Cart Shopping Cart My Store Account Orders Downloads Shopping Cart “30. The Effect of Center of Gravity on Performance” has been added to your cart. Continue Shopping “4. The Weight Engineer and the Flutter Problem” has been added to your cart. Continue Shopping “34. Pneumatic Controls for Aircraft” has been added to your cart. Continue Shopping “10. Calculation of Landing Gear and Hydraulic System Weights” has been added to your cart. Continue Shopping Remove item Thumbnail image Product Price Quantity Subtotal × 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 × 30. The Effect of Center of Gravity on Performance $20.00 30. The Effect of Center of Gravity on Performance quantity $20.00 × 4. The Weight Engineer and the Flutter Problem $20.00 4. The Weight Engineer and the Flutter Problem quantity $20.00 × 34. Pneumatic Controls for Aircraft $20.00 34. Pneumatic Controls for Aircraft 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 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $100.00 Tax $0.00 Total $100.00 Proceed to checkout