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NIKI Rotor Aviation Kallithea K2 vs Sport Copter Vortex

Published specifications side by side. Every figure comes from the manufacturer, with the date it was last checked on each model page.

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Compare the exact engine and equipment variant before deciding. Values below retain the original source units and conditions; a missing value is not a disadvantage or a zero.

NIKI Rotor Aviation Kallithea K2 and Sport Copter Vortex compared on published specifications.
Specification NIKI Rotor Aviation Kallithea K2 Sport Copter Vortex
Cruise speed 140 km/h Source · checked 2026-07-19 Not recorded
Empty mass 350 kg Source · checked 2026-07-19 Not recorded
Engine Rotax 916 iS Source · checked 2026-07-19 Rotax 582 standard; Rotax 618 or Subaru Legacy four cylinder also accepted Source · checked 2026-08-22
Engine power 160 hp Source · checked 2026-07-19 Not recorded
Fuel capacity 2×40 Liter Source · checked 2026-07-19 Not recorded
Height 2800 mm Source · checked 2026-07-19 Not recorded
Length 4950 mm Source · checked 2026-07-19 Not recorded
Propeller Composite Source · checked 2026-07-19 Not recorded
Rotor diameter 8,8 m Source · checked 2026-07-19 Not recorded
Takeoff roll 0-150 m Source · checked 2026-07-19 Not recorded
Maximum takeoff mass 600 kg Source · checked 2026-07-19 Not recorded
Never-exceed speed (VNE) 180 km Source · checked 2026-07-19 Not recorded
Endurance Endurance 4h Source · checked 2026-07-19 Not recorded

1 of 13 specifications are published by both manufacturers. A blank is a value not recorded in our sources, not a zero and not a weakness. Verify anything that matters against the flight manual before you buy.

NIKI Rotor Aviation Kallithea K2 in full Sport Copter Vortex in full

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