The LFG V 40 and V 44 were one-off, single-engine, two-seat sports monoplanes, identical apart from their engines, built in Germany in 1925.
The V 40 and V 44 were all-metal high-wing monoplanes, with thick, straight-edged, cantilever wings. Highly stressed members were steel, with duralumin elsewhere including the skin. The fuselages were deep-bellied and flat-sided with tandem open cockpits over the wing. On both aircraft, the pilot sat near the quarter chord position, with a slot in the fuselage below the wing to enhance his downward view, and the passenger was placed within a cut-out in the trailing edge. The tailplane was on top of the fuselage and the rounded vertical tail included a balanced rudder which extended down to the keel. The conventional undercarriage was fixed, with mainwheels on a single axle mounted on short V-struts and assisted by a tailskid.
The V 40 and V 44 airframes were identical, but the V 40 was powered by a 75abbr=onNaNabbr=on Siemens-Halske Sh 11 7-cylinder radial and the V 44 by a 100abbr=onNaNabbr=on Bristol Lucifer 3-cylinder radial. Both were nose-mounted, uncowled, and drove two-blade propellers. External dimensions, apart from the exact length, were the same, and the weights were also similar.
The V 40 and V 44 were amongst five LFG entries to the Round Germany Flight held in the summer of 1925, though only the LFG V 39 took take part.
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