The hole is .395 diameter.
also it is not .75 diameter
it is .70 diameter...just this piece.
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Titanium Rack
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Re: Titanium Rack
by Mark620 » Sep 17, 2005 12:15 am
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Mark620 - NSS Hall Of Fame Poster
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by Mark620 » Sep 18, 2005 8:58 am
mgala wrote:this year on the expedition to j2 in cheve area i worn out two aluminum bobbins. with rack was even worst - some cavers worn out bars in one trip. there was a lot of sand in the mud.
If this is the case, how long do the 304SS brake bars last?(although I am in current posetion of a BMS 304SS hyperbar that is worn through...nothing like shredding the rope as you descend
)
If you are having a serious problem with this try getting the bars made from:
Hastelloy C - that is if you can find someone who can actually machine it.
Partially Stabilized Zirconia - ceramic and it is hard but it is brittle.
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Mark620 - NSS Hall Of Fame Poster
- Posts: 227
- Joined: Sep 14, 2005 6:58 pm
- Location: <1/4 mile from: Secret Cave, Putnam Co., TN
- NSS #: 55638
- Primary Grotto Affiliation: Cave Owners Club _ I own Caves
17 posts
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The NSS is not responsible for the opinions expressed, and cannot verify the accuracy of information presented.