Cart Shopping Cart My Store Account Orders Downloads Shopping Cart Remove item Thumbnail image Product Price Quantity Subtotal × 951. The Feasibility of the Large Freight Airship $20.00 951. The Feasibility of the Large Freight Airship quantity $20.00 × 1628. Computer Aided Determinaton of Rotor Blade Mass Properties $20.00 1628. Computer Aided Determinaton of Rotor Blade Mass Properties quantity $20.00 × 1636. Impact of Advanced Materials on Aircraft Design Weights: The Weight Improvement Factor $20.00 1636. Impact of Advanced Materials on Aircraft Design Weights: The Weight Improvement Factor quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $60.00 Tax $0.00 Total $60.00 Proceed to checkout