Nielsen & Winther Type AA
1917
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Nielsen & Winther Type AA

Designed and built by Nielsen & Winther A/S, a Copenhagen machine tool manufacturer, possibly with some assistance from the Swedish Thulin concern, the Type Aa single-seat fighter was first flown on 21 January 1917. Of wooden construction, the Type Aa was powered by a 90hp Thulin rotary engine (a copy of the Le Rhone) and was armed with a single 8mm Madsen machine gun mounted on the upper wing and firing above the propeller disc. Ground tests with synchronising equipment took place in 1918, reportedly using a Type Aa with the gun mounted on the side of the fuselage, but there is no evidence that air firing tests took place. Six Type Aa fighters were delivered to the Danish Army during 1917, but these were withdrawn from service in 1919 owing to the unreliability of their engines. Prototypes were completed of a two-seat reconnaissance version, the Type Ab, and a floatequipped version of the single-seater, the Type Ac.

3-View 
Nielsen & Winther Type AAA three-view drawing (1280 x 978)


Specification 
 WEIGHTS
    Take-off weight550 kg1213 lb
    Empty weight350 kg772 lb
 DIMENSIONS
    Wingspan7.70 m25 ft 3 in
    Length6.60 m22 ft 8 in
    Height2.8 m9 ft 2 in
 PERFORMANCE
    Max. speed150 km/h93 mph

Comments
Jjr, 03.04.2017

Concerning the type Ab, there were two build and only one was delivered.
Question for Beifang and Gabriel, how can I get a scan of the pictures you mention for my own purpose?

Gabriel Pavlovcic, 25.07.2011

This sole plane was owned by Albert Jarfelt and his wife Henriette Fruchard and used in Argentina. Have four superb repro-photos!

denmark@denmark.dk, 03.07.2011

Weston, what's the point of you?

beifang, 18.06.2011

This plane was used in Villa Lugano and San Fernando aerodromes, circa 1919, by Jarfelt an his wife Henriette Fruchard. Have 2 repro-photos

, 18.06.2011

Nielsen & Winther Type AA
1917

GABRIEL PAVLOVCIC, 29.09.2010

Was the sole prototype of Ab Type exported to Argentina?
Ive been told, Albert Jarfelt received the sole plane in Buenos Aires, September 09, 1919, via "Frisa" ship. This plane was used in Villa Lugano and San Fernando aerodromes, circa 1919, by Jarfelt an his wife Henriette Fruchard. Have 2 repro-photos.

weston, 11.11.2007

what is the piont of the plane

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