Heavy Metal

USS New Mexico – BB 40 – 1944
Lead ship of the New Mexico class
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source: Arado Ar 232 - Wikipedia

The Arado Ar 232 Tausendfüßler (German: "Millipede"), sometimes also called Tatzelwurm, was a cargo aircraft, designed and built in small numbers by the German firm Arado Flugzeugwerke during World War II.

The design introduced, or brought together, almost all of the features now considered to be "standard" in modern cargo transport aircraft designs, including a box-like fuselage slung beneath a high wing; a rear loading ramp (that had first appeared on the December 1939-flown Junkers Ju 90 V5 fifth prototype four-engined transport via its Trapoklappe); a high-mounted twin tail for easy access to the hold; and various features for operating from rough fields.

Although the Luftwaffe was interested in replacing or supplementing its fleet of outdated Junkers Ju 52/3m transports, it had an abundance of types in production at the time, and did not purchase large numbers of the Ar 232.

General characteristics

Crew: 4
Capacity: 4,500 kg (9,921 lb) payload
Length: 23.52 m (77 ft 2 in)
Wingspan: 33.5 m (109 ft 11 in)
Height: 5.69 m (18 ft 8 in)
Wing area: 142.6 m2 (1,535 sq ft)
Empty weight: 12,780 kg (28,175 lb)
Max takeoff weight: 21,150 kg (46,628 lb)
Powerplant: 4 × BMW Bramo 323R-2 Fafnir 9-cylinder air-cooled radial piston engine, 890 kW (1,200 hp) each
Propellers: 3-bladed constant-speed propellers
Performance

Maximum speed: 308 km/h (191 mph, 166 kn) at 4,000 m (13,123 ft)
Cruise speed: 290 km/h (180 mph, 160 kn) at 2,000 m (6,562 ft)
Range: 1,062 km (660 mi, 573 nmi)
Service ceiling: 6,900 m (22,600 ft)
Take-off run: 200 m (656 ft) minimum
Armament
Guns:
1 × 13 mm (.51 in) MG 131 machine gun mounted in the nose
1 × 20 mm MG 151/20 autocannon mounted in an Elektrische Drehlafette EDL 151 forward dorsal turret
1–2 × 13 mm (.51 in) MG 131 machine gun mounted in the rear position
Up to 8 × 7.92 mm (.312 in) MG 34 machine guns mounted in side windows when transporting infantry
 
Wanna get high? Naw, not that. A little fluff below for casual but curious readers.

Those who wanna know "why" these limits exist (the nerdy engineering/physics stuff) ... that reading is fascinating if you're seriously interested. The ways they solved problems, designed materials and equipment and equations .. friggin' awesome. Make me appreciate why grown people cried - literally -- when the first space shuttle took off.

EOD, reinforces for me the magnificence of the SR-71 and the folks (Kelly Johnson and his dudes) that executed it in the age of drafting boards and slide rules. Those cats rocked.

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Ask the Captain: Highest altitudes for planes
Source: Ask the Captain: Highest altitudes for planes

Question: What is the highest altitude an airplane can fly?

Answer: The highest commercial airliner altitude was 60,000 feet by Concorde.

The highest military air-breathing engine airplane was the SR-71 — about 90,000 feet.

The highest airliner flying today reaches 45,000 feet.

The highest business jet flying today reaches 51,000 feet.

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Q: At what altitude would the wings of an aircraft lose effectiveness?

A: It depends on the wing and how much air can be kept flowing over it. The SR-71 routinely flew over 80,000 feet, but it was a very special wing. The space shuttle began encountering “usable” air around 100,000 feet during descent; it, too, was a very special wing and vehicle.

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Q: If a plane went past 100,000 feet, what would happen to it?

A: No commercial or business airplane flying today can exceed 100,000 feet. Special rocket-powered airplanes can fly over 100,000 feet to gather data, but they are specially designed for it.

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Q: Much beyond the certified ceiling, can an aircraft maintain altitude?

A: During certification testing, airplanes are flown above the certified ceiling, but the performance is limited. The answer is that aircraft may be able to maintain altitude above service ceiling, depending on the weight and temperature, but not very much above it.

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Q: What is the highest possible elevation a commercial jetliner can fly? Are there any routes in the world that require a jetliner to fly at its highest elevation?

A: The highest commercial airliner ceilings are 45,000 feet. It is not uncommon to fly at the certified ceiling of the airplane.

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Q: At cruising altitude for a 767, what is the cabin pressure vs. altitude?

A: The cabin pressure is maintained at 8,000 feet when the 767 operates at its service ceiling of 43,000 feet.

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Q: Great to see the 757 questions in your recent column, it’s my favorite commercial airplane. What makes it cost-prohibitive for Boeing to restart production? Also, what’s the service ceiling, and is it limited by onboard oxygen capacity?

A: The fuel burn of the 757 is the largest consideration. Modern jetliners are more fuel-efficient. The performance of the 757 was unmatched, but the fuel consumption was higher.

The service ceiling of the 757 is 42,000 feet; it is limited by the pressurization and the ability to descend to a low altitude should it be necessary.

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Q: Is there a maximum operating height for helicopters?

A: Yes, and it depends on the helicopter. Every manufacturer provides a service ceiling for each model.
 
plane is here already with her Wasp Majors and turbojets, so is the "movie" .. not sure if both together in 4K resolution no less



Specifications (B-36J-III)

General characteristics
  • Crew: 13
  • Length: 162 ft 1 in (49.40 m)
  • Wingspan: 230 ft 0 in (70.10 m)
  • Height: 46 ft 9 in (14.25 m)
  • Wing area: 4,772 sq ft (443.3 m2) [84]
  • Airfoil: root: NACA 63(420)-422; tip: NACA 63(420)-517[85]
  • Empty weight: 166,165 lb (75,371 kg)
  • Max takeoff weight: 410,000 lb (185,973 kg)
  • Powerplant: 6 × Pratt & Whitney R-4360-53 Wasp Major 28-cylinder 4-row air-cooled radial piston engines, 3,800 hp (2,800 kW) each for take-off
  • Powerplant: 4 × General Electric J47 turbojet engines, 5,200 lbf (23 kN) thrust each in pylon mounted pods outboard of piston engines
  • Propellers: 3-bladed Curtiss Electric constant-speed fully-feathering pusher propellers
Performance
  • Maximum speed: 435 mph (700 km/h, 378 kn)
  • Cruise speed: 230 mph (370 km/h, 200 kn)
  • Combat range: 3,985 mi (6,413 km, 3,463 nmi)
  • Ferry range: 10,000 mi (16,000 km, 8,700 nmi)
  • Service ceiling: 43,600 ft (13,300 m)
  • Rate of climb: 1,995 ft/min (10.13 m/s)
  • Armament
  • Guns: 1 remotely operated tail turret with 2× 20 mm (0.787 in) M24A1 autocannon
  • Bombs: 86,000 lb (39,009 kg) with weight restrictions, 72,000 lb (32,659 kg) normal
 
Maine-class pre-dreadnought battleship USS Ohio (BB-12) drydocked at Hunter’s Point, San Francisco, California, on 19 July 1904
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