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Old 10-14-2012, 07:52 PM   #1
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Default Stiction, good or bad?

Hey guys,

Want people's thought's on "Stiction"

Is it good, bad and what does it do? Was comparing some of my shock sets with different o-rings in the bottoms on the weekend, and they all had different stiction and feeling by hand, and I was trying to work out what this relates to on the track. With the different types of shocks now coming back into the touring car world (bladder, rotary, aeration, and the T-shox design) I thought this could be an interesting topic

Keen to hear everyone's thoughts.

Cheers,

Antoni
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Old 10-14-2012, 08:21 PM   #2
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Generally it is considered bad though I did read an excellent article from a top race engineer explaining how in theory, some friction in the system could be a good thing under certain circumstances but it would be difficult to apply properly.
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Old 10-14-2012, 09:12 PM   #3
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Originally Posted by wingracer View Post
Generally it is considered bad though I did read an excellent article from a top race engineer explaining how in theory, some friction in the system could be a good thing under certain circumstances but it would be difficult to apply properly.
Hmm interesting, I thought he same thing, but the shocks feel very different, and the rebuild is WAY easier to be at zero with the more stiction. It almost feels like having 2 o-rings in the bottom cap with the tighter o-ring, but it dosent. Feels like 100wt more oil almost
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Old 10-15-2012, 05:49 AM   #4
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Quote:
Originally Posted by Yokomo_Ant3 View Post
Hmm interesting, I thought he same thing, but the shocks feel very different, and the rebuild is WAY easier to be at zero with the more stiction. It almost feels like having 2 o-rings in the bottom cap with the tighter o-ring, but it dosent. Feels like 100wt more oil almost
Adding friction to the shock seal in order to decrease the rebound is completely missing the point of a damper.

The seals should have the lowest friction possible without leaking - it is a balance, because there are plenty of people out there who have used the softest seals they can find and ended up with a leaking shock by the end of a race day.

Rebound... well, don't get me started on rebound... Virtually every design of RC shock will have some degree of rebound (with the exception of the T-shox design). Just build the shocks the way they should be built and you will be fine, don't force them to do something unintended.
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