Cart Shopping Cart My Store Account Orders Downloads Shopping Cart “4. The Weight Engineer and the Flutter Problem” has been added to your cart. Continue Shopping “22. Preliminary Design Equations for Aircraft Weight Estimation” has been added to your cart. Continue Shopping Remove item Thumbnail image Product Price Quantity Subtotal × 2. Airplane Weight and Balance Control $20.00 2. Airplane Weight and Balance Control quantity $20.00 × 4. The Weight Engineer and the Flutter Problem $20.00 4. The Weight Engineer and the Flutter Problem quantity $20.00 × 22. Preliminary Design Equations for Aircraft Weight Estimation $20.00 22. Preliminary Design Equations for Aircraft Weight Estimation 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