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re: Another CV-22 Osprey Crash, one Marine dead

Posted on 11/29/23 at 7:47 am to
Posted by wileyjones
Member since May 2014
2327 posts
Posted on 11/29/23 at 7:47 am to
quote:

What the hell are we still using these things for then?
they fill a pretty niche role in terms of range speed and vtol

idk what the truth is but I've always read it's a maintenance nightmare, if you stay on top of it then it's just as safe as anything else
Posted by kengel2
Team Gun
Member since Mar 2004
30989 posts
Posted on 11/29/23 at 8:02 am to
quote:

idk what the truth is but I've always read it's a maintenance nightmare


There is a dude on instagram that makes a joke about this. mandatoryfunday or something.

Lots of moving parts on this aircraft. choppadoc might be able to share some more light.
Posted by Darth_Vader
A galaxy far, far away
Member since Dec 2011
64908 posts
Posted on 11/29/23 at 8:02 am to
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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