up the SAS on that plane can cost you your life if it fails and it's charged with 2K psi of Nitrogen is one example.
'53 B-model N146YS SN:25713
50th Anniversary of Flight Model. Winner-Best Original 170B, 100th Anniversary of Flight.
An originality nut (mostly) for the right reasons. ;)
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Re: Correct parts are essential

Postby n2582d » Tue Jan 30, 2018 8:36 pm

More than one can ever remember. Here's additional trivia on valve cores.
Gary
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