- Joined
- Sep 28, 2014
- Messages
- 3,096
Great question. I'm glad you brought it up. The way I understand it... the Mantis (and pretty much every saddle) works is the main structure (generally heavy duty webbing) does all the heavy lifting. The belt and the leg straps only serve to keep it in place. Our belt for instance, even though it's load rated, never sees a load. Same goes for the leg straps. They work in conjunction with the belt to keep the Mantis positioned correctly. Even in the event of a fall, the heavy lifting or catching is done with the main construction of the saddle. Ours is made of 6,000 lb webbing. Hopefully that makes sense.
As Greg hinted, that is not entirely true. The belt never sees a load when regularly hunting but in a fall it does see a load. As Greg noted, most of the load is transferred to the saddle during a normal fall. There is a secondary radial load (hoop stress) that is applied to the belt as the body rebounds from the saddle. There is also a load on the very rare chance the climber falls forward. This is why the belt should be and is rated. The g buckles on the legs are strong but not fall rated. They don't need to be. The belt and saddle are doing the work.
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