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Marine version, 1200 hp (895 kW), subsequently upgraded in stages to 1500 hp (1,150 kW).
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was the most numerous. Three marine versions, used most prominently in
American World War II
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Three working
Packard 5M-2500s are installed the only operational PT boat, Higgins
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Marine version, larger supercharger, aftercooler, and power output of 1850 hp
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181:, which were fitted with 535 4M-2500 engines with W-8 modification under
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124:, the 3M-2500, 4M-2500, and 5M-2500, were also derived from it.
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A Packard Series 142 Diesel Model 1D-1700 is on display at the
218:
1926, Geared propeller drive option, 800 hp. 175 built.
653:. Cambridge, England. Patrick Stephens Limited, 1989.
234:
1930, experimental use only, 1500 hp. One built.
664:
Aircraft Engine
Historical Society - Packard Engines
116:. Five aero variants were produced, of which the
815:
695:National Museum of the United States Air Force
554:National Museum of the United States Air Force
264:National Museum of the United States Air Force
112:in 1924 as a successor to the World War I-era
38:National Museum of the United States Air Force
36:A preserved Packard 3A-2500 on display at the
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626:Aircraft Engine Historical Society - Packard
576:"Packard 3A-2500 Geared Drive, V-12 Engine"
307:
16:American V-12 liquid-cooled aircraft engine
722:
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323:
294:Historical Site in Shelby Twp., Michigan.
287:Historical Site in Shelby Twp., Michigan.
319:and Race With the Wind By Birch Matthews
283:A Packard 4M-2500 is on display at the
276:A Packard 3A-2500 is on display at the
269:A Packard 3A-2500 is in storage at the
262:A Packard 3A-2500 is on display at the
816:
443:850 hp (630 kW) at 2,500 rpm
161:- marine versions of the 3M/4M/5M-2500
703:
672:. Osceola, WI. MBI Publishing, 2001.
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388:2,540 cu in (41.6 L)
13:
651:World Encyclopedia of Aero Engines
316:Aircraft Engine Historical Society
14:
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1:
824:1920s aircraft piston engines
580:National Air and Space Museum
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472:Fairmile D motor torpedo boat
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271:National Air and Space Museum
197:1924, 800 hp. Six built.
7:
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397:1,120 lb (510 kg)
188:
10:
850:
635:Retrieved: 30 January 2009
413:Four valves per cylinder,
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740:
582:. Smithsonian Institution
228:, 900 hp. One built.
149:Naval Aircraft Factory PN
35:
26:
21:
829:Packard aircraft engines
526:
516:List of aircraft engines
308:Specifications (1A-2500)
461:0.76 hp/lb (1.25 kW/kg)
452:0.33 hp/in³ (15.2 kW/L)
324:General characteristics
292:Packard Proving Grounds
285:Packard Proving Grounds
203:1925, 800 hp. 75 built.
606:New England Air Museum
379: in (165 mm)
357: in (162 mm)
278:New England Air Museum
457:Power-to-weight ratio
834:V12 aircraft engines
539:Gunston 1989, p.109.
303:in Portland, Oregon.
224:1927, fitted with a
504:Rolls-Royce Buzzard
670:Race With the Wind
631:2015-03-25 at the
488:Comparable engines
257:Engines on display
811:
810:
668:Matthews, Birch.
602:"Packard 3A-2500"
550:"Packard 3A-2500"
415:overhead camshaft
211:Huff-Daland XHB-1
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790:Turbine engines
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691:Packard 3A-2500
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649:Gunston, Bill.
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633:Wayback Machine
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477:Packard 1A-1500
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165:Packard-Bentley
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106:aircraft engine
98:is an American
96:Packard 1A-2500
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56:National origin
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60:United States
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556:. 8 June 2015
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510:Related lists
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499:Mikulin AM-34
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643:Bibliography
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609:. Retrieved
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584:. Retrieved
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558:. Retrieved
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384:Displacement
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332:12-cylinder
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226:supercharger
139:Heinkel HE 8
128:Applications
117:
114:Liberty L-12
108:designed by
95:
93:
84:Number built
435:Performance
179:sub-chasers
818:Categories
522:References
420:Fuel type:
409:Valvetrain
402:Components
393:Dry weight
183:Lend-Lease
144:Martin T3M
75:First run
49:V12 engine
313:Data from
134:Boeing TB
629:Archived
466:See also
334:V engine
189:Variants
159:PT boats
122:PT-boats
22:1A-2500
731:Packard
611:26 June
586:26 June
560:26 June
374:⁄
352:⁄
249:5M-2500
243:4M-2500
237:3M-2500
231:5A-2500
221:4A-2500
215:3A-2500
206:2A-2540
200:2A-2500
194:1A-2500
118:3A-2500
110:Packard
69:Packard
780:X-2775
775:V-1650
770:DR-980
765:A-2500
760:A-2025
755:A-1500
750:A-1100
676:
657:
494:BMW VI
423:Petrol
362:Stroke
300:PT-658
527:Notes
330:Type:
78:1924
44:Type
803:XJ49
798:XJ41
674:ISBN
655:ISBN
613:2020
588:2020
562:2020
340:Bore
177:and
171:USSR
100:V-12
94:The
88:258
820::
693:–
604:.
578:.
552:.
209:?
723:e
716:t
709:v
615:.
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372:1
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280:.
273:.
266:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
