W.18 / W.23
Версия W 18 в основном отличалась коробкой крыльев: увеличился размах, законцовки крыльев были скруглены, стойки упростились, нижнее крыло получило небольшую стреловидность. Незначительно изменилась форма стабилизатора. Вооружение состояло из двух неподвижных пулеметов в фюзеляже. Вес самолета увеличился на 75 кг.
O.Thetford, P.Gray German Aircraft of the First World War (Putnam)
Brandenburg W 18
Although only one machine (No. 2138) was supplied to the German Navy in 1917, a slightly modified version powered with 200 h.p. Hiero engine was supplied to the Austro-Hungarian Navy. This single-seat flying-boat fighter was an improvement on the similar C.C. type developed for the Austrians. Engine, 150 h.p. Benz Bz III. Span, 10.7 m. (35 ft. 1 1/4 in.). Length, 8.15 m. (26 ft. 8 7/8 in.). Height, 3.45 m. (11 ft. 3 7/8 in.). Area, 34.38 sq.m. (271 sq.ft.). Weights: Empty, 875 kg. (1,925 lb.). Loaded, 1,145 kg. (2,519 lb.). Speed, 160 km.hr. (100 m.p.h.). Climb, 1,000 m. (3,280 ft.) in 5 min., 3,000 m. (9,840 ft.) in 23 min. Armament, two Spandau machine-guns. (Above aircraft had only one fitted when photographed.)
W.Green, G.Swanborough The Complete Book of Fighters
BRANDENBURG W 18
The W18 single-seat fighter flying boat was, like the CC that it supplanted, intended primarily for the Austro-Hungarian Navy. The prototype was flown early in 1917 with a 150 hp Benz Bz III six-cylinder water-cooled engine, and production with a 200 hp Hiero engine was undertaken on behalf of the Austro-Hungarian Navy, a total of 47 being delivered between September 1917 and May 1918. Armament normally comprised two fixed forward-firing 8-mm Schwarzlose machine guns, and the W 18 was employed for both station defence and fighter patrol tasks. One Benz-engined example was delivered to the German Navy in December 1917.
Max speed, 106 mph (170 km/h).
Time to 3,280 ft (1 000 m), 5.0 min, to 9,840 ft (3 000 m), 23.0 min.
Empty weight, 1,929 lb (875 kg).
Loaded weight, 2,524 lb (1145 kg).
Span, 35 ft 1 1/4 in (10,70 m).
Length, 26 ft 8 7/8 in (8,15 m).
Height, 11 ft 3 7/8 in (3,45 m).
Wing area, 370.07 sqft (34,38 m2).
BRANDENBURG W 23
Employing single-bay biplane wings similar to those of the W 18 coupled with a lengthened, aero- and hydrodynamically refined hull, the W 23 single-seat fighter flying boat was designed to mount a single fixed forward-firing 20-mm Becker cannon. This was mounted in the starboard side of the upper decking of the hull nose with a 7,92-mm LMG 08/15 machine gun mounted to port. Power was provided by a 160 hp Mercedes six-cylinder water-cooled engine driving a two-bladed pusher propeller. The structure was wooden with fabric and plywood skinning. Three prototypes were ordered in June 1917, these being delivered for evaluation in January 1918. The W 23 proved to possess such poor flight characteristics that no further development was undertaken.
Max speed, 102 mph (165 km/h).
Empty weight, 2,024 lb (918 kg).
Loaded weight, 2,780 lb (1261 kg).
Span, 35 ft 1 1/4 min (10,70 m).
Length, 29 ft 11 7/8 in (9,14 m).
Height, 10 ft 11 7.8 in (3,35 m).
Wing area, 373.52 sq ft (34,7 m2).