Retractable landing gear

part · 1920 · Electric age

Landing gear that folds away in flight.

What it is made of

• Hydraulic cylinder — has part. Retraction cylinders.

Principles and materials it uses

• Drag — uses. Retracting reduces drag.
• Steel — is made of. The legs are steel.

What it is a kind of

• Landing gear — is a kind of. Landing gear.

Take Retractable landing gear apart

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