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Chockstone Forum - Gear Lust / Lost & Found
Rave About Your Rack Please do not post retail SPAM.
Topic
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Date |
User
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Cam failure discussion |
24-Apr-2015 At 8:32:44 AM |
patto
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Message |
On 23/04/2015 Macciza wrote:
>Jezza - I think it shows that flared cracks are LESS likely to holding,
>in fact that as you increase the flare eventually it simply doesn't work
>and it falls out . . .
>Not quite sure what you mean or how you concluded the other stuff, but
>I think it shows how the Direct Loading method means they hold better in
>even more flared cracks then normal Spring Loaded cams ...
Jezza is correct. For a regular cam a flared crack doesn't mean you need additional friction.
So a few degrees flared is no issue at all for regular cams. Though as the flare angle gets anywhere near 2x[camming angle] you get into trouble. In practice failure occurs well before 2x[camming angle] due to lobe compression. |
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