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In a message dated 10/23/00 1:45:31 PM Central Daylight Time, Steven.Schultz@sp*.gc*.ca* writes: << The original question was how to ice dive DIR. Although what you describe is safe, and often used, I'm doubtful that it's DIR. I wish that someone who is DIR would step in and clear this up. >> Steven, I am certainly not the authority on this -- I am not 100% DIR myself -- but from their posts on this froum I believe the sole authority on DIR is George and JJ. From his own posts, DIR is what George says it is and nothing more or less. You could ask George what DIR for ice diving is and maybe get an answer. I am sure that he has been reading these posts. However, I do not think that George is an ice diver. I do not want to put words in George's mouth, but, I believe that DIR is a philosophy that puts proper attitude, simplicity and safety first. I see no reason to change anything about your basic DIR equipment configuration. I do, however, think that having a large diameter floating line attached to the diver, anchored topside and tended by a trained tender is a safer alternative to using a thin, sinking line anchored only topside and handled by a diver with thickly gloved, cold hands. I doubt that is a violation of the basic DIR philosophy. Tie points for a penetration line underwater on most ice dives are practically non-existant. If a diver were to drop his reel it might be extreemly difficult for him to find it again. Using a tender increases safety by relieving the diver of most of the line handling. The tender also makes sure that the end of the line remains attached topside. Using large diameter floating line reduces the danger of entanglement and keeps the line out of the silt. I would only use a penetration line if I had suitable intermediate tie points, such as when doing a wreck dive beneath the ice. Safe diving, Dale -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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