Landing gear design

aeroplane angle arrangement articulated auxiliary axis axle bearings bogie Bristol Britannia castoring castoring wheel cent centre centrifugal switch clearance coefficient of friction compression construction cylinder damper damping dashpot deceleration Decelostat deflection diagram diameter disc disc brake drag load drum dynamic loads energy Engineers factor fitted flange flywheel ground high pressure hinged hydraulic illustrated in Fig jack landing gear designer layout lever linkage liquid spring lock main legs main wheels maximum mechanism Messier Ministop Ministry of Supply mounted normal nose nosewheel oleo operating orifice piston pivot pneumatic practice radius rod ratio retraction rotation Royal Aeronautical Society rubber runway shimmy shock absorber shown in Fig side load skid sliding tube speed static load steel steering stop stress strut swivel tail tail-down tail-up tailwheel take-off taxying telescopic toggle torque touch-down twin typical tyre tyre pressure undercarriage unit usually valve velocity vertical welding wheel load