De quoi est fait dirigeable souple
An airship without a rigid frame.
- Balloon envelope — a pour partie. A sealed envelope whose shape is held by helium pressure.
- Airship ballonet air bag — a pour partie. An internal air bag that regulates pressure and altitude.
- Wicker gondola basket — a pour partie. A crew cabin under the envelope.
- Propeller — a pour partie. Propellers provide thrust.
- Tail fins and rudder — a pour partie. Rudder and elevators.
- Helium — utilise. Helium.