Open or Closed?

Open or Closed? (Full Version)

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MasterJohnSteed -> Open or Closed? (6/10/2012 9:42:59 AM)
I went to a Gun Knife Show the other day, and Bought my first 100% Italian Stiletto knife. Switch-blade in the common tongue. The seller told me to keep it open during storage but that really makes no sense to me I understand that it takes the pressure off of the blade, HOWEVER, if that is the case then why do you need to have a lock on it in the first place, second it seems very very very unsafe to have an open exposed blade. As well I would think the exposure would dry the oil on the knife making it a lot harder to open and close. Anyone out there with a Stiletto and an opinion on open or closed??

MasterG2kTR -> RE: Open or Closed? (6/10/2012 10:13:25 AM)
Storing it "open" does not take the pressure off the blade, but rather it takes the pressure off the spring so that it retains it's full potential when it is needed. If you store it closed, the spring is under tension or compression depending on the type of spring that it uses. Having it constantly under load can cause it to lose much of it's potential energy by retaining "memory" of the storage position and the resulting fatigue as well.

stef -> RE: Open or Closed? (6/10/2012 10:40:17 AM)
quote: ORIGINAL: MasterG2kTR Having it constantly under load can cause it to lose much of it's potential energy by retaining "memory" of the storage position and the resulting fatigue as well. Maybe if it's an antique with a brass leaf spring or some POS made with pot metal. A properly designed and manufactured spring is not going to fatigue when left under tension. Metal fatigue does not take place under a static load, it's the loading and unloading of tension that causes fatigue, and eventually, failure. Open, closed, store it however you like.

Karmastic -> RE: Open or Closed? (6/10/2012 11:20:00 AM)
quote: ORIGINAL: MasterG2kTR Storing it "open" does not take the pressure off the blade, but rather it takes the pressure off the spring so that it retains it's full potential when it is needed. If you store it closed, the spring is under tension or compression depending on the type of spring that it uses. Having it constantly under load can cause it to lose much of it's potential energy by retaining "memory" of the storage position and the resulting fatigue as well. this sounds intuitive. OP, i generally wouldn't question the sellers expertise, unless you think it's a lie to get you to buy, which doesn't apply here.

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