Cart Shopping Cart My Store Account Orders Downloads Shopping Cart “7. Predetermination of Weight Efficiency” has been added to your cart. Continue Shopping “12. Weight Control – Aircraft Design Problem” has been added to your cart. Continue Shopping Remove item Thumbnail image Product Price Quantity Subtotal × 22. Preliminary Design Equations for Aircraft Weight Estimation $20.00 22. Preliminary Design Equations for Aircraft Weight Estimation 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 × 32. Weight and It's Effect on the Operation and Performance of Commercial Aircraft $20.00 32. Weight and It's Effect on the Operation and Performance of Commercial 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 × 7. Predetermination of Weight Efficiency $20.00 7. Predetermination of Weight Efficiency quantity $20.00 × 12. Weight Control - Aircraft Design Problem $20.00 12. Weight Control - Aircraft Design Problem quantity $20.00 Coupon: Apply coupon Update cart Available coupons (Click to apply). Cart totals Subtotal $120.00 Tax $0.00 Total $120.00 Proceed to checkout