B-24 Consolidated Liberator

Consolidated B-24 Liberator

CountryUSA
RoleHeavy bomber / Anti-submarine warfare / Maritime patrol aircraft
First fly29 December 1939
Built19000+

The Consolidated B-24 Liberator is an American heavy bomber, designed by Consolidated Aircraft of San Diego, California. It was known within the company as the Model 32, and some initial models were laid down as export models designated as various LB-30s, in the Land Bomber design category. At its inception, the B-24 was a modern design featuring a highly efficient shoulder-mounted, high aspect ratio Davis wing. The wing gave the Liberator a high cruise speed, long range and the ability to carry a heavy bomb load. Early RAF Liberators were the first aircraft to cross the Atlantic Ocean as a matter of routine. However, the type was difficult to fly and had poor low speed performance. It also had a lower ceiling and was less robust than the Boeing B-17 Flying Fortress. While aircrews tended to prefer the B-17, General Staff favored the B-24, and procured it in huge numbers for a wide variety of roles. At nearly 19,000 units, with over 8,000 manufactured by Ford Motor Company, it holds records as the world’s most produced: bomber; heavy bomber; multi-engine aircraft; and American military aircraft in history.

Source: Consolidated B-24 Liberator on Wikipedia

Consolidated B-24M Liberator
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B-24 Liberator Walk Around
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See also:

World War II: The Definitive Visual History from Blitzkrieg to the Atom Bomb (DK Definitive Visual Histories) - Amazon World War II Map by Map (DK History Map by Map) - Amazon

Consolidated B-24M Liberator
PhotographerCees Hendriks
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Consolidated B-24M Liberator
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Consolidated B-24J Liberator Walk Around
PhotographerVladimir Yakubov
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LB-30 Liberator Walk Around
PhotographerMichael Benolkin
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The Most Produced American Aircraft

The B-24 Liberator was the heavy-lifting muscle of the Allied air campaign. While the B-17 Flying Fortress got the Hollywood fame, the B-24 did the heavy lifting across every theater of WWII. It was faster, carried a larger bomb load, and had a significantly longer range than the B-17. With over 18,000 units built—many coming off Henry Ford’s massive Willow Run assembly line at a rate of one per hour—the Liberator was the industrial hammer that broke the back of the Axis powers.

Attribute Technical Specification (B-24J)
Role Heavy Strategic Bomber / ASW Patrol
Crew 11 (Pilot, Co-pilot, Navigator, Bombardier, 7 Gunners)
Engines 4 × Pratt & Whitney R-1830-65 Twin Wasp (1,200 hp each)
Maximum Speed 478 km/h (297 mph) at 25,000 ft
Cruise Speed 346 km/h (215 mph)
Bomb Load Up to 3,600 kg (8,000 lbs) for short range
Defensive Armament 10 × .50 cal Browning M2 machine guns
Maximum Range 4,585 km (2,850 miles) — Ferry Range

Design Engineering: The Davis Wing and Roller Doors

  • The Davis Wing: The B-24 used a high-aspect-ratio “Davis” wing. It was very thin and long, which provided incredible fuel efficiency and lift at high altitudes. However, it was fragile; if the wing took significant damage from flak, it tended to snap more easily than the B-17’s rugged wing.
  • Roller-Top Bomb Doors: Unlike the outward-swinging doors of the B-17, the B-24’s bomb bay doors rolled up into the fuselage like a garage door. This reduced drag significantly when the doors were open over the target.
  • Tricycle Landing Gear: The B-24 was one of the first heavy bombers to feature a nose wheel. This made it easier to taxi and take off with heavy loads, but it gave the plane its famous “squat” look on the ground.
  • The “Flying Boxcar”: Because of its slab-sided fuselage and massive internal volume, it earned the nickname “Flying Boxcar.” This space made it a favorite for conversion into the C-87 Liberator Express transport.

Operational History: Ploesti and the U-Boat Menace

  • Operation Tidal Wave: The B-24 was the primary aircraft for the daring low-level raid on the Ploesti oil refineries in Romania (1943). Flying hundreds of miles at tree-top level, the Liberators’ long range was the only reason the mission was possible.
  • Closing the “Atlantic Gap”: The Liberator’s greatest contribution may have been the VLR (Very Long Range) variants. They patrolled the mid-Atlantic, where no other planes could reach, hunting German U-boats and finally ending the “Black Pit” where Allied shipping was most vulnerable.
  • Difficult to Fly: Pilots often complained that the B-24 was physically exhausting to fly. It lacked the “forgiving” flight characteristics of the B-17 and required constant manual input, earning it the grunt-work nickname “Lumbering Lib.”
  • The PB4Y-2 Privateer: The Navy loved the B-24 so much they created a specialized maritime version with a single massive vertical tail fin and even more sensors for long-range patrol.

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