WesWorld

Wingspan: 7.70 metres
Length: 7.72 metres
Height: 2.19 metres
Wing area: 10.50 sq. metres
Empty weight: 2,046 kg
Loaded weight: 3,636 kg

Armament: Two fixed 20mm cannon with 120 rpg plus underwing hardpoints for 500 kg ordnance

Powerplant: Two Junkers Jumo 004 B-1 turbojets, each rated at 8.8 kN

Maximum speed: 820 kph
Maximum range: 820 km
Cruise speed: 750 kph at 5,000 metres
Service ceiling: 11,000 metres

It's difficult to compare like for like with an historical aircraft when AU changes have been made, but this looks ok and in the right ballpark for a larger and more powerful development of the historical Ikarus 451MM