RWD 3: Difference between revisions
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{{short description|Polish sports aircraft}} |
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The '''RWD-3''' was a [[Poland|Polish]] [[sports plane]] and [[liaison plane]] prototype of [[1930 in aviation|1930]], constructed by the [[RWD (aircraft manufacturer)|RWD]] team. |
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{|{{Infobox aircraft begin |
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|name =RWD 3 |
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|image =RWD 3.jpg |
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|caption = |
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}}{{Infobox aircraft type |
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|type =Sports aircraft |
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|manufacturer =[[Warsaw University of Technology]] workshops |
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|designer = [[RWD (aircraft manufacturer)|RWD]] team |
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|first flight =April 1930 |
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|introduced =1930 |
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|retired = |
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|status = |
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|primary user =Polish civilian aviation |
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|more users = |
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|produced = |
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|number built =1 |
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|unit cost = |
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|variants with their own articles = |
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}} |
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|} |
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The '''RWD 3''' was a 1930 [[Poland|Polish]] sports aircraft and [[liaison aircraft]] prototype, constructed by the [[RWD (aircraft manufacturer)|RWD]] team, a single-engine high-wing monoplane. |
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==Development== |
==Development== |
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The RWD |
The RWD 3 was constructed by the [[RWD (aircraft manufacturer)|RWD]] team of [[Stanisław Rogalski]], [[Stanisław Wigura]] and [[Jerzy Drzewiecki]] in Warsaw. Since their earlier design, the [[RWD 2]] sports aircraft appeared quite successful, the Polish Military of Defence ordered in 1929 to develop its enlarged variant as a liaison aircraft. It retained the same fish-shaped fuselage without a direct view towards forward from the pilot's seat, though the view improved due to a thin fuselage profile before the pilot. At the same time, the RWD developed similar enlarged sports aircraft, the [[RWD 4]], which shared many features with the RWD 3, but was powered with an inline engine and did not have folding wings. |
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One prototype was built for ground trials and one flying prototype. It was completed and flown by the designer Jerzy Drzewiecki in April 1930. Since it was found unsatisfactory as a liaison aircraft, it was handed over to sports aviation – Academic [[Polish Aero Club|Aero Club]] in Warsaw, with the civil registration SP-WAA. It was used for training and in some competitions. Unlike the RWD 3, the RWD 4 appeared more successful design. |
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==Description== |
==Description== |
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Wooden construction |
Wooden construction single-engine high-wing cantilever [[monoplane]], conventional in layout. The fuselage was rectangular in cross section (triangular in upper part), plywood-covered. Two-spar wings, covered with canvas, in front with plywood, were folding rearwards, unlike other early RWDs. Cantilever [[empennage]], covered with plywood (stabilizers) and canvas (rudder and elevators). Crew of two was sitting in [[tandem]] in the fuselage. The cockpits were open in upper part on the sides, with individual doors on the right side. 5-cylinder air-cooled 88 hp [[radial engine]] [[Armstrong Siddeley Genet]] (80 hp nominal power, 88 hp take-off power) was mounted in front and drove two-blade wooden propeller. Conventional fixed [[landing gear]], with a rear skid. Fuel tank in central wing section. |
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==Specifications (RWD |
==Specifications (RWD 3)== |
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{{ |
{{Aircraft specs |
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|ref={{citation needed|date=September 2019}} |
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{{aircraft specifications |
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|prime units?=met |
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|crew=1 |
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|ref={name of first source}<ref>{{ |
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|capacity=1 |
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cite web |
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|length m=7 |
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|url= |
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|length note= |
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|title= |
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|span m=10.5 |
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|last= |
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|first= |
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|height m=2.26 |
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|date= |
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|accessdate= |
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|wing area sqm=15 |
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|work= |
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|aspect ratio=<!-- sailplanes --> |
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}}</ref> |
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|crew= one, pilot |
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|capacity=one passenger |
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|length main= 7 m |
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|length alt= 22 ft 11 in |
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|span main= 10.5 m |
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|span alt= 34 ft 5 in |
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|height main= 2.26 m |
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|height alt= 7 ft 5 in |
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|area main= 15.0 m² |
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|area alt= 161.5 ft² |
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|airfoil= |
|airfoil= |
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|empty weight |
|empty weight kg=380 |
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|empty weight |
|empty weight note= |
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|gross weight kg=560 |
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|gross weight note= |
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|max takeoff weight kg=690 |
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|useful load main= <!--kg--> |
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|max takeoff weight note= |
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|useful load alt= <!--lb--> |
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|fuel capacity= |
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|max takeoff weight main= 690 kg |
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|max takeoff weight alt= 1,518 lb |
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|more general= |
|more general= |
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<!-- |
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|engine (prop)=[[Armstrong Siddeley Genet]] |
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Powerplant |
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|type of prop= |
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--> |
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|number of props=1 |
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|eng1 number=1 |
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|power main= 65 kN |
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|eng1 name=[[Armstrong Siddeley Genet]] |
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|power alt= 88 hp |
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|eng1 type=5-cylinder air-cooled radial piston engine |
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|power original= |
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|eng1 hp=88 |
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|max speed main= 170 km/h |
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|eng1 note= |
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|max speed alt= 91 knots, 105 mph |
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|cruise speed main= <!--km/h--> |
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|prop blade number=2 |
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|cruise speed alt= <!--knots,mph--> |
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|prop name=fixed-pitch propeller |
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|never exceed speed main= <!--km/h--> |
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|prop dia m=<!-- propeller aircraft --> |
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|prop dia note= |
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|stall speed main= <!--km/h--> |
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<!-- |
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|stall speed alt= <!--knots,mph--> |
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Performance |
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|range main= <!--km--> |
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--> |
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|range alt= <!--nm,mi--> |
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|max speed kmh=170 |
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|ceiling main= <!--m--> |
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|max speed note= |
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|ceiling alt= <!--ft--> |
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|cruise speed kmh=140 |
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|climb rate main= <!--m/s--> |
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|cruise speed note= |
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|climb rate alt= <!--ft/min--> |
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|stall speed kmh=68 |
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|loading main= 37 kg/m² |
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|stall speed note= |
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|loading alt= 7.56 lb/ft² |
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|never exceed speed kmh= |
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|thrust/weight=<!--a unitless ratio--> |
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|never exceed speed note= |
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|power/mass main= <!--W/kg--> |
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|range km= |
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|power/mass alt= <!--hp/lb--> |
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|range note= |
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|more performance= |
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|ferry range km= |
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|armament= |
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|ferry range note= |
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|endurance=<!-- if range unknown --> |
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|ceiling m= |
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|ceiling note= |
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|g limits=<!-- aerobatic --> |
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|roll rate=<!-- aerobatic --> |
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|climb rate ms= |
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|climb rate note= |
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|time to altitude= |
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|wing loading kg/m2=37 |
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|wing loading note= |
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|fuel consumption kg/km= |
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|power/mass= |
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|more performance=<!--</br> |
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*'''Take-off run:''' {{cvt||m|0}} |
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*'''Take-off run to {{cvt|15|m|0}}:''' {{cvt||m|0}} |
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*'''Landing run:''' {{cvt||m|0}} |
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*'''Landing run from {{cvt|15|m|0}}:''' {{cvt||m|0}}--> |
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|avionics= |
|avionics= |
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}} |
}} |
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== |
==See also== |
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{{aircontent| |
{{aircontent| |
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|related= |
|related= |
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[[RWD |
* [[RWD 2]] |
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[[RWD |
* [[RWD 4]] |
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[[RWD |
* [[RWD 7]] |
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|similar aircraft= |
|similar aircraft= |
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|sequence= |
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[[RWD-1]] - |
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[[RWD-2]] - |
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'''RWD-3''' - |
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[[RWD-4]] - |
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[[RWD-5]] - |
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[[RWD-6]] - |
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|lists= |
|lists= |
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|see also= |
|see also= |
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}} |
}} |
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==References== |
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[[Category:Polish sports planes 1930-1939|RWD-03]] |
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{{reflist}} |
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==Further reading== |
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{{commons category|RWD 3}} |
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*{{cite book|last1=Glass|first1=Andrzej|title=Polskie konstrukcje lotnicze 1893–1939|date=1977 |publisher=WKiŁ |location=Warsaw |pages=288–289 |language=Polish}} |
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<!--==External links==--> |
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{{RWD aircraft}} |
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[[Category:1930s Polish sport aircraft|RWD 03]] |
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[[pl:RWD-3]] |
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[[Category:RWD aircraft|RWD 03]] |
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[[Category:High-wing aircraft]] |
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[[Category:Single-engined tractor aircraft]] |
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[[Category:Aircraft first flown in 1930]] |
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Latest revision as of 07:41, 16 April 2021
| RWD 3 | |
|---|---|
| |
| Role | Sports aircraft |
| Manufacturer | Warsaw University of Technology workshops |
| Designer | RWD team |
| First flight | April 1930 |
| Introduction | 1930 |
| Primary user | Polish civilian aviation |
| Number built | 1 |
The RWD 3 was a 1930 Polish sports aircraft and liaison aircraft prototype, constructed by the RWD team, a single-engine high-wing monoplane.
Development[edit]
The RWD 3 was constructed by the RWD team of Stanisław Rogalski, Stanisław Wigura and Jerzy Drzewiecki in Warsaw. Since their earlier design, the RWD 2 sports aircraft appeared quite successful, the Polish Military of Defence ordered in 1929 to develop its enlarged variant as a liaison aircraft. It retained the same fish-shaped fuselage without a direct view towards forward from the pilot's seat, though the view improved due to a thin fuselage profile before the pilot. At the same time, the RWD developed similar enlarged sports aircraft, the RWD 4, which shared many features with the RWD 3, but was powered with an inline engine and did not have folding wings.
One prototype was built for ground trials and one flying prototype. It was completed and flown by the designer Jerzy Drzewiecki in April 1930. Since it was found unsatisfactory as a liaison aircraft, it was handed over to sports aviation – Academic Aero Club in Warsaw, with the civil registration SP-WAA. It was used for training and in some competitions. Unlike the RWD 3, the RWD 4 appeared more successful design.
Description[edit]
Wooden construction single-engine high-wing cantilever monoplane, conventional in layout. The fuselage was rectangular in cross section (triangular in upper part), plywood-covered. Two-spar wings, covered with canvas, in front with plywood, were folding rearwards, unlike other early RWDs. Cantilever empennage, covered with plywood (stabilizers) and canvas (rudder and elevators). Crew of two was sitting in tandem in the fuselage. The cockpits were open in upper part on the sides, with individual doors on the right side. 5-cylinder air-cooled 88 hp radial engine Armstrong Siddeley Genet (80 hp nominal power, 88 hp take-off power) was mounted in front and drove two-blade wooden propeller. Conventional fixed landing gear, with a rear skid. Fuel tank in central wing section.
Specifications (RWD 3)[edit]
Data from [citation needed]
General characteristics
- Crew: 1
- Capacity: 1
- Length: 7 m (23 ft 0 in)
- Wingspan: 10.5 m (34 ft 5 in)
- Height: 2.26 m (7 ft 5 in)
- Wing area: 15 m2 (160 sq ft)
- Empty weight: 380 kg (838 lb)
- Gross weight: 560 kg (1,235 lb)
- Max takeoff weight: 690 kg (1,521 lb)
- Powerplant: 1 × Armstrong Siddeley Genet 5-cylinder air-cooled radial piston engine, 66 kW (88 hp)
- Propellers: 2-bladed fixed-pitch propeller
Performance
- Maximum speed: 170 km/h (110 mph, 92 kn)
- Cruise speed: 140 km/h (87 mph, 76 kn)
- Stall speed: 68 km/h (42 mph, 37 kn)
- Wing loading: 37 kg/m2 (7.6 lb/sq ft)
See also[edit]
Related development
References[edit]
Further reading[edit]
Wikimedia Commons has media related to RWD 3.
- Glass, Andrzej (1977). Polskie konstrukcje lotnicze 1893–1939 (in Polish). Warsaw: WKiŁ. pp. 288–289.