-----------------------------+------------------+------------------+------------------+------------------ | 50 Gnome. | | | | ~1912-13~ | ~1912-13~ | ~1912-13~ | ~1912-13~ Model and Date. | single-seat | 2-seater | biplane. | biplane. | mono. | mono. | ~D 8.~ | ~D 9.~ | ~D 7.~ | ~D 7~ _bis._ | | -----------------------------+------------------+------------------+------------------+------------------ ~Length~ feet (m.)| _not given_ | ... | ... | ... ~Span~ feet (m.)| 35 (10.66) | 35 (10.66) | 46 (14) | 45 (13.70) ~Area~ sq. feet (m squared.)| 200 (18.5) | 200 (18.5) | 552 (51) | 448 (42) {total lbs. (kgs.)|1050 (476) | 1200 (544) | 1700 (771) | 1693 (768) ~Weight~ { | | | | {useful lbs. (kgs.)| 359 (161) | 528 (239) | 414 (187) | 509 (231) ~Motor~ h.p.| 50 Gnome | 70 Gnome | 60 Green | 80 Gnome ~Speed~ m.p.h. (km.)| 60 (95) | 60 (95) | 45 (70) | 50 (80) Number built during 1912 | 1 | 1 | 1 | 5 b'lding ('13) -----------------------------+------------------+------------------+------------------+------------------ Notes.--Biplane _D 3_ is identical with the original pattern _Dunne V_, except that it has only one propeller instead of two. It has been flown completely uncontrolled in a 20 m.p.h. wind, carrying a R. Ae. C. observer as passenger. [Illustration: DUNNE. Original Dunne biplane D5.] ~E~ EWEN. The W. H. Ewen Aviation Co., London Aerodrome: Hendon. Also works at Lanark, Scotland (opened February, 1913). Hold the British rights for and construct at their works _Caudron_ aeroplanes (see France). ~F~ FERGUSON. J. B. Ferguson, Ltd., Belfast. [Illustration] This machine first appeared in 1910. Owing to an accident to Mr. Ferguson it was laid up for a long time. About the end of 1912 it re-appeared. Principal details:-- ~Span.~--40 feet (12.20 m.) ~Area.~--230 sq. feet (21 m squared.) H.P. 40. ~G~