-----------------------------+------------------+------------------+------------------+------------------+------------------ | ~F 4 1912.~ | ~B 2 1912.~ | ~S 2 1913.~ | ~F 5 1913.~ | ~B 3 1913.~ | 2-seater | 2-seater | single-seat | 2-seater | 2-seater | military | biplane. | monoplane. | monoplane. | biplane. | monoplane. | | | | -----------------------------+------------------+------------------+------------------+------------------+------------------ ~Length~ feet (m.)| 31-1/2 (9.50) | 31-1/2 (9.50) | 28 (8.50) | 31 (9.45) | 31 (9.45) ~Span~ feet (m.)| 40 (12) | 40 (12) | 35 (10.70) | 39 (11.90) | 40 (12) ~Area~ sq. feet (m squared)| 240 (22) | 390 (36) | 190 (17-3/4) | 250 (23) | 390 (36) {total lbs. (kgs.)| 1850 (839) | 1500 (680) | 1180 (535) | 1600 (726) | 1650 (748) ~Weight~ { | | | | | {useful lbs. (kgs.)| 500 (227) | 450 (204) | 350 (159) | 600 (272) | 600 (272) ~Motor~ h.p.| 70 Renault | 40 A.B.C. | 80 Gnome | 80 Gnome | 80 Gnome {max m.p.h. (km.)| 67 (108) | 56 (90) | 82 (132) | 70 (115) | 68 (110) ~Speed~ { | | | | | {min m.p.h. (km.)| 41 (66) | 38 (61) | 45 (73) | 42 (68) | 40 (65) Number built during 1912 | 4 | 1 | | | -----------------------------+------------------+------------------+------------------+------------------+------------------ Remarks.--_F 4_ climbing speed 1000 feet (305 m.) in 3-1/2 minutes, 1500 in 5-1/2 mins., 2000 in 8 mins. _B 2_ climbing speed 200 feet (61 m.) per minute. The four _F 4_ type were bought by the British Army during 1912. [Illustration: Monoplane.] [Illustration: Biplane.] [Illustration: FLANDERS. UAS.] [Illustration: FLANDERS. UAS.]