RWD 22
| {{Infobox aircraft begin
| name = RWD 22 | image = | caption = | alt = }}{{Infobox aircraft type |name = |image = |caption = |type = Torpedo bomber and naval reconnaissance floatplane |national origin = Poland |manufacturer = RWD (Stanisław Rogalski, Stanisław Wigura and Jerzy Drzewiecki) |designer = Leszek Dulęba and Andrzej Anczutin |first flight = |introduced = |retired = |status = |primary user = |more users = |produced = |number built = 0 |program cost = |unit cost = |developed from = |variants with their own articles = }} |
RWD 22 was a Polish twin-engine torpedo bomber and naval reconnaissance floatplane design. Developed by Leszek Dulęba and Andrzej Anczutin of Doświadczalne Warsztaty Lotnicze (Experimental Aeronautical Workshops, DWL) in 1939, the project was to be developed under the brand of the RWD design bureau. The outbreak of World War II interrupted the design and it never left the planning stage.{{cite book|last=Cynk|first=Jerzy B.|title=Polish Aircraft 1893–1939|year=1971|publisher=Putnam|location=London|isbn=0-370-00085-4|url=https://archive.org/details/polishaircraft1800cynk}}
Design and development
In late 1930s the Polish Navy sought a replacement for the ageing R-XIIIter and Lublin R-VIII. The new design was to replace those aircraft in both the torpedo bomber and close-range reconnaissance roles. Design of the RWD 22 started in October 1938 and by January 1939 the basic three projects were ready, each with different engine and armament configuration, but with a similar silhouette. The first version was to be equipped with a German-built Argus As-10c with {{convert|177|kW|hp}} of power and would carry up to {{convert|200|kg|lb}} of bombs. The second variant was equipped with second generation Walter Minor 12-JMR with a projected power of {{convert|243|kW|hp}} and was to carry {{convert|300|kg|lb}} of bombs. The third and final version was to be equipped with a Polish-built third generation {{convert|316|kW|hp}} PZL G-1620B Mors II engine, already being used with the RWD-14 Czapla. Alternatively, American Pratt & Whitney R-985 Wasp Junior SB could also be used. A land-based version of the aircraft was also being considered under a separate designation RWD 24. It was most likely to receive two Gnome-Rhône 14M Mars engines of {{convert|700|hp|kW}}.
In the summer of 1939 the third, heaviest variant was chosen by the Polish Navy and a wooden mock-up was completed for aerodynamic trials. The designers also received 150.000 Polish złoty for the prototype, which was to be completed by mid-1940. The first serial run was to be started in 1940 and by early 1942 the Naval Air Squadron was to receive the first 12 planes. However, the Nazi and Soviet invasion of Poland and the outbreak of World War II interrupted further works.
Specifications (RWD 22 estimated)
{{Aircraft specs
|ref=Polish Aircraft 1893–1939
|prime units?=met
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|crew=3
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|length m=13.8
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|span m=18
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|wing area sqm=40
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|empty weight kg=2,600
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|gross weight kg=4,300
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|gross weight note=training and reconnaissance
- Gross weight torpedo bomber: {{convert|4,620|kg|lb|abbr=on|1}}
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|eng1 number=2
|eng1 name=P.Z.L. G.1620B Mors B
|eng1 type=9-cyl. air-cooled radial piston engine
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|eng1 hp=470
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|prop blade number=3
|prop name=Hamilton/P.Z.L. variable pitch metal propellers
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|max speed kmh=290
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|max speed note=at {{convert|1,500|m|ft|abbr=on}}
|max speed mach=
|cruise speed kmh=250
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- Alighting speed: {{convert|93|km/h|mph|abbr=on}}
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|range km=1,100
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|ferry range km=2,530
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|ceiling m=5,500
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|time to altitude={{convert|1,000|m|ft|abbr=on}} in 4 minutes
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|wing loading kg/m2=108
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|power/mass=0.138 kW/kg (0.084 hp/lb)
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References
{{commons category|RWD}}
=Notes=
{{reflist}}
=Bibliography=
{{refbegin}}
- {{cite book|last=Cynk|first=Jerzy B.|title=Polish Aircraft 1893–1939|year=1971|publisher=Putnam|location=London|isbn=0-370-00085-4|url=https://archive.org/details/polishaircraft1800cynk}}
{{refend}}