grs-pms(at)comcast.net
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 Posted: Thu Aug 03, 2006 12:24 pm Post subject: Seat belt attachment |
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Rocky writes "Remember, we don't have a 40g0 body."
As Col Stapp's rocket sled tests proved 50 years0 ago, when properly restrained, we do have a 40g body. I believe0 current ag plane cockpit design reflects this. For many years, the standard for FAR Part 23 aircraft was 9g forward and (I believe) 4&1/2g0 down. Airliner passenger seats were designed to the same limits. For0 airliners, these values have been increased. I have not used FAR 23 in0 several years, so I can't quote the current values for crew restraint in light0 aircraft.
The point is, we can benefit from increased0 restraint capability. My personal compromise is to get a capability for 20g forward on a 200 pound occupant, assuming the forward crash load to be equally divided between shoulder harness and seat0 belt. I modified my 601 restraints to realize this level of0 protection.
It's encouraging to hear that some 6010 restraints have survived certain accidents intact. Obviously, some 7010 restraints have not. "You pays your money and you takes your0 choice". If you are satisfied with what Chris has provided, I'll be the0 last to criticize you. No need to start a flame war over this0 issue.
I'll be happy to share my mods off-list with0 anyone who is interested.
George
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