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Old 07-14-2012, 11:10 PM   #21 (permalink)
Tango Charlie
Deadly Efficient
 
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Join Date: Jun 2008
Location: Goshen, Indiana
Posts: 1,234

Olivia - '03 Pontiac Vibe base
90 day: 36.01 mpg (US)

R2-D2 - '00 Honda Insight
90 day: 58.81 mpg (US)
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E-glass is your more common, everyday fiberglass cloth. It's formulation was originally developed as an electical wiring insulation. The 'E' stands for electrical.

The composition of the glass fibers in S-glass were developed specifically as a structural material. It is 30% stronger and 15% stiffer than E-glass, according to Aircraft Spruce and Specialty.

The homebuilt aircraft community would be a good source of information for the use of fiberglass/foam composites in structural applications. I haven't got a hold of a copy yet, but I hear Burt Rutan's manual; "Moldless Composite Sandwich Aircraft Construction", is the accepted bible of the technique.

Nice progress so far!

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