224:
31:
195:
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.
578:
132:
85:
680:
690:
75:
306:
632:
176:
455:
569:
167:
cowling. The main wheel has a brake which is manually operated. There is a small steerable tailwheel and wing-mounted outrigger wheels.
673:
151:
Conceived as a motor glider and sport touring aircraft, the RF 4 was introduced in 1966. It is of all-wood construction and is fully
71:
779:
789:
764:
666:
723:
485:
754:
749:
728:
535:
562:
223:
658:
310:
440:
214:
Production variant, 155 built in
Germany by Sportavia-Putzer, D was for Deutschland. 16 shipped to America
774:
784:
759:
555:
276:
452:
718:
769:
136:
695:
547:
622:
540:
8:
192:
583:
327:
30:
481:
459:
647:
642:
188:
180:
160:
688:
743:
713:
637:
617:
607:
602:
597:
418:
317:
140:
115:
627:
156:
128:
46:
441:
pilotfriend.com: Fournier aircraft history, performance and specifications
497:
Jack Lambie (October 1979). "Cross
Country in a Fournier Motor Glider".
361:
184:
164:
314:
152:
577:
208:
Prototype aerobatic variant of the RF 3, three-built by
Alpavia
61:
480:, page 73. Werner & Werner Corp, Santa Monica CA, 1977.
234:
In the Air:Number 230:Fournier RF 4D and Plane and Pilot
299:
38 litres (8.4 imp gal; 10 US gal)
472:
470:
468:
741:
512:Dann PArks (July 2014). "Switching to Glide".
465:
674:
563:
330:, 1.50 m (4 ft 11 in) diameter
496:
681:
667:
570:
556:
511:
520:
366:249 km/h (155 mph, 135 kn)
345:196 km/h (122 mph, 106 kn)
218:
146:
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:
434:
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:
446:
431:
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:
490:
402:3.5 m/s (690 ft/min)
163:which retracts forward into a
1:
424:
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:
806:
765:Sportavia-Pützer aircraft
704:
593:
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
737:
736:
656:
655:
476:Plane and Pilot:
307:Rectimo 4 AR 1200
121:
120:
797:
724:RS 180 Sportsman
699:
691:Sportavia-Pützer
683:
676:
669:
660:
659:
587:
572:
565:
558:
549:
548:
534:Harrison, Neil.
527:
524:
518:
517:
509:
503:
502:
494:
488:
474:
463:
450:
444:
438:
382:Service ceiling:
338:
241:
112:
102:
76:Sportavia-Pützer
58:
50:Type of aircraft
33:
21:
20:
805:
804:
800:
799:
798:
796:
795:
794:
740:
739:
738:
733:
700:
693:
687:
657:
652:
589:
581:
576:
531:
530:
525:
521:
510:
506:
495:
491:
475:
466:
460:Wayback Machine
451:
447:
439:
432:
427:
415:
334:
237:
221:
202:
173:
149:
139:version of the
110:
100:
57:National origin
56:
51:
17:
12:
11:
5:
803:
793:
792:
787:
782:
777:
772:
767:
762:
757:
752:
735:
734:
732:
731:
726:
721:
716:
711:
705:
702:
701:
686:
685:
678:
671:
663:
654:
653:
651:
650:
645:
640:
635:
630:
625:
620:
615:
610:
605:
600:
594:
591:
590:
575:
574:
567:
560:
552:
546:
545:
529:
528:
519:
514:Sport Aviation
504:
489:
464:
445:
429:
428:
426:
423:
422:
421:
414:
411:
410:
409:
403:
400:Rate of climb:
397:
391:
385:
379:
373:
367:
358:
352:
346:
343:Maximum speed:
332:
331:
321:
300:
297:Fuel capacity:
294:
288:
282:
273:
267:
261:
255:
249:
220:
217:
216:
215:
212:
209:
206:
201:
198:
181:Atlantic Ocean
172:
169:
161:monowheel gear
159:consists of a
148:
145:
119:
118:
113:
111:Developed from
107:
106:
103:
97:
96:
93:
89:
88:
83:
79:
78:
69:
65:
64:
59:
53:
52:
49:
44:
40:
39:
35:
34:
26:
25:
15:
9:
6:
4:
3:
2:
802:
791:
788:
786:
783:
781:
778:
776:
773:
771:
770:Motor gliders
768:
766:
763:
761:
758:
756:
753:
751:
748:
747:
745:
730:
727:
725:
722:
720:
717:
715:
712:
710:
707:
706:
703:
697:
692:
684:
679:
677:
672:
670:
665:
664:
661:
649:
646:
644:
641:
639:
636:
634:
631:
629:
626:
624:
621:
619:
616:
614:
611:
609:
606:
604:
601:
599:
596:
595:
592:
585:
580:
579:René Fournier
573:
568:
566:
561:
559:
554:
553:
550:
543:
542:
537:
533:
532:
523:
515:
508:
500:
493:
487:
486:0-918312-00-0
483:
479:
473:
471:
469:
461:
457:
454:
449:
442:
437:
435:
430:
420:
419:Fournier RF 5
417:
416:
407:
406:Wing loading:
404:
401:
398:
395:
392:
389:
386:
383:
380:
377:
374:
371:
368:
365:
363:
359:
356:
353:
350:
349:Cruise speed:
347:
344:
341:
340:
339:
337:
329:
325:
322:
319:
318:piston engine
316:
313:) air-cooled
312:
308:
304:
301:
298:
295:
292:
291:Gross weight:
289:
286:
285:Empty weight:
283:
280:
278:
274:
271:
268:
265:
262:
259:
256:
253:
250:
247:
244:
243:
242:
240:
235:
233:
225:
213:
210:
207:
204:
203:
197:
194:
190:
186:
182:
178:
168:
166:
162:
158:
154:
144:
142:
141:Fournier RF 3
138:
134:
133:René Fournier
130:
126:
125:Fournier RF 4
117:
116:Fournier RF 3
114:
109:
108:
104:
99:
98:
94:
92:Introduction
91:
90:
87:
86:René Fournier
84:
81:
80:
77:
73:
70:
68:Manufacturer
67:
66:
63:
60:
55:
54:
48:
45:
42:
41:
36:
32:
27:
22:
19:
729:SFS 31 Milan
708:
612:
539:
522:
513:
507:
499:Air Progress
498:
492:
477:
448:
405:
399:
393:
387:
381:
375:
369:
360:
355:Stall speed:
354:
348:
342:
335:
333:
323:
302:
296:
290:
284:
277:Aspect ratio
275:
269:
263:
257:
251:
245:
238:
236:
231:
230:
174:
157:landing gear
150:
131:designed by
129:motor glider
124:
122:
101:Number built
47:motor glider
18:
694: [
582: [
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
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:.
74:/
682:e
675:t
668:v
571:e
564:t
557:v
378:4
364::
309:(
279::
248:1
189:£
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.