***I always thought the locking pins (on Vector Tandems) were silly.
This is a case of "more safety" degrading the system because it requires the user to perform more steps. The more steps, the greater the chances of forgetting a step.
I understand the engineering logic behind the locking pins, just thought they would have been wiser to follow Strong's lead in installing hooks that were strong enough to carry the entire load.
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I liked the safety pins on the old harness. The new Sigma harnesses don't have them. Now, I'm not a rigger, but I thought the old style snaps were just as strong as the new style. I thought the whole idea was just to totally insure that neither side ever came undone. That fatality was a real bitch. When you leave the realm of safety (every thing hooked up right) you enter the realm of just surviving. That pair should have never gone in.
I remember having both types on my front mount reserve years ago. Don't tell me one style was weaker.
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B-12 Snaps are only half as strong (2500 pounds) as the butterfly snaps (5000 pounds) used on Strong tandems.
The fail-safe logic is the same as for chest-mounted reserves. One snap should be enough to retain the load. Since they concluded that a single B-12 snap was not strong enough to survive opening shock, they installed locking pins on Vector Tandems, to prevent losing students.
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I remember having both types on my front mount reserve years ago. Don't tell me one style was weaker.
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B-12 Snaps are only half as strong (2500 pounds) as the butterfly snaps (5000 pounds) used on Strong tandems.
The fail-safe logic is the same as for chest-mounted reserves. One snap should be enough to retain the load. Since they concluded that a single B-12 snap was not strong enough to survive opening shock, they installed locking pins on Vector Tandems, to prevent losing students.