MacDonald, Alexander Forsyth, 1897-1965 · Port Credit, Ont. : Aviation Service Corporation · leaf 143
cylin-der. This in turn forces two pistons outward. Theseare connected to the shoes by CONNECTING LINKSand hence force the shoes to expand. Through adifference in the length of the connecting links, theprimary shoe is made to expand first, followed by thesecondary shoe. This gives a softer brake… … SCCONOAAY5HOC fig. 10. Hydraulic Brake. Most pneumatic brakes are similar in constructionto the hydraulic brakes described above, but utilize airpressure to actuate them. The Principle of the Dunlop Pneumatic Brake issomewhat like the idea of placing an automobile tireon the inside of the brake…
Airplanes
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