History of Siemens-Schuckert D.I
The Germans were so eager to find a counter for the French Nieuport 17 biplane that they ended up ordering an exact replica from Siemens-Schuckert as a "D.I". Captured specimens give us a first-hand look at the inner workings of the design, and the Germans replicated the plane using German materials, weapons and engines.
The German branch was as close as possible to the French design - the only problem was that by the time the Germans could fly their version, the French design was more or less outdated.
D.I retains most of the look established by the Nieuport 11 model, with only minor changes to the shape. The German weapon was a 7.92mm LMG 08-15 machine gun (sometimes two machine guns), which were fired synchronously by rotating propeller blades. The biplane's wing layout is faithful to the French design, combining a lower upper half with a small area lower half. The struts are V-shaped. The pilot's position is directly behind the upper wing assembly and directly behind the engine unit.
All other aspects of the design were modeled after French fighter jets.
At the time of its introduction in 1916, the D.I was already a relegated fighter in the German and Allied camps, and was therefore forced to use it as a training platform during its short career. The D. Ia is a one-off model with increased wing area. D. Ib gives two examples Siemens-Schuckert Sh. I High compression engine. The D. II was used as a prototyping platform and paired with the Siemens-Halske Sh.
160 hp III rotary engine with enlarged hull design. Larger propeller blades were also installed. This then resulted in the D.IIa prototype, followed by the D.IIb prototype, after which two examples of D.IIc came in "short" and "long" wingspans. The D.IIe was another prototype before the D.III went live with a modified 160 hp Siemens-Halske rotary engine.
This line peaked in the D.IV, which arrived later in the war. The name D.V was used for the proposed sesquiplane variant, while D.VI was the parasol monoplane variant that eventually became E.I.
In any case, Siemens-Schuckert's contribution had little effect on the outcome of the war. In fact, the D.IV branch was considered by some to be the best fighter of the entire war, but with only 123 built in 1918, it arrived too late.
Only 95 D.I aircraft were produced under the D.I brand - all built under the German Reich's Siemens-Schuckert-Werke trademark.
The dimensions of the D.I include a length of 19.7 feet, a wingspan of 24.6 feet and a height of 8.5 feet. Empty weight is 948 pounds, and maximum takeoff weight is 1,488 pounds. Powered by a single Siemens-Halske Sh.
I turned a 110 hp Wankel engine while driving a twin-blade propeller assembly up front. Performance specs include a top speed of 96 mph and a service ceiling of approximately 26,245 feet.
Specification
Basic
Production
Roles
- Fighter
Dimensions
19.69 ft (6 m)
7.5m
8.50 ft (2.59 m)
Weight
430 kg
675 kg
Performance
Performance
96 mph (155 km/h; 84 knots)
26,247 ft (8,000 m; 4.97 mi)
Armor
Default:
1 or 2 x 7.92mm LMG 08/15 machine guns, synchronised firing via rotating propeller blades.
Changes
D. I - name of the basic series; descended to pilot training; Nieuport 11 direct copy; 95 produced.
D.II - Prototype; Siemens-Halske Sh III 160 hp Wankel engine; new engine larger airframe; larger propeller blades.
D. IIa - Prototype
D.IIb - Prototype
D. IIc - 2 prototypes (long and short span)
D.IIe - Prototype
D.III - Powerplant upgraded to Siemens-Halske 160 hp rotary engine.
D. IV - Late and post-armistic production variant; 60 produced.
D.V - Proposed Sesquiplane variant
D.VI - Parasol Monoplane variant becomes E.I.



