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Topic Date User

SUM descender 25-Jan-2009 At 11:33:08 AM muki

Message

On 25/01/2009 slackjaw wrote:
>Are they any better or any worse than a grigri?
>Thinking along the lines of rope solo as I'm using a modified grigri at
>present and wondering if the rope may feed any easier with the SUM,
>Also I'm using a 9.6mm rope which sometimes keeps slipping through the
>grigri if its not weighted sharply.

the Gri Gri if modified correctly should feed like a dream, are you sure that you have done a full mod?
I'm using a new 9.4 and the rope still locks down well, even with the factory coating that is slippery.
How much do you weigh ? that is often a factor when using an Auto belay.

I feel that the Sum is well thought out, but still has some teething problems that could be fixed next
generation.