>Other important items to consider are the avoidance of sharp >objects and consideration of forces from your seat. Your >body can withstand more force downward than forward. For >those of us who sit on the aircraft's spars (as in a coupe) >he recommended the use of energy-absorbing foam, rather than >standard foam in seat cushions. It's what NASA uses in >spacecraft and the military uses in ejection seats. >
Where would one get this foam? Jack
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