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Started By
Message
re: Another CV-22 Osprey Crash, one Marine dead
Posted on 11/29/23 at 8:02 am to wileyjones
Posted on 11/29/23 at 8:02 am to wileyjones
quote:
they fill a pretty niche role in terms of range speed and vtol
Out of curiosity, I checked the Osprey’s performance against the Chinook
Chinook
quote:
General characteristics
Crew: 3 (pilot, copilot, flight engineer or loadmaster)
Capacity:
33–55 troops or
24 stretchers and 3 attendants or
24,000 lb (10,886 kg) payload
Length: 98 ft (30 m) [190]
Fuselage length: 52 ft (16 m)
Width: 12 ft 5 in (3.78 m) (fuselage)[190]
Height: 18 ft 11 in (5.77 m)
Empty weight: 24,578 lb (11,148 kg)
Max takeoff weight: 50,000 lb (22,680 kg)
Powerplant: 2 × Lycoming T55-GA-714A turboshaft engines, 4,733 shp (3,529 kW) each
Main rotor diameter: 2 × 60 ft (18 m)
Main rotor area: 5,600 sq ft (520 m2)
Blade section: root: Boeing VR-7; tip: Boeing VR-8[191]
Performance
Maximum speed: 170 kn (196 mph, 315 km/h)
Cruise speed: 160 kn (184 mph, 296 km/h)
Range: 400 nmi (460 mi, 740 km)
Combat range: 200 nmi (230 mi, 370 km)
Ferry range: 1,216 nmi (1,399 mi, 2,252 km) [192]
Service ceiling: 20,000 ft (6,100 m)
Rate of climb: 1,522 ft/min (7.73 m/s)
Disk loading: 9.5 lb/sq ft (46 kg/m2)
Power/mass: 0.28 hp/lb (0.46 kW/kg)
Armament
Up to 3 pintle-mounted medium machine guns (1 on loading ramp and 2 at shoulder windows), generally 7.62 mm (0.300 in) M240/FN MAG machine guns, and can be armed with the 7.62 mm M134 Minigun rotary machine gun.
Osprey
quote:
General characteristics
Crew: 3–4 (pilot, copilot and 1 or 2 flight engineers/crew chiefs/loadmasters/gunners)
Capacity: ** 24 troops (seated), 32 troops (floor loaded), or
20,000 lb (9,070 kg) of internal cargo, or up to 15,000 lb (6,800 kg) of external cargo (dual hook)
1× M1161 Growler light internally transportable ground vehicle[268][269]
Length: 57 ft 4 in (17.48 m) * Length folded: 62 ft 7.6 in (19.091 m)
Wingspan: 45 ft 10 in (13.97 m)
Width: 84 ft 6.8 in (25.776 m) including rotors
Width folded: 18 ft 5 in (5.61 m)
Height: 22 ft 1 in (6.73 m) engine nacelles vertical
17 ft 7.8 in (5 m) to top of tailfins
Height folded: 18 ft 1 in (5.51 m)
Wing area: 301.4 sq ft (28.00 m2)
Empty weight: 31,818 lb (14,432 kg) * Operating weight, empty: 32,623 lb (14,798 kg)
Gross weight: 39,500 lb (17,917 kg) * Combat weight: 42,712 lb (19,374 kg)
Maximum take-off weight VTO: 47,500 lb (21,546 kg)
Maximum take-off weight STO: 55,000 lb (24,948 kg)
Maximum take-off weight STO, ferry: 60,500 lb (27,442 kg)
Fuel capacity:
Ferry maximum 4,451 US gal (3,706 imp gal; 16,850 L) of JP-4 / JP-5 / JP-8 to MIL-T-5624
2,436 US gal (2,028 imp gal; 9,220 L) in optional cabin auxiliary tank
1,228 US gal (1,023 imp gal; 4,650 L) in three sponson partial self-sealing tanks
787 US gal (655 imp gal; 2,980 L) in ten wing self-sealing tanks
1.93 US gal (1.61 imp gal; 7.3 L) engine oil
25.375 US gal (21.129 imp gal; 96.05 L) transmission oil
Powerplant: 2 × Rolls-Royce T406-AD-400 turboprop/turboshaft engines, 6,150 hp (4,590 kW) each maximum at 15,000 rpm at sea level, 59 °F (15 °C)
5,890 hp (4,392 kW) maximum continuous at 15,000 rpm at sea level, 59 °F (15 °C)
Main rotor diameter: 2 × 38 ft (12 m)
Main rotor area: 2,268 sq ft (210.7 m2) 3-bladed
Performance
Maximum speed: 275 kn (316 mph, 509 km/h) [270]
305 kn (565 km/h; 351 mph) at 15,000 ft (4,600 m)[271]
Stall speed: 110 kn (130 mph, 200 km/h) [75]
Range: 879 nmi (1,012 mi, 1,628 km)
Combat range: 390 nmi (450 mi, 720 km)
Ferry range: 2,230 nmi (2,570 mi, 4,130 km)
Service ceiling: 25,000 ft (7,600 m)
g limits: * g limits, helicopter mode:
+3 -0.5 at 39,500 lb (17,917 kg)
+2.77 -0.46 at 42,712 lb (19,374 kg)
+2.5 -0.42 at 47,500 lb (21,546 kg)
g limits, airplane mode:
+4 -1 at 39,500 lb (17,917 kg)
+3.7 -0.92 at 42,712 lb (19,374 kg)
+3.3 -0.84 at 47,500 lb (21,546 kg)
+2.87 -0.72 at 55,000 lb (24,948 kg)
+2.61 -0.65 at 60,500 lb (27,442 kg)
Maximum glide ratio: 4.5:1[75]
Rate of climb: 2,320–4,000 ft/min (11.8–20.3 m/s) [75]
Wing loading: 20.9 lb/sq ft (102 kg/m2) at 47,500 lb (21,546 kg)
Power/mass: 0.259 hp/lb (0.426 kW/kg)
Armament
1 × 7.62 mm (.308 in) M240 machine gun or .50 in (12.7 mm) M2 Browning machine gun on ramp, removable
1 × 7.62 mm (.308 in) GAU-17 minigun, belly-mounted, retractable, video remote control in the Remote Guardian System [optional]
Payload/troop capability: Chinook
Speed: Osprey
Range: Osprey
Not randomly falling from the sky: Chinook
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