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Junkers Ju 89


Strategic Heavy Bomber Prototype


Nazi Germany | 1938



"The Junkers Ju 89 appeared in the period just before World War 2 as a possible heavy bomber prototype - it was not furthered."



Authored By: Staff Writer | Last Edited: 06/28/2022 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
The German rearmament initiatives of the 1930s laid the groundwork for total war in Europe as all-new tank, warships, small arms, and aircraft designs took root. In the latter part of the 1930s, the Luftwaffe was on the lookout for a new, all-modern bomber aircraft of heavy classification for the strategic-level role. This led aeroplane maker Junkers to design, develop, and construct a pair of flyable forms for the requirement resulting in the "Ju 89". With a first-flight in April 1937, the short-lived bomber was put through its paces in 1938 though abandoned and cancelled in 1939 - the first year of World War 2 (1939-1945) - as the Luftwaffe decided to invest in tactical-level medium bomber types and compact direct-attackers going forward.

Designed under the idea of the "Ural Bomber" - a long-range performer capable of excellent range and war loads - this monoplane-winged "heavy" held new fewer than four engines in its arrangement with two engines seated in nacelles at each mainplane member. The flight deck sat over the short nose assembly and the fuselage was slab-sided with tapering towards the empennage. The tail unit utilized a split-rudder-fin tailplane arrangement for the needed control and a retractable "tail-dragger" undercarriage gave the aircraft the needed ground-running capabilities.

Junkers squared off directly with a competing design being put forth by Dornier, the similar "Do 19".

The Ju 89 V-1 prototype took to the air for the first time on April 11th, 1937 and the second prototype, V-2 (D-ALAT), followed in July 1937. The aircraft had an impressive showing even when compared to modern Allied strategic bombers of the day. However, with the Luftwaffe's fateful decision to concentrate on smaller bomber forms, the Ju 89 was wholly stalled and essentially left unfinished. The pair of prototypes was taken into service by the Luftwaffe indeed - though only to serve in the heavy transport role for the duration of their flying days.

This service appears to have been short-lived as the airframes are believed to have been scrapped before, or during, 1940. Nothing more came from the Ju 89 project other than the design influencing the Ju 90 airliner which, in turn, gave birth to the multirole Ju 290 and the Ju 390 "Amerika Bomber".

As completed, prototype V-2 wad an operating crew of five. Its wingspan reached 115.8 feet with a running length of 86.10 feet and a height of 24.11 feet. Empty weight was 37,840lb with a gross weight of 50,265lb and an MTOW rating of 61,300lb.

Power was served from 4 x Daimler-Benz DB600A V-12 inverted, air-cooled radial piston engines delivering 960 horsepower for take-off, these units driving three-bladed constant speed-propeller. With this, the aircraft could reach a maximum speed of 242 miles-per-hour, cruise at 195mph, range out (ferry) to 1,240 miles, and attain up to 23,000 feet of altitude.

Its planned armament involved a mix of defensive-minded machine guns and cannons: 2 x 20mm MG FF automatic cannons and 2 x 7.92mm MG 15 machine guns at various vulnerable locations about the airframe. The offensive load was limited to 3,500 lb of internal drop ordnance.

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Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the Junkers Ju 89 V2 Strategic Heavy Bomber Prototype.
4 x Daimler-Benz DB600A V-12 inverted-Vee air-cooled radial piston engines developing 960 horsepower each driving three-bladed propeller units.
Propulsion
242 mph
390 kph | 211 kts
Max Speed
196 mph
315 kph | 170 kts
Cruise Speed
22,966 ft
7,000 m | 4 miles
Service Ceiling
994 miles
1,600 km | 864 nm
Operational Range
City-to-City Ranges
Operational range when compared to distances between major cities (in KM).
NYC
 
  LON
LON
 
  PAR
PAR
 
  BER
BER
 
  MOS
MOS
 
  TOK
TOK
 
  SYD
SYD
 
  LAX
LAX
 
  NYC
Structure
The nose-to-tail, wingtip-to-wingtip physical qualities of the Junkers Ju 89 V2 Strategic Heavy Bomber Prototype.
5
(MANNED)
Crew
86.9 ft
26.50 m
O/A Length
115.7 ft
(35.27 m)
O/A Width
24.9 ft
(7.60 m)
O/A Height
37,842 lb
(17,165 kg)
Empty Weight
61,289 lb
(27,800 kg)
MTOW
Design Balance
The three qualities reflected below are altitude, speed, and range. The more full the box, the more balanced the design.
RANGE
ALT
SPEED
Armament
Available supported armament and special-mission equipment featured in the design of the Junkers Ju 89 Strategic Heavy Bomber Prototype .
PROPOSED:
2 x 20mm MG FF automatic cannons.
2 x 7.92mm MG15 machine guns.

Up to 3,500lb of conventional drop bombs held internally.
Variants
Notable series variants as part of the Junkers Ju 89 family line.
Ju 89 - Base Series Designation.
Ju 89 V1 - First Prototype of April 1937.
Ju 89 V2 - Second Prototype of July 1937.
Operators
Global customers who have evaluated and/or operated the Junkers Ju 89. Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 2 Units

Contractor(s): Junkers - Nazi Germany
National flag of modern Germany National flag of Nazi Germany

[ Nazi Germany (trialed) ]
Relative Max Speed
Hi: 300mph
Lo: 150mph
Aircraft Max Listed Speed (242mph).

Graph Average of 225 MPH.
Era Crossover
Pie graph section
Pie graph section
Showcasing Aircraft Era Crossover (if any)
Max Alt Visualization
Small airplane graphic
Production Comparison
2
36183
44000
Entry compared against Ilyushin IL-2 (military) and Cessna 172 (civilian) total production.
MACH Regime (Sonic)
Sub
Trans
Super
Hyper
HiHyper
ReEntry
RANGES (MPH) Subsonic: <614mph | Transonic: 614-921 | Supersonic: 921-3836 | Hypersonic: 3836-7673 | Hi-Hypersonic: 7673-19180 | Reentry: >19030
Aviation Timeline
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1 / 1
Image of the Junkers Ju 89
Image from the German Federal Archives.

Mission Roles
Some designs are single-minded in their approach while others offer a more versatile solution to airborne requirements.
GROUND ATTACK
X-PLANE
Recognition
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
The Junkers Ju 89 Strategic Heavy Bomber Prototype appears in the following collections:
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