92:. It is a 588 cc (35.9 cu in) displacement petrol engine design, with a heavy-duty 2.94:1 reduction gearbox. Cooling is provided by a fan for the rotors, plus liquid cooling for the housing. It was designed to meet
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in the 1990s for use in light aircraft (particularly by amateur constructors) and
357:. Vol. 116, no. 3. New York: Diamandis Communications. December 1989.
182:
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335:
Lambert, Mark; Munson, Kenneth; Taylor, Michael J.H., eds. (1991).
100:
regulatory requirements. Norton aimed for 1,500 hours running time
93:
348:. Vol. 116, no. 12. New York: Diamandis Communications.
107:
The NR642 first flew in late 1989, with two units installed on a
339:(82nd ed.). Coulson, Surrey, UK: Jane's Information Group.
77:
344:
111:to create what its builder called a "Twin EZ".
8:
104:but was initially specifying 200-300 hours.
245:0.55 lb (0.2 kg)/hp at full power
243:0.50 lb (0.2 kg)/hp at 70% power
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206:air-cooled rotors, liquid-cooled housing
337:Jane's All the World's Aircraft 1991-92
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234:5.2 US gal (19.7 L)/hour
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326:"Rotary Power by Norton Motors", p.20
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16:British wankel engine for aircraft
160:588 cc (35.9 cu in)
72:that was designed and produced by
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353:"Rotary Power by Norton Motors".
151:Two rotor Wankel aircraft engine
1:
393:
187:64 kg (141.1 lb)
178:444 mm (17.5 in)
172:457 mm (18.0 in)
166:702 mm (27.6 in)
88:The NR642 is a twin-rotor
239:Specific fuel consumption
74:Norton Motorcycle Company
53:Norton Motorcycle Company
23:
261:List of aircraft engines
377:Aircraft Wankel engines
372:Norton aircraft engines
228:90 hp (67 kW)
143:General characteristics
84:Design and development
288:Lambert 1991, p.709
139:Lambert 1991, p.709
121:Aircorp Bushmaster
232:Fuel consumption:
102:between overhauls
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64:(Originally the
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204:Cooling system:
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70:aircraft engine
68:) is a British
44:United Kingdom
40:National origin
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33:Aircraft engine
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132:Specifications
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255:Related lists
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156:Displacement
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115:Applications
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62:Norton NR642
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220:Performance
366:Categories
267:References
198:Fuel type:
192:Components
183:Dry weight
66:Aerotor 90
137:Data from
250:See also
176:Height:
164:Length:
355:Flying
346:Flying
215:2.94:1
200:petrol
170:Width:
98:FAR 23
24:NR642
149:Type:
94:JAR-E
29:Type
96:and
78:UAVs
60:The
368::
319:^
293:^
275:^
80:.
241::
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185::
158::
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