Junkers Ju 248

Ju 248 / Me 263
Type:	Missile fighter
Design country:	German Empire
Manufacturer:	Junkers aircraft and engine plants
First flight:	August 1944
Commissioning:	Never put into service
Production time:	1944 to 1945
Number of pieces:	3-5

Drawing of the Ju 248

The Junkers Ju 248 was a German rocket propelled fighter from the last year of the Second World War . It was a further development of the Messerschmitt Me 163 .

development

After the first operational experience with the Me 163B, the improved versions Me 163C and D followed, which were to receive the new HWK 109-509C engine with an additional marching combustion chamber (referred to as “marching furnace”). However, the RLM decided to redesign. Since the Messerschmitt development department was overloaded with new projects in the hunter emergency program , Junkers received the order. The fuselage and cockpit of the new rocket fighter had been aerodynamically redesigned and, as intended, had a retractable landing gear that was still rigidly designed to shorten the development and construction time for the first Ju 248 V1 prototype. The wings were taken over from the Me 163B with minor changes, the armament was mounted in the wing roots. Since the planned engine was not yet ready by August 1944, the first test flights began unpowered in the tow of a Ju 188 . Overall, the flight characteristics were better than those of the Me 163. The engine was finally available in autumn 1944, its thrust of the main combustion chamber could be regulated between 400 and 1960 kp, the march combustion chamber delivered an additional 400 kp. Once the operating altitude was reached, the main combustion chamber was regulated, which more than doubled the flight time compared to the Me 163. After completion of the testing, the entire design was returned to Messerschmitt, where it was given the type designation Me 263 . In total, depending on the source, only three or five prototypes were completed, some of which fell into the hands of the Allies. In the Soviet Union, Mikoyan-Gurevich was inspired to create a similar pattern, the I-270 .

In the film Steely Adler III , the aircraft was ARES the company Scaled Composites shown as Me 263rd

Me163 d presumably also called Ju 248 V1

Technical specifications

Parameter	Data
crew	1
length	7.89 m
span	9.55 m
height	2.70 m
Wing area	17.80 m²
Wing area loading	Empty weight: 123.6 kg / m² max. Takeoff mass: 298.4 kg / m² Landing mass: 147.5 kg / m²
Wing extension	5.1
Empty mass	2200 kg
Max. Takeoff mass	5312 kg
Landing mass	2626 kg (based on fuel consumption)
Top speed	950 km / h (at 6000 m)
Marching speed	145 km / h (gliding)
Climbing time to 13,000 m	3 min
Max. Altitude	16,000 m
Range	165 km (from 11 km gliding)
Engine	a rocket engine Walter HWK 109-509C-4 with up to 2355 kp thrust
Armament	two 30 mm MK 108 cannons

See also

• List of aircraft types

Web links

Commons : Messerschmitt Me 263  - Collection of images, videos and audio files