51:
186:. The designs proved successful and, using this experience, the company designed a range of related radial engines named "Stella", meaning star. The design was led by the engineer Renzo Spolti. The engines were initially known by their number of cylinders, so the first nine-cylinder model in the range was the
197:. It retained the same bore and stroke as the original Gnome-Rhône designs, 146 mm (5.7 in) and 165 mm (6.5 in) respectively, but was substantially more powerful than the comparable
925:
884:
879:
672:
818:
201:. The engine had a two piece aluminium alloy crankcase, steel barrels for the cylinders and aluminium alloy heads. A Piaggio T2-80 updraught
190:
of 1933. However, a progressive number in Roman numerals was used as the design progressed, so the P.IX was followed by the P.X.
930:
565:
768:
749:
730:
711:
689:
17:
920:
811:
455:
503:
804:
844:
221:
515:
205:
was fitted. The basic version, the R., had reduction gear, while the R.C. was also equipped with a
849:
395:
287:
225:
282:
277:
854:
194:
8:
859:
481:
340:
187:
122:
779:
666:
827:
764:
745:
726:
707:
685:
498:
446:
163:
143:
90:
557:
493:
198:
179:
147:
35:
50:
899:
830:
331:
183:
383:
914:
894:
889:
874:
404:
322:
316:
262:
139:
869:
699:
390:
213:
206:
167:
151:
796:
440:
450 hp (336 kW) at 1,800 rpm at 3,500 m (11,500 ft)
377:
361:
272:
267:
217:
202:
159:
155:
110:
59:
407:
31:
220:
was particularly noteworthy for its performance in the
Battles of
150:
designs, the engine was used to power a number of aircraft during
252:
Supercharged and geared, rated at 3,500 m (11,500 ft).
704:
The
Illustrated Encyclopedia of Combat Aircraft of World War II
246:
Supercharged and geared, rated at 1,500 m (4,900 ft).
80:
682:
War Planes of the Second World War: Volume Six – Floatplanes
212:
The engine powered the
Italian aircraft that served during
612:
610:
607:
634:
595:
585:
583:
533:
622:
580:
193:The Stella P.X was a nine cylinder version of the
912:
812:
761:Italian Civil and Military Aircraft 1930–1945
386:per cylinder operated by rockers and pushrods
182:in 1925 for their engines derived from the
819:
805:
671:: CS1 maint: location missing publisher (
306:
293:
926:Aircraft air-cooled radial piston engines
777:
739:
640:
616:
601:
173:
826:
758:
720:
698:
552:
550:
548:
539:
14:
913:
434:640 hp (477 kW) at 2,250 rpm
146:Based on experience license-producing
800:
679:
656:
628:
589:
545:
27:1930s Italian aircraft piston engine
568:from the original on 26 August 2017
315:9-cylinder, single row, air cooled
24:
723:World Encyclopedia of Aero Engines
25:
942:
742:The Italian Navy in World War II
178:Piaggio acquired a license from
58:A close cowled P.X fitted to an
49:
778:Wilkinson, Paul Howard (1945).
650:
504:Pratt & Whitney R-1340 Wasp
256:
138:, was an Italian nine-cylinder
759:Thompson, Jonathon W. (1963).
419:
240:Normally aspirated and geared.
13:
1:
931:1930s aircraft piston engines
784:. New York: Paul H. Wilkinson
781:Aircraft Engines of the World
744:. Westport: Greenwood Press.
521:
370:
763:. USA: Aero Publishers Inc.
725:. London: Guild Publishing.
706:. London: Salamander Books.
526:
351:1,408 mm (55.4 in)
142:aircraft engine produced by
7:
470:
345:24.9 L (1,519 in)
231:
10:
947:
657:Angle, Glenn Dale (1939).
460:300 g/kWh (0.48 lb/(hp·h))
357:1,280 mm (50 in)
162:, used extensively by the
29:
837:
740:Sadkovich, James (1994).
466:8 g/kWh (0.018 lb/(hp·h))
456:Specific fuel consumption
366:430 kg (950 lb)
336:165 mm (6.5 in)
327:146 mm (5.7 in)
57:
48:
43:
921:Piaggio aircraft engines
516:List of aircraft engines
30:Not to be confused with
680:Green, William (1967).
307:General characteristics
294:Specifications (R.C.35)
32:Piaggio Vespa PX Stella
721:Gunston, Bill (1986).
396:Centrifugal compressor
288:Savoia-Marchetti SM.81
174:Design and development
144:Rinaldo Piaggio S.p.A.
684:. London: Macdonald.
283:Savoia-Marchetti S.74
278:Savoia-Marchetti S.73
482:Piaggio Stella P.IX
476:Related development
123:Piaggio Stella P.IX
488:Comparable engines
136:Piaggio Stella P.X
106:Major applications
70:Air cooled radial
18:Piaggio Stella P.X
908:
907:
770:978-0-81686-500-0
751:978-0-31328-797-8
732:978-0-85059-717-2
713:978-0-86101-017-2
691:978-3-56014-509-1
558:"PXI RC40 engine"
499:Nakajima Kotobuki
447:Compression ratio
164:Regia Aeronautica
128:
127:
16:(Redirected from
938:
821:
814:
807:
798:
797:
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774:
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736:
717:
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626:
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614:
605:
599:
593:
587:
578:
577:
575:
573:
554:
543:
537:
464:Oil consumption:
222:Cape Spartivento
154:, including the
119:
107:
77:
53:
41:
40:
21:
946:
945:
941:
940:
939:
937:
936:
935:
911:
910:
909:
904:
900:Piaggio-Jupiter
833:
825:
787:
785:
771:
752:
733:
714:
692:
664:
663:
653:
648:
647:
639:
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623:
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588:
581:
571:
569:
556:
555:
546:
538:
534:
529:
524:
473:
428:
422:
413:Cooling system:
384:overhead valves
373:
309:
302:Wilkinson, 1945
296:
259:
234:
184:Bristol Jupiter
176:
117:
105:
76:National origin
75:
39:
28:
23:
22:
15:
12:
11:
5:
944:
934:
933:
928:
923:
906:
905:
903:
902:
897:
892:
887:
882:
877:
872:
867:
862:
857:
852:
847:
841:
839:
838:Piston engines
835:
834:
824:
823:
816:
809:
801:
795:
794:
775:
769:
756:
750:
737:
731:
718:
712:
696:
690:
677:
652:
649:
646:
645:
641:Sadkovich 1994
633:
631:, p. 111.
621:
619:, p. 302.
617:Wilkinson 1945
606:
602:Wilkinson 1945
594:
592:, p. 584.
579:
544:
542:, p. 125.
531:
530:
528:
525:
523:
520:
519:
518:
507:
506:
501:
496:
494:Gnome-Rhône 9K
485:
484:
472:
469:
468:
467:
461:
452:
443:
442:
441:
435:
421:
418:
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275:
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258:
255:
254:
253:
250:
247:
244:
241:
238:
233:
230:
180:Gnome et Rhône
175:
172:
170:respectively.
148:Gnome et Rhône
126:
125:
120:
118:Developed from
114:
113:
108:
102:
101:
98:
94:
93:
88:
84:
83:
78:
72:
71:
68:
64:
63:
55:
54:
46:
45:
26:
9:
6:
4:
3:
2:
943:
932:
929:
927:
924:
922:
919:
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881:
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876:
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868:
866:
863:
861:
858:
856:
853:
851:
848:
846:
843:
842:
840:
836:
832:
829:
822:
817:
815:
810:
808:
803:
802:
799:
783:
782:
776:
772:
766:
762:
757:
753:
747:
743:
738:
734:
728:
724:
719:
715:
709:
705:
701:
700:Gunston, Bill
697:
693:
687:
683:
678:
674:
668:
660:
655:
654:
643:, p. 98.
642:
637:
630:
625:
618:
613:
611:
604:, p. 60.
603:
598:
591:
586:
584:
567:
563:
562:Museo Piaggio
559:
553:
551:
549:
541:
536:
532:
517:
514:
513:
512:
511:
510:Related lists
505:
502:
500:
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492:
491:
490:
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483:
480:
479:
478:
477:
465:
462:
459:
457:
453:
450:
448:
444:
439:
436:
433:
430:
429:
427:
426:Power output:
424:
423:
414:
411:
409:
406:
402:
399:
397:
394:
392:
388:
385:
381:
379:
375:
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356:
353:
350:
347:
344:
342:
338:
335:
333:
329:
326:
324:
320:
318:
317:radial engine
314:
311:
310:
304:
303:
300:
289:
286:
284:
281:
279:
276:
274:
271:
269:
266:
264:
263:IMAM Ro.37bis
261:
260:
251:
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236:
235:
229:
227:
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215:
210:
208:
204:
200:
196:
191:
189:
185:
181:
171:
169:
165:
161:
157:
156:IMAM Ro.37bis
153:
149:
145:
141:
137:
133:
124:
121:
116:
115:
112:
109:
104:
103:
100:Renzo Spolti
99:
96:
95:
92:
89:
87:Manufacturer
86:
85:
82:
79:
74:
73:
69:
66:
65:
61:
56:
52:
47:
42:
37:
33:
19:
864:
831:aero engines
786:. Retrieved
780:
760:
741:
722:
703:
681:
658:
651:Bibliography
636:
624:
597:
570:. Retrieved
561:
540:Gunston 1986
535:
509:
508:
487:
486:
475:
474:
463:
454:
445:
437:
431:
425:
412:
400:
391:Supercharger
389:
376:
360:
354:
348:
341:Displacement
339:
330:
321:
312:
301:
298:
297:
257:Applications
226:Cape Matapan
214:World War II
211:
192:
177:
168:Regia Marina
152:World War II
135:
131:
129:
661:. New York.
420:Performance
203:carburettor
132:Piaggio P.X
44:Stella P.X
915:Categories
659:Aerosphere
629:Green 1967
590:Angle 1939
522:References
432:Take-off:
415:Air-cooled
401:Fuel type:
378:Valvetrain
371:Components
362:Dry weight
273:IMAM Ro.44
268:IMAM Ro.43
249:P.X R.C.35
243:P.X R.C.15
218:IMAM Ro.43
207:compressor
160:IMAM Ro.43
111:IMAM Ro.43
60:IMAM Ro.43
667:cite book
527:Citations
355:Diameter:
299:Data from
97:Designer
36:Stella PX
788:27 March
702:(1978).
572:27 March
566:Archived
471:See also
438:Cruise:
232:Variants
62:in 1940
828:Piaggio
349:Length:
91:Piaggio
895:P.XXII
767:
748:
729:
710:
688:
408:petrol
405:Octane
332:Stroke
237:P.X R.
216:. The
140:radial
890:P.XIX
885:P.XVI
875:P.XII
855:P.VII
451:6.0:1
313:Type:
195:P.VII
134:, or
81:Italy
67:Type
880:P.XV
870:P.XI
860:P.IX
850:P.II
845:K.14
790:2020
765:ISBN
746:ISBN
727:ISBN
708:ISBN
686:ISBN
673:link
574:2020
382:2 x
323:Bore
224:and
188:P.IX
166:and
158:and
130:The
865:P.X
403:87
34:or
917::
669:}}
665:{{
609:^
582:^
564:.
560:.
547:^
228:.
209:.
199:9K
820:e
813:t
806:v
792:.
773:.
754:.
735:.
716:.
694:.
675:)
576:.
458::
449::
393::
380::
364::
343::
334::
325::
38:.
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
