Para2 Detent Ball

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hunterseeker5
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Para2 Detent Ball

Postby hunterseeker5 » Sun Oct 16, 2011 12:03 pm

So while flicking my CTS-20CP sprint (yes Blerv) it occurred to me that the feel of the movement of the ball against the steel just seemed too hard and smooth to be steel. Peering inside it looks like the ball detent is black. Is spyderco using silicon nitride, or some other ceramic, bearing balls for this now? If they are I'd be super super pleased and impressed. Just one more bit of evidence that the spyderco para2 is the best knife from the best company........

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hunterseeker5
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Postby hunterseeker5 » Wed Oct 19, 2011 10:00 pm

Nothing? Nobody knows anything? Not even someone who stripped their para2?

STWesterner
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Postby STWesterner » Wed Oct 19, 2011 11:31 pm

i'm actually having problems with mine grinding on the 20cp model, but only when the detent is touching the blade, yikes. what gives?

BAL
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Postby BAL » Thu Oct 20, 2011 4:17 am

hunterseeker - I could never bring myself to take the Para2 apart. Someone will answer though.


STWesterner - When I first got mine it was a little tight. I just kept opening it over and over and it is smooth as silk now.

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Evil D
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Postby Evil D » Thu Oct 20, 2011 6:24 am

Consider how much surface area of the ball is touching the blade..there's very little friction happening there. Even if metal to metal friction happened it wouldnt take much lube at all to eliminate it.
SHARPEN IT LIKE YOU LOVE IT, USE IT LIKE YOU HATE IT
~David

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hunterseeker5
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Postby hunterseeker5 » Thu Oct 20, 2011 10:04 am

Yeah if you're getting grinding it means either you have a steel detent and its unlubricated, or you broke a ceramic ball and it'll slowly eat your blade tang....... not sure which is worse. If lubrication doesn't eliminate it you MIGHT want to either open it up or send it back to SFO for a good once over.

STWesterner
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Postby STWesterner » Thu Oct 27, 2011 4:02 pm

hey thanks didn't think of that

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Blerv
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Postby Blerv » Thu Oct 27, 2011 10:12 pm

Can't believe "flick" made it past my daily search prowl ;) .

As for the smoothness, can't help you. I always assumed they were lightly lubricated and just spun being bearings. I have honestly no clue but good question.
:spyder: Blake :spyder:

log man
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Postby log man » Fri Oct 28, 2011 11:57 am

The ball bearing doesn't spin, but is hard and slides smoothly on the hard blade surface. I have found some liner locks to be too hard to open for my preference, and some have a hard spot right after you release the blade to close as the ball climbs the corner. I modify both areas of the blade to facilitate easier opening and closing.

LOG


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