Dornier Do P.254 Technical Specifications
Service Year: 1945
Type: Mixed-Propulsion Heavy Fighter Aircraft Proposal
National Origin: Nazi Germany
Manufacturer(s): Dornier Flugzeugwerke / Heinkel - Nazi Germany
Production Total: 0
Structural (Crew Space, Dimensions and Weights)
Operating Crew (Typical): 1
Overall Length: 45.44 feet (13.85 meters)
Overall Width: 45.28 feet (13.80 meters)
Overall Height: 14.93 feet (4.55 meters)
Weight (Empty): 16,755 lb (7,600 kg)
Weight (MTOW): 22,267 lb (10,100 kg)
Installed Power and Standard Day Performance
Propulsion: 1 x Daimler-Benz DB603A 12-cylinder inverted engine developing 1,725 horsepower and driving a three-bladed propeller at the nose; 1 x Heinkel-Hirth HeS 011 turbojet engine in aft fuselage developing 2,866lb of thrust.
Maximum Speed: 525 mph (845 kph; 456 knots)
Maximum Range: 932 miles (1,500 km)
Service Ceiling: 40,026 feet (12,200 meters; 7.58 miles)
Rate-of-Climb: 2,300 feet-per-minute (701 m/min)
Armament / Mission Payload
ASSUMED (based on Do 335):
1 x 30mm MK 103 cannon firing through the propeller hub in nose.
2 x 20mm MG 151/20 cannons in engine cowling synchronized to fire through the spinning propeller blades.
Up to 2,200lb of externally-held drop stores.
Global Operators / Customers
Nazi Germany (cancelled)
Model Variants (Including Prototypes)
P.254 - Base Project Designation
Do 535 - Alternative project designation
He 535 - Revised designation