Appearing in late-1944, the Dornier Do P.247/6 project was a short-lived offshoot design study influenced by the high performance Do 335 "Pfeil" (Arrow) twin-engine fighter - this heavy-class platform integrating its powerplants through an in-line arrangement, one seated forward of the cockpit and the other aft. The result was one of the fastest piston-powered fighters to see production during the whole of the war. From this experience, company engineers looked to develop another effective fighter / fighter-bomber, this time centered on a true "pusher" engine arrangement. With the engine set behind the pilot, the nose assembly was now hollowed out to encourage fitting of armament and the pilot's position was moved well-ahead of midships, giving excellent vision out-of-the-cockpit / over the nose.
This study produced a single-seat, single-engine design that could have been potentially produced at-speed in large numbers - particularly as the undercarriage and tailplanes were to be taken directly from the existing Do 335. The powerplant of choice was the proposed, experimental Junkers Jumo 213T inverted-Vee liquid-cooled, turbocharged engine running at 2,000 horsepower and used to drive a four-bladed propeller unit positioned at the extreme rear of the fuselage (via extension shaft). The engine itself was buried in the middle-aft section of the body with the cockpit held forward. Intakes were positioned to the sides of the fuselage at the wingroots. Mainplanes were positioned low along the sides of the fighter while given some sweepback to account for higher flying speeds. The tail, taken straight from the Do 335, incorporated a cruciform plane pattern with dorsal and ventral fins and standard horizontal planes. For ground-running, a rather modern retractable tricycle undercarriage would have been used.
Given that the high-speed fighter held its engine at the rear, the nose assembly could become a somewhat modular component of the design in that it could house armament but also specialized equipment for special-mission roles - antenna systems could be installed to have the fighter act as a night hunter.
With all this, engineers estimated their design to have a top speed of 515 to 520 miles-per-hour which would have made it faster than its twin-engine counterpart, the Do 335 (475 mph). Beyond this no other performance figures are known. Dimensions included a wingspan of 39.3 feet.
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(OPERATORS list includes past, present, and future operators when applicable)
✓Air-to-Air Combat, Fighter
General ability to actively engage other aircraft of similar form and function, typically through guns, missiles, and/or aerial rockets.
Ability to intercept inbound aerial threats by way of high-performance, typically speed and rate-of-climb.
✓X-Plane (Developmental, Prototype, Technology Demonstrator)
Aircraft developed for the role of prototyping, technology demonstration, or research / data collection.
Survivability enhanced by armor allocated to protect pilot / crewspaces and / or critical operating systems.
Design incorporates rear-facing pusher-prop arrangement, a contrast to the more conventional puller-prop layout.
Mainplanes, or leading edges, features swept-back lines for enhanced high-speed performance and handling.
Inherent ability of airframe to take considerable damage.
Can accelerate to higher speeds than average aircraft of its time.
Can reach and operate at higher altitudes than average aircraft of its time.
Manual process of allowing its pilot and / or crew to exit in the event of an airborne emergency.
Supports pressurization required at higher operating altitudes for crew survival.
Features partially- or wholly-enclosed crew workspaces.
Features retracting / retractable undercarriage to preserve aerodynamic efficiency.
41.8 ft (12.75 m)
39.4 ft (12.00 m)
15.6 ft (4.75 m)
14,771 lb (6,700 kg)
20,283 lb (9,200 kg)
+5,512 lb (+2,500 kg)
(Showcased structural values pertain to the Dornier P.247/6 production variant)
monoplane / low-mounted / swept-back
Design utilizes a single primary wing mainplane; this represent the most popular mainplane arrangement.
Mainplanes are low-mounted along the sides of the fuselage.
The planform features wing sweep back along the leading edges of the mainplane, promoting higher operating speeds.
(Structural descriptors pertain to the Dornier P.247/6 production variant)
1 x Junkers Jumo 213T inverted-Vee liquid-cooled, turbocharged piston engine developing 2,000 horsepower driving four-bladed propeller unit in pusher arrangement.
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