thanks for your answers. i want to put the wood sheets between the ribs. do you know the thickness of the polyurethane foam that are between the ribs ??
--- Mark Langford <n5...@hiwaay.net> escribió: > Pete wrote: > > > I think you make those wings too heavy, as you > will have to make it > > quite thick, or you will not be able to sand it to > shape. > > Surely he's talking about using thin sheets to skin > between the ribs. Other > planes are built that way (such as the Cassutt > Racer). With thin balso wood > sheets and a couple of layers of fiberglass, I'll > bet it would be both light > and strong. Sound like some testing would be in > order to measure the weight > difference, but it would have to be stronger, and > would be far less likely > to delaminate than glass stuck to weak foam. > > Mark Langford, Huntsville, Alabama > see KR2S project N56ML at > http://home.hiwaay.net/~langford > email to N56ML "at" hiwaay.net Salu2 Eduardo Navarrete Quito-Ecuador +593-9-8243079 (cell) +593-2-2344568 (home) +593-2-2906898 (office) "ANDEAN KR2" __________________________________________________ Correo Yahoo! Espacio para todos tus mensajes, antivirus y antispam ¡gratis! Regístrate ya - http://correo.espanol.yahoo.com/