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| Hi Jeff: No, I did not do pull tests. It was the original build attach point for the original inertial reels. I have had roof mounted shoulder straps. My incremental safety issue was getting rid of the reels and increasing the belt strength. The belts and hardware have a higher rating so the attach point is still the same risk as before. I'm guessing it is similar or better to the common attach point at the top of the fuselage but I have no data for that. Of all the attach points on the Legacy, the backrest in the photo appears to be the strongest of them all on my Legacy. I think the center console attach for the lap is weakest and the outside fuselage bolt for the lap is next weakest. I think they would all need doublers and extra bids to prevent the bolts from pulling out of the structure.
If I had better data I would be prepared to add some beef to the attach points or move them. I don't see it being too difficult to add doublers to any of those locations but I'm not a builder so I would wait for someone better to come along with a plan and photos.
Paul Paul,
Have you done a pull test on the attach point?
Jeff
Sent from my iPad Stan, the back seat already had a mounting point for the reels so I just attached the two shoulder points with a swivel bushing. The mount is a phenolic block that doubles onto the backrest. I think it would hold a good load. An option would be two blocks but either way should be an easy install for the shoulder straps. Pic follows:
Hello Paul, I would like to know more about how you mounted the shoulder straps. I am planning to do the same and don't need to re-invent what you've already done. Stan Fields L2KR/G # 201 Austin
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