Dewoitte D.524

In 1947-1948, Marcel Doret, the dewoitte test pilot wrote 'D.520 had great qualities, but was handicapped by its engine being underpowered, producing just 935hp at most while its airframe was designed for a 1300hp engine'

D.524 was a single prototype D.520 fitted with a 1200hp engine.

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D.524
Loaded Weight: 2805kg
Wing Area: 15.97m2
Engine: HS 12Z (89-ter)
Power Curve:
1088hp at Sea Level (Military)
1160hp at Sea Level (WEP)
1200hp at ~5400m (Military)
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Max Speed: (Military Power)
467km/h at Sea Level
490km/h at 1000m
517km/h at 2000m
540km/h at 3000m
565km/h at 4000m
592km/h at 5000m
610km/h at 6000m
616km/h at 7000m
608km/h at 8000m
593km/h at 9000m
556km/h at 10,000m
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Rate of Climb: (Military Power)
Time to 2000m: 2:05
Time to 4000m: 4:06
Time to 6000m: 5:52
Time to 8000m: 8:20
Time to 10,000m: 14:00
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Stall Speed: (Sea Level, No Flaps, Level Flight)
161km/h IAS
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Sustained Turn Time: (WEP, No Flaps, Sea Level)
18-19 Seconds
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Armament:
Unknown but most likely just
2x 7.5mm MAC 1934 (1350 rounds total)
2x 20mm HS.404 (120 rounds total)

Since this engine has no space for motor cannon.