Earlier during the war, when the British were minimally aware of German developments in technology, the future was still uncertain; there was still the serious competition for the jet contracts. Heinkel had also been developing a twin-engine fighter with their jet fighter. This design was designated the Heinkel He 280 V2, and the British were well aware of when the first prototype flew from Rostock on March 30, 1941, with test pilot Fritz Schäfer at the controls. The engine was a six-stage axial-flow BMW P 3302 and was actually Germany’s first jet aircraft—months ahead of the Me 262 in development and years ahead of the Arado Ar 234 bomber.
The report from Fritz Schäfer was promising, despite the engines being underpowered and unreliable, and the final report landed on the desk of Ernst Udet. The Heinkel He 280 proved to be a serious competitor to the Me 262 early on, and the comparisons between the two aircraft are quite revealing. (See Tables 4through 7for a comparison between the He 280, Ar 234, and Me 262 production specifications.)
TABLE 4:
ARADO AR 234B PRODUCTION SPECFICATIONS
| Crew |
1 |
| Wingspan |
14.1 meters/46 feet 4 inches |
| Wing area |
26.4 square meters/284.16 square feet |
| Length |
12.6 meters/41 feet 6 inches |
| Height |
4.30 meters/14 feet 1 inch |
| Empty weight |
5,200 kilograms/11,464 pounds |
| Max loaded weight |
9,850 kilograms/21,715 pounds |
| Maximum speed |
740 kph/460 mph |
| Service ceiling |
10,000 meters/32,810 feet |
| Operational radius |
800 kilometers/500 miles (435 nautical miles) |
TABLE 5:
ARADO AR 234C PRODUCTION SPECFICATIONS
| Crew |
1 |
| Wingspan |
14.1 meters/46 feet 4 inches |
| Wing area |
26.4 square meters/284.16 square feet |
| Length |
12.6 meters/41 feet 6 inches |
| Height |
4.30 meters/14 feet 1 inch |
| Empty weight |
5,990 kilograms/13,200 pounds |
| Max loaded weight |
9,890 kilograms/21,800 pounds |
| Maximum speed |
873 kph/542 mph |
| Service ceiling |
12,000 meters/39,370 feet |
| Operational radius |
660 kilometers/410 miles |
TABLE 6:
HE 280 PRODUCTION SPECFICATIONS
| Crew |
1 |
| Wingspan |
12.20 meters/40 feet |
| Wing area |
21.5 square meters /233 square feet |
| Length |
10.40 meters/34 feet 1 inch |
| Height |
3.06 meters/10 feet |
| Empty weight |
3,215 kilograms/7,073 pounds |
| Loaded weight |
4,280 kilograms/9,416 pounds |
| Max takeoff weight |
4,300 kilograms/9,470 pounds |
| Maximum speed |
820 kmh/512 mph |
| Service ceiling |
10,000 meters/32,000 feet |
| Operational radius |
370 kilometers/230 miles |
| Rate of climb |
1,145 meters per minute/3,756 feet per minute |
| Powerplant |
2 × Heinkel He S.8 turbojet, 5.9 kN (1,320 pounds) each |
| Armament |
3 × 20mm MG 151/20 cannons |
There were several reasons for the Me 262 being awarded the final production contract, supplanting the He 280 as a fighter design. Perhaps the most prevalent reason was that the airframe design allowed for many different aerodynamically feasible configurations. This ability to adapt the airframe to multiple roles would be both a blessing and a curse. The flexibility of the design intrigued Göring, who wanted aircraft that could perform many roles without having to resort to the expense of new designs. The negative effect of having this multiple role capability would provide Hitler with the opportunity to become just one of many problems that would delay fighter production.
Of all the proposed jet designs, the Me 262 was provided with the greatest array of options. (See Table 8for operational variants.) This was probably due to the great interest and belief in the design, not only as a multi-role aircraft, but also because, despite its revolutionary airframe design, the fuselage was cheaper to produce than any other German aircraft made during the war. The airframe was not a multifaceted riveted cross-section of various components, unlike the Me 109 and Fw 190. In addition, unlike the Ar 234 and He 280, it required less armored glass and the design allowed for the hydraulic, electrical, and fuel lines to be laid out without the circuitous bending and binding to fit into small spaces, thus reducing building time in man-hours as well as using fewer materials.
The first full production model Me 262A-1a flew on June 7, 1944, with the first delivery of the A-0 version previously delivered at Rechlin in May 1944; the first experimental combat unit (EK-262/ Thierfelder ) received theirs on June 30, 1944. The first regular squadron (8/ZG-26) received their jets in September 1944, while Kommando Nowotny also received limited numbers by late August.
The Ar 234 was given great consideration by the RLM, hence it later becoming Hitler’s “Blitz Bomber” to release Me 262s for fighter service. The success of the Ar 234 was due to many factors. In many ways, the Ar 234 was a far more advanced jet aircraft than the Me 262. However, there were also a few drawbacks that allowed the Me 262 to take the premier fighter role.
TABLE 7:
ME 262 PRODUCTION SPECFICATIONS
| Crew |
1 |
| Wingspan |
12.48 meters/40 feet 11 ½ inches |
| Wing area |
21.70 square meters/233.58 square feet |
| Length |
10.60 meters/34 f 9 ½ inches |
| Height |
3.84 meters/12 feet 7 inches |
| Empty weight |
3,800 kilograms/8,378 pounds |
| Max takeoff weight |
6,400 kilograms/14,110 pounds |
| Maximum speed |
870 kmh/540 mph at 6,000 meters/19,685 feet |
| Service ceiling |
11,450 meters/37,565 feet |
| Operational radius |
1,050 kilometers/652 miles without auxiliary fuel tanks on standard cruise speed at 300 mph |
| Powerplant |
Two Junkers GmbH 900 kw/1,984 horsepower thrust Jumo 004B turbojet engines |
| Armament |
Four 30mm MK 108 cannons in the nose, two guns with 100 rounds each and two with 80 rounds each; (262A-1a/U1) two 30mm MK 103 cannons, two MK 108 cannons and two 20 mm MG 151/20 cannons; (A-1b) as A-1a plus twenty-four fin stabilized R4M 50mm rockets; (B-2a) A-1a plus two inclined MK 108 cannons behind the cockpit in Schräge Musik installation; (D) SG 500 Jagdfaust with twelve rifled mortar barrels in nose; (E) 50mm MK 114 gun or 48 R4M rockets; (A-2a bomber) one 1,102-pound (500-kilogram) bomb or two 551-pound (250-kilogram) bombs in the Me 262A-2a fighter-bomber version. |
TABLE 8:
ME 262 OPERATIONAL VARIANTS
| Me 262A-0 |
Preproduction test model. |
| Me 262A-1a |
Me 262A-1a/U1: With two 30mm MK 103, two MK 108, two 20mm MG 151/20 cannons. |
| 262A-1a/U2 |
All-weather fighter, with the standard radio replaced with the FuG 125. |
| 262A-1a/U3 |
Unarmed reconnaissance aircraft with two RB 50/30 focal length cameras. |
| Me 262A-1b |
The same as A-1a, but including twenty-four spin-stabilized R4/M 55mm rockets. |
| Me 262A-2a |
Fighter-bomber, identical to the 1a variant but with the addition of bomb racks. |
| Me 262A-3a |
Had increased armor protection around the cockpit. |
| 262A-5a |
Armed reconnaissance aircraft with two MK 108 cannons and a pair of drop tanks for extended range of up to 950–1,000 miles at cruising speed of 300 mph. |
| 262B-1a |
Two-seat trainer for transition flight instruction. |
| 262B-1a/U1 |
Converted to night fighter two-seater version prior to dedicated night fighter construction. |
| 262B-2a |
Dedicated night fighter, which was the same as A-1a but included two-inclined MK 108 behind the cockpit in Schräge Musik installation, as well as some models carrying the SG 500 Jagdfaust with twelve rifled mortar barrels inclined in nose. Other carried the 50mm MK 114 gun or forty-eight R4M rockets. |
| Me 262C |
Experimental model flown in February 1945 using auxiliary rocket boosting, what is today called RATO (rocket assisted takeoff), but only three models were ever produced. |
| Avionics |
Me 262B-1a night fighter, SN2 Lichtenstein radar. All other variants were standardized for simplicity of production and maintenance. |
| History |
First flight for the Me 262V-1 on the Jumo 210 piston engine was April 4, 1941, with subsequent flights, including the April 18 flight. Me 262V-3 first flew on two Jumo 004-0 turbojets flew on July 18, 1942. {1} |
The Ar 234 had a high landing speed and was the first mass production aircraft to provide a drag chute for deceleration as standard equipment. The rounded nose of the aircraft was covered with Plexiglas, which provided the pilot an excellent view to the front, which was especially valuable to reconnaissance pilots, although the design did not provide a view to the rear, except through a periscope, which was not standard equipment on the prototypes. It was in fact this very Plexiglas nose design that made Kurt Welter decide not to employ the Ar 234 as a night fighter.
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