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-   -   Legal Pneumatic Fittings - Nipples & Elbows? (http://www.chiefdelphi.com/forums/showthread.php?t=125411)

Al Skierkiewicz 05-02-2014 08:34

Re: Legal Pneumatic Fittings - Nipples & Elbows?
 
I read the flow specification on the valve as without fittings for the exhaust ports. So a 1/8" port with no fittings ought to have a higher flow rate than the same port with fittings inserted.

lcoreyl 05-02-2014 18:13

Re: Legal Pneumatic Fittings - Nipples & Elbows?
 
Quote:

Originally Posted by Al Skierkiewicz (Post 1337890)
I read the flow specification on the valve as without fittings for the exhaust ports. So a 1/8" port with no fittings ought to have a higher flow rate than the same port with fittings inserted.

well, this still strikes me as a "1080p" TV sold with only an s-video input.

thanks for the info on the Cv of tubing and fittings, based on reading CD threads about flow restriction, I had assumed past KOP solenoids were significantly* worse than tubing and fittings, but I guess not...

*maybe a Cv difference of at least 0.1, as opposed to 0.03

Levansic 05-02-2014 22:07

Re: Legal Pneumatic Fittings - Nipples & Elbows?
 
Going back to the OP's question, I would suggest testing your setup with a nipple, and with the tubing. See if there is enough difference, or even good difference that would be worth risking the creation of a new rule.

One of our mentors had the same thought, and attached one of our higher Cv solenoids to an accumulator with a short brass nipple. Imagine our surprise, when the increased "performance" turned out to be detrimental to the actual performance of our catapult. Everything was promptly changed back.

Test your theory, and find out if you are just tilting at windmills with trying something that will attract attention from inspectors. You will at least satisfy your curiosity, and you may just find, as we did, that it isn't worth it.

fsgond 06-02-2014 13:33

Re: Legal Pneumatic Fittings - Nipples & Elbows?
 
Quote:

Originally Posted by Al Skierkiewicz (Post 1334137)
Guys,
Can we agree that "we used it in the past" is not a response.
Thanks.

But Al, I have used that response in the past ;)

DonRotolo 06-02-2014 21:53

Re: Legal Pneumatic Fittings - Nipples & Elbows?
 
Quote:

Originally Posted by fsgond (Post 1338563)
But Al, I have used that response in the past ;)

Best. Response. Ever.

Al Skierkiewicz 07-02-2014 07:33

Re: Legal Pneumatic Fittings - Nipples & Elbows?
 
Why do you guys to this to me?


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