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dirigible balloon:

see airshipairship,
an aircraft that consists of a cigar-shaped gas bag, or envelope, filled with a lighter-than-air gas to provide lift, a propulsion system, a steering mechanism, and a gondola accommodating passengers, crew, and cargo.
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a controlled lighter-than-air craft (aerostat). The main parts of a dirigible are the long gas-filled body (ordinarily filled with hydrogen or helium), which is blunt in the nose section and pointed at the tail for better streamlining; the empennage, which consists of horizontal and vertical crossed fixed surfaces (stabilizers and fins) and movable horizontal vanes for vertical and horizontal control; and one or more gondolas for housing the crew, passengers, motors, and equipment.

A distinction is made among nonrigid, semirigid, and rigid dirigibles. In the nonrigid and semirigid systems (Figures 1 and 2, respectively), the cloth body of the dirigible also serves as an envelope for the gas. Semirigid dirigibles have a metal truss in their lower part to prevent deformation of the envelope. In nonrigid and semirigid dirigibles the outer shape is retained by excess gas pressure, which is constantly maintained by ballonets into which air is forced. In rigid dirigibles (Figure 3), the shape is usually maintained by a metal frame; the gas is contained within the metal frame in sacks made of

Figure 1. Diagram of a nonrigid dirigible: (1) body envelope, (2) upper and lower stabilizers, (3) elevator, (4) side stabilizer, (5) rudder, (6) towlines for anchoring and moving dirigible on land, (7) pneumatic shock absorbers, (8) propeller-motor assembly, (9) gondola, (10) gondola guy ropes, (11) air-filled ballonet to maintain constant outer shape of body envelope during ascent, descent, and flight (the boundary of the volume occupied by the ballonet is indicated by the dotted line)

Figure 2. Diagram of a semirigid dirigible: (1) nose reinforcing, (2) bands, (3) outer envelope, (4) internal suspension cables, (5) diaphragm (partition) dividing the volume filled with gas or air into sections, (6) observation window, (7) side stabilizer, (8) upper and lower stabilizers, (9) elevator, (10) rudder, (11) motor gondolas, (12) fin mount, (13) gasoline tanks, (14) ballonets, (15) passenger gondola, (16) shock absorber

Figure 3. Diagram of a rigid dirigible: (1) gas shafts to draw off gas released Through valves, (2) into the atmosphere, (2) gas valves, (3) rings, (4) stringers, (5) outer envelope, (6) main control gondola, (7) passenge- decks, (8) crew quarters, (9) side motor gondola, (10) upper and lower stabilizers, (11) side stabilizer, (12) rudder, (13) elevators

gas-impermeable material. Nonrigid dirigibles vary in volume from 1,000 to 7,000 cu m; semirigid dirigibles, from 8,000 to 35,000 cu m. Rigid dirigibles may be as large as 200,000 cu m. The speed of a dirigible usually does not exceed 100-135 km/hr.

Dirigibles have been used for communications and for supplying remote, inaccessible regions, for reconnaissance and convoying ships at sea, and to search for submarines and minefields.


(aerospace engineering)
A lighter-than-air craft equipped with means of propelling and steering for controlled flight.


A large, steerable, self-propelled, and lighter-than-aircraft. Also called an airship
References in periodicals archive ?
The carrier's cucumber motif and insistence on dirigible flight were inspired by the gin's most prominent note of flavor, namely its infusion of cucumber essence (all the world over, Hendrick's & Tonics are served with slices of cucumber rather than the perfunctory lime.
The elderly narrator in the title story is, somewhat improbably, pitching the idea of a play about the doomed dirigible Shenandoah to the principal of Sam Houston Middle School.
Led Zeppelin, cuyo nombre esta inspirado en el famoso dirigible de los anos cuarenta, un trasporte aereo que se incendio, llego a ser un Titanic de los aires y venderse como invencible, un vehiculo que sobrepasaba limites para la tecnica de la epoca.
With the dirigibles, the cargo does not have to go to an airport.
By dawn on the 3rd, she was over eastern Ohio, near Marietta, where she ran into a violent storm with winds of up to 72 mph that broke the dirigible into three parts, scattering debris over the countryside.
We're building a platform that could allow bacterial dirigibles to be the next-generation disease fighters," said study leader William E.
Whistled Language Loves Her Lamb Last night I dreamt in Braille Each letter a dirigible Over which God's nimble Fingers do the walking Me talking you up proper, rollicky & as epiphanic as teacher's W-A-T-E-R Pressed into the excitable palm I want to be your personal Rosetta Stone Interpret this world for you through Love Chiseled in granite so that even when You're feeling blind with unknowing You can reach right out And run your long, your golden Holy Romans Over this solid, this lasting blessing
Prince Mit'eb bin Abdullah bin Abdulaziz, Deputy Commander of the National Guard for Executive Affairs and Deputy Chairman of the Supreme Committee for the National Festival for Heritage and Culture today gave the take-off signal for a dirigible carrying the name of the Custodian of the Two Holy Mosques on the occasion of the 25th session of the festival.
Un solitario, erratico y deteriorado dirigible suspendido en el cielo santiaguino del ano 2010, que sirvio, al igual que otros, de propaganda comercial para incitar a los habitantes de la ciudad a huir de ella y habitar parcelas de agrado, da a conocer el escenario espantoso de la eponima celebracion del bicentenario.
And as for green touring, the Portland, Oregon, scenesters say in their biog that they travel exclusively by Dr Herring's Brand Dirigible Balloons.
Also your article on Ernest Willows plot in Cathays Cemetery ("Dead and buried but not forgotten thanks to Friends", July 23), failed to mention that he named one of his airships "City of Cardiff" and in 1910 it became the first dirigible to fly from London to Paris.
In September 1923, the Navy launched USS Shenandoah (ZR 1), the first American-built military dirigible.