Dornier Do 18

Maritime Reconnaissance Flying Boat Aircraft [ 1938 ]

The Dornier Do 18 was an outdated flying boat design for Germany at the start of World War 2 but managed several distance records for its time in the air.

Authored By: Staff Writer | Last Edited: 06/07/2018 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

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Though a serviceable flying boat with a successful pedigree, the Dornier Do 18 was highly outclassed and outdated at the start of World War 2 and was subsequently used in limited numbers, relegated mostly to air and sea rescue operations and the like. Based on the Dornier Do 15 series of mail-carrying flying boats, the Do 18 inherited all of the preceding design's benefits but was outfitted for a militarized role with improved engines and defensive armament. Too many shortcomings in the lumbering design made the reach of such a machine unpractical in the changing face of warfare throughout the conflict though the system would still hold on to some distance records for a time regardless.

One of the most unusual features of the design of the Do 18 was in the implementation of the engines. The aircraft housed two engines in a single nacelle mounted above the fuselage. Generally, the overall look of the aircraft quite attractive, featuring smooth lines and a slim shape. The characteristic boat hull was highly visible on the underside of the fuselage. The large wing elements were high mounted through the raised engine nacelle though not supported at the ends by floats. Instead, the wing elements were supported closer to the wing roots thanks to a smallish structure jutting out from either side of the fuselage. This support was effectively the stabilizing sponsons for water landings and surface idling. Defensive armament found in this militarized variant consisted of a single 7.92mm machine gun mounted in an open-air bow position and an open-air dorsal position. The G-series model incorporated improved armament consisting of a single 13mm machine gun at the bow and a power-operated dorsal turret housing a potent 20mm cannon. Power was derived from a series of Junkers and BMW brand engines throughout the production lifetime of the aircraft and differed slightly in horsepower output.

The Do 18 holds the distinction of being the first German craft to fall to British gun fire. This occurred on September 26th in 1939 in which a Do 18 was felled by a Blackburn Skua. The Do 18 crew landed safely in the water but were rounded up by British naval personnel as prisoners. Once aboard the British ship, the Do 18 was subsequently destroyed.

A dedicated air and sea variant existed as the Do 18N-1 while a dual-control Do 18H was used for pilot training. The Do 18 was replaced in service by the favorable Blohm & Voss 138 series by 1942.©MilitaryFactory.com

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Specifications

Service Year

1938

Origin

Nazi Germany

Status

RETIRED
Not in Service.

Crew

4

Production

100
UNITS

Dornier - Germany

(View other Aviaton-Related Manufacturers)

Nazi Germany (retired)

(OPERATORS list includes past, present, and future operators when applicable)

✓ Maritime / Navy
Land-based or shipborne capability for operating over-water in various maritime-related roles while supported by allied naval surface elements.

✓ Intelligence-Surveillance-Reconnaissance (ISR), Scout
Surveil ground targets / target areas to assess environmental threat levels, enemy strength, or enemy movement.

Length

63.5 ft
(19.37 m)

Width/Span

77.8 ft
(23.70 m)

Height

17.5 ft
(5.32 m)

Empty Wgt

13,184 lb
(5,980 kg)

MTOW

23,810 lb
(10,800 kg)

Wgt Diff

+10,626 lb
(+4,820 kg)

(Showcased structural values pertain to the Dornier Do 18G-1 production variant)

Installed: 2 x Junkers Jumo 205D 12-cylinder liquid-cooled diesel inline engines developing 880 horsepower each.

Max Speed

165 mph
(266 kph | 144 kts)

Ceiling

13,780 ft
(4,200 m | 3 mi)

Range

2,175 mi
(3,500 km | 6,482 nm)

Rate-of-Climb

468 ft/min
(143 m/min)

♦ MACH Regime (Sonic)

Sub

Trans

Super

Hyper

HiHyper

ReEntry

♦

(Showcased performance specifications pertain to the Dornier Do 18G-1 production variant. Performance specifications showcased above are subject to environmental factors as well as aircraft configuration. Estimates are made when Real Data not available. Compare this aircraft entry against any other in our database or View aircraft by powerplant type)

STANDARD:
1 x 13mm MG 131 machine gun in bow position.
1 x 20mm MG 151 cannon in dorsal turret.

OPTIONAL:
4 x 110 lb (50kg) of conventional drop bombs.

Supported Types

Graphical image of an aircraft medium machine gun

Graphical image of an aircraft automatic cannon

Graphical image of an aircraft conventional drop bomb munition

(Not all ordnance types may be represented in the showcase above)

Hardpoint Mountings: 4

Do 18A - Prototype Designation

Do 18E - Fitted with Junkers Jumo 205C engines of 600 horsepower each; four produced.

Do 18F - Later redesignated to Do 18L name.

Do 18L - Redesignation of Do 18F when refitted with BMW 132N engines of 880 horsepower each.

Do 18D-1 - Initial Militarized Version; 2 x Junkers Jumo 205C engines; implementation of 7.92mm MG15 machine guns in bow and dorsal positions.

Do 18D-2 - Do 18D subvariant

Do 18D-3 - Do 18D subvariant

Do 18G-1 - "Improved" Do 18; fitted with Junkers Juno 205D engines of 880 horsepower each; 1 x MG131 13mm machine gun in bow position; 1 x MG151 20mm cannon in power-operated turret.

Do 18H - Trainer with dual-controls sans armament.

Do 18N-1 - Dedicated Air & Sea Rescue Variant; sans armament.

General Assessment

Firepower

Performance

Survivability

Versatility

Impact

Values are derrived from a variety of categories related to the design, overall function, and historical influence of this aircraft in aviation history.

Overall Rating

The overall rating takes into account over 60 individual factors related to this aircraft entry.

32

Rating is out of a possible 100 points.

Relative Maximum Speed

Hi: 200mph

Lo: 100mph

This entry's maximum listed speed (165mph).

Graph average of 150 miles-per-hour.

City-to-City Ranges

NYC

LON

PAR

BER

MOS

TOK

SYD

LAX

NYC

Dornier Do 18G-1 operational range when compared to distances between major cities (in KM).

Max Altitude Visualization

Design Balance

The three qualities reflected above are altitude, speed, and range.

Aviation Era Span

Showcasing era cross-over of this aircraft design.

Unit Production (100)

100

36183

44000

Compared against Ilyushin IL-2 (military) and Cessna 172 (civilian).

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