Albert Cassar wrote: >Is there a specific gravity for the foam that is used on the KR and > is the foam part of the structural strength.
2 lbs/cubic foot is the density. The foam is not really structural (slightly, in compression, I guess you could say), it's really there to act as a form for the fiberglass. But in the case of a "sandwich", you could say it's structural. Mark Langford, Huntsville, Alabama see KR2S project N56ML at http://home.hiwaay.net/~langford email to N56ML "at" hiwaay.net --------------------------------------------------------------