Tuesday, 20 October 2015

Junkers Ju52 Tante Ju. Part 4. Powerplant and Operators. Compiler: Luis German Dzib Aquilar

Powerplant
The Ju 52/3mg5e was powered by a trio of closely cowled 830 hp (619 kW) BMW 132T-2 9-cylinder air-cooled radial engines. The two outboard engines were 'toed-out', or in other words, were set at an angle to the main thrust line. This reduced the considerable yaw if one of the wing engines was lost, by pulling the aircraft away from the dead engine.
The nacelles housed the engine oil tanks above the wing leading edge. Filler caps above them served the oil (forward) and fuel (rear) tanks. The fuel was held in wing tanks, positioned inboard of the engines. Exhaust gas from the engines was collected by annular ducts and ejected below and to the sides of each engine. These caused characteristic stains on the fuselage and wings, but kept the filler caps and cockpit area clean. The 3mg5e introduced exhaust de-icing. (19a)



Operators
  A Lufthansa Junkers Ju 52/3m (registered D-CDLH), until 1984, known as "Iron Annie N52JU", painted as D-AQUI in historic 1936 Deutsche Luft Hansa colors. D-CDLH has P&W engines, now with three-bladed propellers (ex Caiden).
CASA 352 (license-built Junkers Ju 52/3m) in Ju-Air markings at Zürich airport


Preserved AAC 1 showing corrugated skin, at Duxford, 2001.

Survivors
Airworthy aircraft
As of 2008, eight Ju 52 remain in operation, four of which operate pleasure flights from Dübendorf airport in Switzerland. (21) Lufthansa operates one Ju 52/3m (D-AQUI) for air shows and pleasure flights. (22).

Specifications (Junkers Ju 52/1m ce) (23)
General characteristics
• Crew: two
• Capacity: 1,820 kg (4,000 lb) of freight

• Length: 18.50 m (60 ft 8 in)
• Wingspan: 29.50 m (96 ft 9 in)
• Height: 4.65 m (15 ft 3 in)
• Wing area: 116 m² ()
• Empty weight: 4,000 kg (8,830 lb)
• Max. takeoff weight: 7,000 kg (15,450 lb)
• Powerplant: 1 × BMW VIIaU V-12 piston engine, 507 kW (680 hp)690 PS[47]
Performance
• Maximum speed: 195 km/h (121 mph) at sea level
• Cruise speed: 160 km/h (100 mph)
• Range: 1,000 km (620 mi)
• Service ceiling: 3,400 m (11,150 ft)
• Rate of climb: 2.30 m/s at sea level (450 ft/min) 8.6 min to 1,000 m (3,300 ft); 20.5 min to 2,000 m (6,600 ft)
• Wing loading: 60.34 kg/m² ()
• Power/mass: 13.8 kg/kW (10.14 kg/PS)



Specifications (Junkers Ju 52/3m ce) (24)
General characteristics
• Crew: two
• Capacity: 17 passengers
• Length: 18.90 m ()
• Wingspan: 29.25 m ()
• Height: 6.10 m ()
• Wing area: 110.5 m² ()
• Empty weight: 5,970 kg (13,180 lb)
• Max. takeoff weight: 9,210 kg (20,330 lb)
• Powerplant: 3 × BMW Hornet A2, 386 kW (525 PS) each
Performance
• Maximum speed: 271 km/h (168 mph) at 900 m
• Cruise speed: 222 km/h (138 mph)
• Range: 950 km (590 mi)
• Service ceiling: 5,200 m (17,050 ft)
• Rate of climb: 3.90 m/s ()
• Wing loading: 83.35 kg/m² ()
• Power/mass: 7.95 kg/kW (5.85 kg/PS)


Specifications (Junkers Ju 52/3m g7e) (25)
General characteristics
• Crew: three (two pilots, radio operator)
• Capacity: 18 troops or 12 litter patients
• Length: 18.90 m (62 ft 0 in)
• Wingspan: 29.25 m (95 ft 10 in)
• Height: 4.5 m (14 ft 10 in)
• Wing area: 110.5 m² (1,190 ft²)
• Empty weight: 6,510 kg (14,325 lb)
• Loaded weight: 9,200 kg (20,270 lb)
• Max. takeoff weight: 10,990 kg (24,200 lb)
• Powerplant: 3 × BMW 132T radial engines, 533 kW (715 hp)[47] each
Performance
• Maximum speed: 265 km/h (165 mph) at sea level
• Cruise speed: 211 km/h (132 mph)
• Range: 870 km (540 mi)
• Service ceiling: 5,490 m (18,000 ft)
• Rate of climb: 17 minutes to 3,050 m (10,000 ft)
Armament
• Guns:
• 1 × 13 mm (.51 in) MG 131 machine gun in a dorsal position
• 2 × 7.92 mm (.312 in) MG 15 machine guns
• Bombs: up to 500 kilograms (1,100 lb) of bombs (some variants)


References
  1. Grey, Charles Gibson and Leonard Bridgman. Jane's All the World's Aircraft 1938. London: Newton Abott, David & Charles, 1972. ISBN 0-7153-5734-4.
  2. "'Bud' Johnston Library." Rolls-Royce of Canada Ltd., Montreal Quebec.
  3. Hagedorn, Dan & Antonio Luis Sapienza (1996) Aircraft of the Chaco War, 1928–1935. Schiffer Publishing Co. Atglen, pp. 96-100. ISBN 0764301462
  4. Green, William. Warplanes of the Third Reich. New York: Doubleday, 1972. ISBN 0-385-05782-2. p. 405
  5. Green, William. Warplanes of the Third Reich. New York: Doubleday, 1972. ISBN 0-385-05782-2. p. 406
  6. Green, William. Warplanes of the Third Reich. New York: Doubleday, 1972. ISBN 0-385-05782-2. pp. 405-406
  7. Smith, J. R. and Antony L. Kay. German Aircraft of the Second World War. London: Putnam, 1972. ISBN 0-85177-836-4. p. 360.
  8. "Warsaw." richmond.edu. Retrieved: 12 October 2010.
  9. Dr L. de Jong, 'Het Koninkrijk der Nederlanden in de Tweede Wereldoorlog'(Dutch)
  10. SGLO.nl(Dutch)
  11. Morzik, Fritz, General Major, "German Air Force Air Lift Operations", USAF Historical Division, 1961. p. 50
  12. Craven, Wesley Frank, and Cate, James Lea, editors (1949). The Army Air Forces In World War II, Volume Two - Europe: Torch to Pointblank: August 1942-December 1943 Air Force Historical Studies Office, ISBN 0-912799-03-X. pp. 189-190.
  13. Craven, Wesley Frank, and Cate, James Lea, editors (1949). The Army Air Forces In World War II, Volume Two - Europe: Torch to Pointblank: August 1942-December 1943 Air Force Historical Studies Office, ISBN 0-912799-03-X. pp. 190-191.
  14. Weal, John. Jagdgeschwader 27 'Afrika'. Oxford, UK: Osprey, 2003. ISBN 1-84176-538-4. p. 91
  15. The Aeroplane Monthly, June 1994 p. 28.
  16. Hoffmann, Peter. Hitler's Personal Security: Protecting The Fuhrer 1921-1945. New York: Da Capo Press, 2000. ISBN 978-0-30680-947-7. p. 75.
  1. Jackson, A.J.British Civil Aircraft 1919-59, Vol. 2. London: Putnam, 1960. p. 100
  2. "Aviation Museum Dóbendorf". Retrieved 25 June 2014.
  3. "Queen of the Skies". Deutsche Lufthansa Berlin-Stiftung. Retrieved 25 June 2014.
  4. Wolfgang Wagner Hugo Junkers Pionier der Luftfahrt - Seine Flugzeuge Bernard & Graefe Verlag, Bonn 1996 ISBN 3-7637-6112-8 (in German) p. 342


  1. Wolfgang Wagner "Hugo Junkers Pionier der Luftfahrt - Seine Flugzeuge" Bernard & Graefe Verlag, Bonn 1996 ISBN 3-7637-6112-8 (in German) p. 358
  2. Jane, Fred T. "The Junkers Ju 52/3m." Jane’s Fighting Aircraft of World War II. London: Studio, 1946. ISBN 1-85170-493-0. pp. 170-171