Wind Tunnel (1955)

Hatfield, Hertfordshire. L/S then M/S of a group of aviation technicians attaching a model aircraft to a stand in a wind tunnel. The men leave the wind tunnel. L/S of man in white overalls walking to the end of the wind tunnel then closing a louvered door. Exterior shot of man climbing out of the tunnel . Two men then duck under metal construction. Interior - a glass windowed door is closed on the low speed wind tunnel which has another model aircraft suspended within it. It is a De Havilland Comet 3. M/S of a technician seated at a control panel. C/U of his hand pushing a button. L/S of a fan in action. C/U of a speed gauge. Closer shot of the fan. C/U of the technician concentrating on his work. M/S of two technicians at control panels watching the effect of the wind on the suspended model. Narrator explains that all six forces and movements to which an aircraft is susceptible can be tested by this means. M/S of the model plane. M/S of men at the controls. Low angle of the model being