# 1/8 inch thick with 80% material cut out cutout = 0.8 ACPlySkin = ACMaterial() ACPlySkin.AreaDensity = ACPly.ForceDensity * ( 1 - cutout) * 0.125 * IN / g + Monokote.AreaDensity # Stringer material from basswood (w=0.25 in , t=0.25 in) # NOTE: added balsa to the stringer to approximate length of the balsa truss members w = 0.25 * IN t = 0.25 * IN BassStringer = ACMaterial() BassStringer.LinearForceDensity = (Basswood.ForceDensity + 8 * Balsa.ForceDensity) * w * t BalsaStringer = ACMaterial() BalsaStringer.Width = 0.25 * IN BalsaStringer.Thickness = 0.25 * IN BalsaStringer.ForceDensity = Balsa.ForceDensity cutout = 0.33 CarbonTail = ACMaterial() CarbonTail.Width = 1.07 * IN CarbonTail.Thickness = 1.07 * IN CarbonTail.ForceDensity = CarbonTube.ForceDensity * (1 - cutout) ############################################################################### # Wing Materials ############################################################################### # # Spar material (balsa, 1/4in width at max airfoil thickness + d-spar skin, balsa 1/16in)
# 1/8 inch thick with 80% material cut out cutout = 0.8 ACPlySkin = ACMaterial() ACPlySkin.AreaDensity = ACPly.ForceDensity * ( 1 - cutout) * 0.125 * IN / g + Monokote.AreaDensity # Stringer material from basswood (w=0.25 in , t=0.25 in) # NOTE: added balsa to the stringer to approximate length of the balsa truss members w = 0.25 * IN t = 0.25 * IN BassStringer = ACMaterial() BassStringer.LinearForceDensity = (Basswood.ForceDensity + 8 * Balsa.ForceDensity) * w * t BalsaStringer = ACMaterial() BalsaStringer.Width = 0.25 * IN BalsaStringer.Thickness = 0.25 * IN BalsaStringer.ForceDensity = Balsa.ForceDensity ############################################################################### # Wing Materials ############################################################################### # # Spar material (balsa, 1/4in width at max airfoil thickness + d-spar skin, balsa 1/16in) # sparw = 1 * IN UWthick = 1.5 * IN LWthick = 1.5 * IN LsparFD = Balsa.ForceDensity * sparw * LWthick UsparFD = Balsa.ForceDensity * sparw * UWthick