Bell206 v1.0
Add-On for Orbiter2024

Credits:
Engine model, lua code: Thunder Chicken
Instrument elements: misha.physics
Buck Rogers
Martin Schweiger & Orbiter Forum members

REQUIREMENTS

Activate "Enable absolute animation handling" in the Video/Advanced tab.

INSTALLATION
Extract all files in the orbiter2024 folder to the root of your Orbiter program directory, preserving the directory structure. This should NOT overwrite anything in the standard Orbiter package.

CONTROLS

E to toggle engine on/off
CTRL+NUMPAD +/- to throttle engine
NUMPAD 0/. to set collective
NUMPAD 1/3 to apply tailrotor torque
A to engage altitude hold (controls collective)
-K to engage level hold (not functional)
CTRL+L to toggle exterior lights
CTRL+(+/-) to change cabin light level
SHIFT+(+/-) to change instrument light level
I for help information

CONTENTS

2x Bell 206 Helicopters powered by Thunder Chicken's accurate engine and propeller models providing realistic performance simulation.

Cockpit still WIP but fully functional including animated flight sticks and low fuel indicater, to do: level autopilot and textures.


Bell 206 Ranger Helicopter

Technical Specifications

Crew: 1
Capacity: 4 passengers
Length: 38 ft 9.5 in (11.824 m) including rotors
Fuselage length: 31 ft 2 in (9.50 m)
Height: 9 ft 6.5 in (2.908 m)
Interior dimensions: 7 ft 2 in (2.18 m) length, by 4 ft 2 in (1.27 m) width, by 4 ft 3 in (1.30 m) height, plus 16 cu ft (453 L) baggage compartment
Empty weight: 1,455 lb (660 kg)
Max takeoff weight: 3,200 lb (1,451 kg)
Powerplant: 1 × Allison 250-C20 turboshaft engine, 400 hp (298 kW)
Main rotor diameter: 33 ft 4 in (10.16 m)
Main rotor area: 873 sq ft (81.1 m2)
Blade section: – NACA 0012 mod (11.3%)[78]

Performance

Maximum speed: 122 kn (140 mph, 226 km/h) at MTOW (sea level)
Maximum speed at 5,000 ft: 116 kn (133 mph; 215 km/h) at MTOW
Cruise speed: 120 kn (140 mph, 220 km/h) at MTOW, 5,000 feet
Range: 337 nmi (388 mi, 624 km) at MTOW, 5,000 feet, cruise speed, no reserves
Service ceiling: 20,000 ft (6,100 m) at MTOW
Rate of climb: 1,350 ft/min (6.9 m/s)
Disk loading: 4 lb/sq ft (20 kg/m2)
Power/mass: 0.09 hp/lb (0.15 kW/kg)


Bell 206 Jetranger II

Powerplant: 2 × Allison 250-C20 turboshaft engine, 400 hp (298 kW)
Empty Weight: 2747 Lb

-Jane's All The World's Aircraft, 1976-1977


Buck Rogers 20-03-2025