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Old 4th Aug 2013, 19:01
  #41 (permalink)  
Ian W
 
Join Date: Dec 2006
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@EEngr

Quote:
Although safety experts say assuming the crash position would have limited jolting to the spine, passengers appear to have received little or no warning of the impact.
No warning might be the case in many more crashes. So perhaps its time to forget about a crash position and equip all seats with shoulder belts.
and those shoulder belts (which have no anchor points) would need to be equipped with pre-tensioners that pull the pax into the correct position for a vertical impact just having shoulder straps would not do it as many ejectees have found to their cost.

Problems.
--Anchor points for shoulder straps
--Getting pax to put shoulder straps on when they moan at lap belts
--Getting the beancounters to accept the extra weight/cost of shoulder straps and tensioners.
--Issues with escape when pax are secured by lap and shoulder straps.

There are a lot of 'sound bite' good ideas, until you sit down with an engineer who has to make the 'good idea' a 'functional idea'.
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