At 11:22 AM 6/10/2005, you wrote: >I plan on using 5.9oz carbon fiber to lay up the turtle deck. I need to know >if I should use foam as a substrate (sandwich), or is it acceptable to just >build a mold and lay it up over that withough any foam. Is the foam going >to add enough strength to offset the weight penality 2-3 lbs? Shouldn't the >carbon be strong enough to stand on its own without "oil canning"?
I did something similar except it is glass and not carbon. I made mine from three plies of glass and then added foam hoop stringers spaced about 8 inches apart covered with an additional two plies of glass and a foam/glass bulkhead behind the baggage area. I also have a foam/glass area right behind the canopy. It is very strong and does not oilcan. Photos are available on my site. Don Reid - donreid "at" peoplepc.com Bumpass, Va Visit my web sites at: AeroFoil, a 2-D Airfoil Design And Analysis Computer Program: http://aerofoilengineering.com KR2XL construction: http://aerofoilengineering.com/KR/KR2XL.htm Aviation Surplus: http://aerofoilengineering.com/PartsListing/Airparts.htm EAA Chapter 231: http://eaa231.org Ultralights: http://usua250.org VA EAA State Fly-in: http://vaeaa.org
