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Old 11-09-2010, 10:54 AM #1
wesr
 
 
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quad orings

Anyone try quad orings on their nt yet?
specifically the 2 on the plunger and the front can.
if so did you notice much of a change?
also who sells them in canada?
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Old 11-09-2010, 06:08 PM #2
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Hmm, not sure what you are talking about...... I would like some more info too please...
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Old 11-09-2010, 06:19 PM #3
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people have been using quad orings in dm models for years. they are a better seal for a stationary part against a moving part. IE the orings on a top hat
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Old 11-10-2010, 06:21 AM #4
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but the question is, what is a Quad oring...
never heard of them before
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Old 11-10-2010, 06:41 AM #5
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A quad ring kinda looks like a X if you look at the cutout. It has 2 sealing points instead of 1 like a traditional Oring. They work well but are finicky. They take some tuning to get them to seal properly. Usually once they work right, they provide less friction than normal orings. They are also more expensive than regular orings.
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Old 11-10-2010, 08:08 AM #6
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Yep , just ordered 25 of them.
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Old 11-10-2010, 09:12 AM #7
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yeah i ordered a handfull too, they should be here today. so well see how well they work/ if i notice a difference at all
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Old 11-10-2010, 02:26 PM #8
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the use to use these in the old school matrix. like said before they would be better used for non moving parts.
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Old 11-10-2010, 03:03 PM #9
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so what your sayin is they would only be good for the can inner oring because it does not break contact at all. and the 2 on the plunger would be no good to switch out? if thats the case would they work on the spool then?
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Old 11-10-2010, 04:06 PM #10
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I've used X rings in another industry with high speed moving parts that held back fluid and the idea behind the X rings was that you could use a size that ordinarily wouldn't seal because you now have two seals per ring. The benefit was less drag with the same seal properties.

it's not necessarily double the drag though because you have less individual surface area per contact point because they are smaller.
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Old 11-11-2010, 05:47 AM #11
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Quote:
Originally Posted by B Baller View Post
I've used X rings in another industry with high speed moving parts that held back fluid and the idea behind the X rings was that you could use a size that ordinarily wouldn't seal because you now have two seals per ring. The benefit was less drag with the same seal properties.

it's not necessarily double the drag though because you have less individual surface area per contact point because they are smaller.
So usually you go down a size over the stock ones?
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Old 11-11-2010, 08:36 AM #12
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So usually you go down a size over the stock ones?
no, say you have a #13 o-ring / x-ring. you can get away with a slightly smaller OD (or larger ID depending if it was your bolt can ring) so you could have that on the bumper sail and get away with less friction. but you would not be able to go all the way to #12 or #14.

the way rubber rings are made is pretty basic, they are all different sizes by very slight amounts so you need 5-10 per ring you are trying to replace to get that ideal no stick feel. my bolt sticks using dye's o-rings and fires fine though so i'm not willing to really mess with it. just saying that x-rings are a good thing in other industries.
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Old 11-11-2010, 09:49 AM #13
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So, to change all dynamic orings on the bolt a kit with a couple of 010, 012, 014 and 016 should do the trick of lowering friction right?

Last edited by Tcheno : 11-12-2010 at 02:55 AM.
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Old 11-11-2010, 08:17 PM #14
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i changed the 2 on the plunger and the inner can oring and so far by just moving the bolt back and forth my hand it seems much easier. tempting to try them on the spool too. ill have to try it over the chrony some time soon and see if i notice a difference.
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Old 11-11-2010, 08:37 PM #15
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The only orings I would change to quad would be the 17 in the can, and the 12 and 14 on the plunger. Changing the spool orings will not make a difference.
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Old 11-11-2010, 09:05 PM #16
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duly noted i probably wont then, just need to get my hands on a chrony and see if i have any improvment
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Old 11-11-2010, 09:54 PM #17
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a possibly benifit as well to the X orings is the groove between the two sealing points could hold in grease longer, a kind grease well so to speak
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Old 11-11-2010, 09:58 PM #18
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What about the 016 oring on the bolt? Worth changing too?
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Old 11-12-2010, 02:55 AM #19
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Now I just have to find some place online that actually has them and ships to Europe...
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Old 11-12-2010, 06:17 AM #20
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The NTs bolt is designed to start moving slowly and then drastically speed up. Making it have less friction will somewhat counteract this process. Because it's an imbalanced spool the bolt has no choice but to move forward once the noid supplies air to the spool and it moves forward.
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Old 11-12-2010, 07:00 AM #21
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I understand that but low drag means lower pressure... so what Dye did on the 2011 bolt might be accomplished with x-rings on the 2010

Last edited by Tcheno : 11-12-2010 at 07:06 AM.
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