Aeroplane construction and operation; including notes on aeroplane design and aerodynamic calculation, materials, etc. A comprehensive illustrated manual of instruction for aeroplane constructors, aviators, aero-mechanics, flight officers and students. Adapted either for schools or home study (1918)
Rathbun, John B · Chicago : Stanton and Van Vliet Co. · leaf 220
such as at the frontand rear spars, and at points between the lightening holes.By gluing thin strips to the webs (in a vertical direc-tion), and so that the tops and bottoms of the strips cometight against the upper and lower flanges, a great dealof the strain on the web can be avoided. The… … Fig. 4. Details of I Type Rib, Showing Lightening Holes and Stiffeners., it will be seen that the web is inserted into a groove cutin the flanges and is then glued into place. It would beunsafe to trust entirely to the glue, owing to the effects ofaging, moisture and heat, and consequently some…
Airplanes
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