Activity for M. Rogersonâ€
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Answer | — |
A: At what angle should an ice screw be screwed into the ice? Finite Element Analysis Ice Screw Analysis by John Gregel shows computer models of the stresses applied to an idelaized screw in differing strength ice blocks at three angles: +15° hanger higher than tip / ‘downwards’ in Charlie Brumbaugh’s answer 0° horizontal -15&#... (more) |
— | about 6 years ago |
| Answer | — |
A: When did wearing a helmet become the norm for climbing? Helmet Policy Some climbing centers and organisations mandate helmet usage even indoors for younger or novice participants. Safety in Outdoor Education Policy for Schools & Youth Groups for the Isle of Man states: All participants on outdoor crags should wear helmets and it is recommended t... (more) |
— | about 6 years ago |
| Answer | — |
A: Techniques for handling pumped arms? Recovering from Pump You already mention you shake out your arms. I read an article suggesting an improvement on the standard "shake out each arm by your side" technique. In Slowing the Pump Clock1 Eric Hörst describes a technique called "G-Tox": There is a more effective method for accele... (more) |
— | about 6 years ago |