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for the best performance in the race by an aircraft under 5,000 lb (2,268 kg) gross take-off weight. The main landing gear fork is an ongoing maintenance issue, with regular replacements needed.
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cowling. The main wheel has a brake which is manually operated. There is a small steerable tailwheel and wing-mounted outrigger wheels.
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Conceived as sport touring aircraft, the RF 4 was introduced in 1966. It is of all-wood construction and is fully
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Production variant, 155 built in
Germany by Sportavia-Putzer, D was for Deutschland. 16 shipped to America
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pilotfriend.com: Fournier aircraft history, performance and specifications
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Jack Lambie (October 1979). "Cross
Country in a Fournier Motor Glider".
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Prototype aerobatic variant of the RF 3, three-built by
Alpavia
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480:, page 73. Werner & Werner Corp, Santa Monica CA, 1977.
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In the Air:Number 230:Fournier RF 4D and Plane and Pilot
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38 litres (8.4 imp gal; 10 US gal)
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512:Dann PArks (July 2014). "Switching to Glide".
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330:, 1.50 m (4 ft 11 in) diameter
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366:249 km/h (155 mph, 135 kn)
345:196 km/h (122 mph, 106 kn)
218:
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351:180 km/h (110 mph, 96 kn)
222:
408:34.5 kg/m (7.1 lb/sq ft)
372:640 km (400 mi, 350 nmi)
742:
536:"In the Air:Number 230:Fournier RF 4D"
357:74 km/h (46 mph, 40 kn)
170:
662:
551:
436:
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183:while participating in the May 1969
260:11.28 m (37 ft 0 in)
254:6.05 m (19 ft 10 in)
13:
453:Sailplane Directory: Fournier RF 5
14:
801:
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272:11.3 m (122 sq ft)
266:1.57 m (5 ft 2 in)
29:
16:German/French motor glider, 1966
780:Single-engined tractor aircraft
544:, 2 May 1968. pp. 669–670.
505:
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402:3.5 m/s (690 ft/min)
163:which retracts forward into a
1:
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384:5,800 m (19,000 ft)
790:Aircraft first flown in 1966
7:
526:Harrison 1968, pp. 669–670.
412:
199:
191:1,000 prize offered by the
187:Air Race. The flight won a
10:
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765:Sportavia-Pützer aircraft
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320:, 29 kW (39 hp)
293:390 kg (860 lb)
287:270 kg (595 lb)
37:
28:
23:
462:- accessed 13 March 2008
443:- accessed 13 March 2008
227:Sportavia Fournier RF 4D
755:1960s German sailplanes
750:1960s French sailplanes
478:1978 Aircraft Directory
239:General characteristics
228:
219:Specifications (RF 4D)
175:An RF 4D was flown by
147:Design and development
689:Aircraft produced by
226:
541:Flight International
394:Maximum glide ratio:
193:London Evening News
171:Operational history
127:is a single-seater
775:Aerobatic aircraft
458:2015-11-12 at the
362:Never exceed speed
229:
135:in 1966. It is an
785:Low-wing aircraft
760:Fournier aircraft
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307:Rectimo 4 AR 1200
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691:Sportavia-Pützer
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534:Harrison, Neil.
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76:Sportavia-Pützer
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50:Type of aircraft
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181:Atlantic Ocean
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159:consists of a
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111:Developed from
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141:Fournier RF 3
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133:René Fournier
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125:Fournier RF 4
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116:Fournier RF 3
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92:Introduction
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86:René Fournier
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68:Manufacturer
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157:landing gear
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131:designed by
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101:Number built
47:motor glider
18:
694: [
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336:Performance
324:Propellers:
303:Powerplant:
179:across the
177:Mira Slovak
744:Categories
425:References
376:Endurance:
270:Wing area:
185:Daily Mail
165:fibreglass
388:g limits:
326:2-bladed
315:flat-four
258:Wingspan:
232:Data from
153:aerobatic
137:aerobatic
82:Designer
588:aircraft
456:Archived
413:See also
328:Hoffmann
200:Variants
129:aircraft
264:Height:
252:Length:
72:Alpavia
484:
370:Range:
155:. The
62:France
38:RF 4D
709:RF 4D
698:]
648:RF-47
643:RF-10
586:]
516:: 96.
501:: 50.
246:Crew:
211:RF 4D
95:1966
43:Role
24:RF 4
714:RF 5
638:RF-9
633:RF-8
628:RF-7
623:RF-6
618:RF 5
613:RF 4
608:RF 3
603:RF-2
598:RF-1
482:ISBN
396:20:1
305:1 ×
281:11.2
205:RF 4
123:The
105:159
719:RF7
746::
696:de
584:fr
538:.
467:^
433:^
390:11
311:VW
143:.
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364::
309:(
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248:1
189:£
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