| Název: Name: | McDonnell XP-67 | McDonnell XP-67 |
| Originální název: Original Name: | McDonnell XP-67 | |
| Kategorie: Category: | stíhací letoun | fighter aeroplane |
| Výrobce: Producer: | DD.12.1943-DD.MM.1943 McDonnell Aircraft Corp., St.Louis, Missouri | |
| Období výroby: Production Period: | DD.12.1943-DD.MM.1943 | |
| Vyrobeno kusů: Number of Produced: | 1 | |
| První vzlet: Maiden Flight: | 06.01.1944 | |
| Osádka: Crew: | 1 | |
| Základní charakteristika: Basic Characteristics: | ||
| Vzlet a přistání: Take-off and Landing: | CTOL - konvenční vzlet a přistání | CTOL - conventional take-off and landing |
| Uspořádání křídla: Arrangement of Wing: | jednoplošník | monoplane |
| Uspořádání letounu: Aircraft Concept: | klasické | conventional |
| Podvozek: Undercarriage: | zatahovací | retractable |
| Přistávací zařízení: Landing Gear: | kola | wheels |
| Technické údaje: Technical Data: | ||
| Hmotnost prázdného letounu: Empty Weight: | 8049 kg | 17745 lb |
| Vzletová hmotnost: Take-off Weight: | 10484 kg | 23114 lb |
| Maximální vzletová hmotnost: Maximum Take-off Weight: | 11521 kg | 25400 lb |
| Rozpětí: Wingspan: | 16.76 m | 55ft |
| Délka: Length: | 13.65 m | 44ft 9,25in |
| Výška: Height: | 4.8 m | 15ft 9in |
| Plocha křídla: Wing Area: | 38.46 m2 | 414 ft2 |
| Plošné zatížení: Wing Loading: | 260.72 kg/m2 | 53.4 lb/ft2 |
| Pohon: Propulsion: | ||
| Kategorie: Category: | pístový | piston |
| Počet motorů: Number of Engines: | 2 | |
| Typ: Type: | Continental XIV-1430-17/19 o vzletovém výkonu 1007 kW přeplňované turbokompresory GE D-23 | Continental XIV-1430-17/19, take-off power 1350 hp |
| Objem palivových nádrží: Fuel Tank Capacity: | ? | ? |
| Výkony: Performance: | ||
| Maximální rychlost: Maximum Speed: | 651.8 km/h v 7620 m | 405 mph in 25000 ft |
| Cestovní rychlost: Cruise Speed: | 434.5 km/h v ? m | 270 mph in ? ft |
| Rychlost stoupání: Climb Rate: | 13.2 m/s | 2600 ft/min |
| Čas výstupu na výšku: Time to Climb to: | ? min do ? m | ? min to ? ft |
| Operační dostup: Service Ceiling: | 11400 m | 37400 ft |
| Dolet: Range: | ? km | ? mi |
| Maximální dolet: Maximum Range: | 3836.7 km | 2384 mi |
| Výzbroj: Armament: | plánována: 6x pevný kanón Oldsmobile M4 (T9) M-4 T-9 ráže 37 mm ( po 45 nábojích ) | proposed: 6x 37-mm Oldsmobile M4 (T9) cannon, 45 rpg |
| Uživatelské státy: User States: | | |
| Poznámka: Note: | - | - |
| Zdroje: Sources: | Francillon, Rene J. McDonnell Douglas Aircraft Since 1920, Volume II. Naval Institute Press, Annapolis 1990. ISBN 0-85177-828-3. | |
McDonnell XP-67
History: McDonnell received an order to build two prototypes of the XP-67 long-range and high-altitude fighter on July 29, 1941. In an effort to achieve the highest possible aerodynamic purity, the aircraft was given very unusual shapes and the unofficial name BAT. The choice of engine units was fatal for the aircraft, as new untested Continental XIV-1430 engines were selected, which were 12-cylinder inverted forks with a planned output of 1350 to 1600 hp. The engines never reached this power and their power remained at the limit of 1060 horsepower. Throughout the tests, they overheated, jammed, and eventually, due to their fire, a total XP-67 crash. Thanks to these unsuccessful engines, the aircraft also did not reach the calculated performance, for example, the maximum speed should be 720 km/h. The aircraft itself was evaluated quite positively, especially the view from the cabin, its comfort and control in flight in all speed modes. The second prototype was no longer completed.
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