Consolidated P-30
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Consolidated P-30
Le monomoteur medium Consolidated P-30 comme vu sur Wikipedia de langue anglaise
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The Consolidated P-30 (PB-2) was a 1930s [Vous devez être inscrit et connecté pour voir ce lien] two-seat [Vous devez être inscrit et connecté pour voir ce lien].
An attack version called the A-11 was also built, along with two Y1P-25 prototypes and YP-27, Y1P-28, and XP-33 proposals.
The P-30 is significant for being the first fighter in [Vous devez être inscrit et connecté pour voir ce lien] service to have retractable landing gear, an enclosed and heated cockpit for the pilot, and an exhaust-driven turbosupercharger for altitude operation.
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The Consolidated P-30 (PB-2) was a 1930s [Vous devez être inscrit et connecté pour voir ce lien] two-seat [Vous devez être inscrit et connecté pour voir ce lien].
An attack version called the A-11 was also built, along with two Y1P-25 prototypes and YP-27, Y1P-28, and XP-33 proposals.
The P-30 is significant for being the first fighter in [Vous devez être inscrit et connecté pour voir ce lien] service to have retractable landing gear, an enclosed and heated cockpit for the pilot, and an exhaust-driven turbosupercharger for altitude operation.
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- Messages : 3213
Re: Consolidated P-30
Design and development
The P-30 had its origins in the canceled [Vous devez être inscrit et connecté pour voir ce lien]. After collapse of the [Vous devez être inscrit et connecté pour voir ce lien] in 1931, the chief YP-24 designer [Vous devez être inscrit et connecté pour voir ce lien] went to work for [Vous devez être inscrit et connecté pour voir ce lien].
Since the YP-24 was a victim of the [Vous devez être inscrit et connecté pour voir ce lien] and not flawed design and the Army Air Corps was still interested in the type, Woods continued his work, producing the Y1P-25.
The new aircraft differed from the YP-24 in being somewhat larger and having an all-metal wing and a turbosupercharged engine.
The Y1P-25 and its sister attack version, the Y1A-11 armed with four forward-firing machine guns and racks for 400 lb (182 kg) of bombs, were ready for testing in December 1932.
Although both prototypes were lost in crashes a week apart in January 1933, the USAAC was pleased enough to order production of four P-30 fighters and four A-11 attack aircraft.
Production versions differed from prototypes in having more powerful engines and revised landing gear and cockpit canopies.
The Y1P-25 crashed during flight testing at [Vous devez être inscrit et connecté pour voir ce lien], Ohio, on January 13, 1933, killing Captain [Vous devez être inscrit et connecté pour voir ce lien].
Exactly one week later, on January 20, 1933, the prototype XA-11 attack plane went down, claiming the life of Elmendorf's associate, Lieut. [Vous devez être inscrit et connecté pour voir ce lien].
The P-30 had its origins in the canceled [Vous devez être inscrit et connecté pour voir ce lien]. After collapse of the [Vous devez être inscrit et connecté pour voir ce lien] in 1931, the chief YP-24 designer [Vous devez être inscrit et connecté pour voir ce lien] went to work for [Vous devez être inscrit et connecté pour voir ce lien].
Since the YP-24 was a victim of the [Vous devez être inscrit et connecté pour voir ce lien] and not flawed design and the Army Air Corps was still interested in the type, Woods continued his work, producing the Y1P-25.
The new aircraft differed from the YP-24 in being somewhat larger and having an all-metal wing and a turbosupercharged engine.
The Y1P-25 and its sister attack version, the Y1A-11 armed with four forward-firing machine guns and racks for 400 lb (182 kg) of bombs, were ready for testing in December 1932.
Although both prototypes were lost in crashes a week apart in January 1933, the USAAC was pleased enough to order production of four P-30 fighters and four A-11 attack aircraft.
Production versions differed from prototypes in having more powerful engines and revised landing gear and cockpit canopies.
The Y1P-25 crashed during flight testing at [Vous devez être inscrit et connecté pour voir ce lien], Ohio, on January 13, 1933, killing Captain [Vous devez être inscrit et connecté pour voir ce lien].
Exactly one week later, on January 20, 1933, the prototype XA-11 attack plane went down, claiming the life of Elmendorf's associate, Lieut. [Vous devez être inscrit et connecté pour voir ce lien].
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- Messages : 3213
Re: Consolidated P-30
Operational history
US Army Air Corps testing in January 1934 revealed good performance, especially at altitude. However, pilots questioned utility of the gunner who had a limited field of fire and was vulnerable to blackouts during hard maneuvering.
Three P-30s were delivered to the [Vous devez être inscrit et connecté pour voir ce lien] at [Vous devez être inscrit et connecté pour voir ce lien].
In December 1934, the Army Air Corps ordered an additional 50 P-30A, redesignated PB-2A (Pursuit, Biplace), with further upgraded engines and onboard oxygen equipment for high altitude flying.
On 17 October 1936, Lt. [Vous devez être inscrit et connecté pour voir ce lien] flying a PB-2A won the [Vous devez être inscrit et connecté pour voir ce lien] race with a speed of 217.5 mph (350.2 km/h).
Although high-altitude flights were rare at the time, in March 1937, a PB-2A flew for 20 minutes at 39,300 feet (11,980 m).
Since the PB-2A was one of the few aircraft at the time to have retractable landing gear, several were damaged in unintentional "wheels up" landings.
US Army Air Corps testing in January 1934 revealed good performance, especially at altitude. However, pilots questioned utility of the gunner who had a limited field of fire and was vulnerable to blackouts during hard maneuvering.
Three P-30s were delivered to the [Vous devez être inscrit et connecté pour voir ce lien] at [Vous devez être inscrit et connecté pour voir ce lien].
In December 1934, the Army Air Corps ordered an additional 50 P-30A, redesignated PB-2A (Pursuit, Biplace), with further upgraded engines and onboard oxygen equipment for high altitude flying.
On 17 October 1936, Lt. [Vous devez être inscrit et connecté pour voir ce lien] flying a PB-2A won the [Vous devez être inscrit et connecté pour voir ce lien] race with a speed of 217.5 mph (350.2 km/h).
Although high-altitude flights were rare at the time, in March 1937, a PB-2A flew for 20 minutes at 39,300 feet (11,980 m).
Since the PB-2A was one of the few aircraft at the time to have retractable landing gear, several were damaged in unintentional "wheels up" landings.
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- Messages : 3213
Re: Consolidated P-30
Consolidated attempted to further refine the design by proposing further variants:
None of these proposals advanced to prototype stage.
One PB-2A was converted to a single-seat configuration, proposed as a replacement for the USAAC's [Vous devez être inscrit et connecté pour voir ce lien].
However, this conversion was still too heavy for the role, and the sole aircraft crashed during early flight testing.
While generally trouble-free, the PB-2A was slow and heavy, and by 1939 all had been replaced in frontline service by [Vous devez être inscrit et connecté pour voir ce lien] and Curtiss [Vous devez être inscrit et connecté pour voir ce lien] aircraft.
The A-11 attack version failed to win a production order beyond the original four aircraft in spite of good performance because the USAAC wanted more durable [Vous devez être inscrit et connecté pour voir ce lien] for its attack aircraft.
One was converted to the XA-11A testbed with the new [Vous devez être inscrit et connecté pour voir ce lien] with 1,000 hp (746 kW).
- YP-27 with a [Vous devez être inscrit et connecté pour voir ce lien]-21G Wasp engine of 550 hp (410 kW).
- YP-28 with a Pratt & Whitney R-1340-19F Wasp of 600 hp (448 kW).
- XP-33 with a [Vous devez être inscrit et connecté pour voir ce lien]-1 Twin Wasp of 800 hp (597 kW).
None of these proposals advanced to prototype stage.
One PB-2A was converted to a single-seat configuration, proposed as a replacement for the USAAC's [Vous devez être inscrit et connecté pour voir ce lien].
However, this conversion was still too heavy for the role, and the sole aircraft crashed during early flight testing.
While generally trouble-free, the PB-2A was slow and heavy, and by 1939 all had been replaced in frontline service by [Vous devez être inscrit et connecté pour voir ce lien] and Curtiss [Vous devez être inscrit et connecté pour voir ce lien] aircraft.
The A-11 attack version failed to win a production order beyond the original four aircraft in spite of good performance because the USAAC wanted more durable [Vous devez être inscrit et connecté pour voir ce lien] for its attack aircraft.
One was converted to the XA-11A testbed with the new [Vous devez être inscrit et connecté pour voir ce lien] with 1,000 hp (746 kW).
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- Messages : 3213
Re: Consolidated P-30
Variants
- Y1P-25 - further development of [Vous devez être inscrit et connecté pour voir ce lien], all-metal wing, [Vous devez être inscrit et connecté pour voir ce lien]-27 Conqueror engine with 600 hp (448 kW) and turbosupercharger, 1 built
- YP-27 - [Vous devez être inscrit et connecté pour voir ce lien]-21G Wasp radial engine with 550 hp (410 kW), none built
- Y1P-28 - Pratt & Whitney R-1340-19F Wasp with 600 hp (448 kW), none built
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- Messages : 3213
Re: Consolidated P-30
- P-30 (PB-2) - first production version of Y1P-25, V-1570-57 engine with 675 hp (504 kW) and turbosupercharger, 4 built
- P-30A (PB-2A) - V-1570-61 engine with 700 hp (522 kW) and turbosupercharger, 50 built
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- Messages : 3213
Re: Consolidated P-30
- XP-33 - [Vous devez être inscrit et connecté pour voir ce lien]-1 Twin Wasp with 800 hp (597 kW), none built
- Y1A-11 - ground attack version of Y1P-25 with 4x 0.30 in
(7.62 mm) forward-firing machine guns and up to 400 lb (182 kg) of
bombs, non-supercharged engine, 1 built - A-11 - trial run of the ground attack version, V-1570-59 engine without turbosupercharger, 4 built
- XA-11A - [Vous devez être inscrit et connecté pour voir ce lien] with 1,000 hp (746 kW), one A-11 converted by [Vous devez être inscrit et connecté pour voir ce lien]
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- Messages : 3213
Re: Consolidated P-30
Specifications (PB-2A)
Data from Singular Two-Seater[Vous devez être inscrit et connecté pour voir ce lien]
General characteristics
Data from Singular Two-Seater[Vous devez être inscrit et connecté pour voir ce lien]
General characteristics
- Crew: 2
- Length: 30 ft 0 in (9.14 m)
- [Vous devez être inscrit et connecté pour voir ce lien]: 43 ft 11 in (13.38 m)
- Height: 8 ft 3 in (2.51 m)
- Wing area: 297 ft (27.6 m)
- [Vous devez être inscrit et connecté pour voir ce lien]: 4,306 lb (1,950 kg)
- Loaded weight: 5,623 lb (2,556 kg)
- Powerplant: 1× [Vous devez être inscrit et connecté pour voir ce lien]-61 Conqueror liquid-cooled [Vous devez être inscrit et connecté pour voir ce lien], 700 hp (520 kW)
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- Messages : 3213
Re: Consolidated P-30
Performance
- [Vous devez être inscrit et connecté pour voir ce lien]: 275 mph (239 knots, 443 km/h) at 25,000 ft (7,620 m)[Vous devez être inscrit et connecté pour voir ce lien]
- [Vous devez être inscrit et connecté pour voir ce lien]: 215 mph (187 knots, 346 km/h) at 15,000 ft (4,600 m)
- [Vous devez être inscrit et connecté pour voir ce lien]: 508 mi (442 nmi, 818 km)
- [Vous devez être inscrit et connecté pour voir ce lien]: 28,000 ft (8,530 m)
- Climb to 15,000 ft (4,600 m): 7 min 48 s
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- Messages : 3213
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