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 “27. The Significance of Weight Control” has been added to your cart. Continue Shopping “3. Aircraft Accessories – A Weighty Problem” has been added to your cart. Continue Shopping Remove item Thumbnail image Product Price Quantity Subtotal × 4. The Weight Engineer and the Flutter Problem $20.00 4. The Weight Engineer and the Flutter Problem quantity $20.00 × 27. The Significance of Weight Control $20.00 27. The Significance of Weight Control quantity $20.00 × 3. Aircraft Accessories - A Weighty Problem $20.00 3. Aircraft Accessories - A Weighty Problem 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