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The D XXIII single-seat fighter was unusual in employing
a fore-and-aft tandem engine arrangement, the prototype
being powered by two 528hp Walter Sagitta
I-SR engines and flying for the first time on 30 May 1939.
Versions of the D XXIII were also proposed with Hispano-
Suiza 12Xcrs, Junkers Jumo 210G and Rolls-Royce
Kestrel XV engines, and although all-metal construction
was intended, the prototype was fitted with a
wooden wing of greater thickness/chord ratio in order
to expedite the test programme. Owing to various problems,
including rear engine cooling, only four hours of
flight testing had been completed when the invasion of
the Netherlands brought the D XXIII development programme to a halt. The proposed armament comprised
two 7.9mm and two 13.2mm FN-Browning machine
guns.
 | A three-view drawing (1280 x 850) |
| WEIGHTS |
| Take-off weight | 2 950 kg | 4 lb |
| Empty weight | 2180 kg | 4806 lb |
| DIMENSIONS |
| Wingspan | 11.50 m | 37 ft 9 in |
| Length | 10.20 m | 33 ft 6 in |
| Height | 3.80 m | 12 ft 6 in |
| Wing area | 18.50 m2 | 199.13 sq ft |
| PERFORMANCE |
| Max. speed | 525 km/h | 326 mph |
| Cruise speed | 390 km/h | 242 mph |
| NV Smith, nvsmith(@)hotmail.com, 01.01.2009 -Well, the armament is a little weak. How about two 13mm Brownings and a brace of Madsen 23mm in the wings?
-As for power, the Bristol Taurus was available.
-Even so, given a first flight in May of 1939 it would have been too little, too late.
-Imagine a couple of squadrons of these in Finland. Uncle Joe would not have been happy at all... | | coamh, scrubtroll(@)accessky.com, 02.12.2008 would this have stood up to the me-109 in 1940, if things had worked out differant? | | Tom Kerr, geowiz875(@)yahoo.com.au, 31.10.2008 Imagine this with the hispano engine of 890HP + replace the rifle calibre mg with 13mm,
This might be possible without rebuilding the airframe. Now we have a real contender - a P38 in 1940! |
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