Cart Shopping Cart My Store Account Orders Downloads Shopping Cart “33. Some Problems in the Selection of Optimum Airplane Configurations for Minimum Weight” has been added to your cart. Continue Shopping “13. Will Accessories Impede Our Payload?” has been added to your cart. Continue Shopping “9. Aircraft Balancing and Center of Gravity Control” has been added to your cart. Continue Shopping “23. The Value of a Pound” has been added to your cart. Continue Shopping Remove item Thumbnail image Product Price Quantity Subtotal × 1. Weight Economy $20.00 1. Weight Economy quantity $20.00 × 10. Calculation of Landing Gear and Hydraulic System Weights $20.00 10. Calculation of Landing Gear and Hydraulic System Weights quantity $20.00 × 26. Weight Control Organization for Manufacturers $20.00 26. Weight Control Organization for Manufacturers quantity $20.00 × 33. Some Problems in the Selection of Optimum Airplane Configurations for Minimum Weight $20.00 33. Some Problems in the Selection of Optimum Airplane Configurations for Minimum Weight quantity $20.00 × 13. Will Accessories Impede Our Payload? $20.00 13. Will Accessories Impede Our Payload? quantity $20.00 × 9. Aircraft Balancing and Center of Gravity Control $20.00 9. Aircraft Balancing and Center of Gravity Control quantity $20.00 × 23. The Value of a Pound $20.00 23. The Value of a Pound quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $140.00 Tax $0.00 Total $140.00 Proceed to checkout