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Fkfs
Has everyone seen the 'extensible' inflated boat tail from 1936 FKFS that Fachsenfeld et al developed? It's featured in Hucho's book and is the sweetest I've ever seen.
Hucho suggest up to a 35% drag reduction,which would be a 17.5% mpg at 55-mph,more at higher speed.
Goodyear Aerospace has the fabric.Inflatable advertising manufacturers.
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