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29:
189:
On 3 June 1929 the first two-way, radiophone communication took place over the skies of the
Packard Proving Grounds in Utica, (now Shelby Township, Michigan). Heretofore, gasoline powered aircraft caused too much electromagnetic interference for the weak voice signal to be heard over the static.
190:
Only a strong Morse code signal could be heard. As diesel engines neither have spark plugs, nor spark plug wiring the EM static was greatly reduced and allowed voice communication to be used. The two-way ground to plane voice communication was witnessed by the U.S. Department of
Commerce.
145:
In 1930, the DR-980 passed its 50-hour certification test with a continuous rating of 225 hp (168 kW) at 1,950 rpm. Production of the DR-980 ceased following the death of
Captain Woolson in an aviation accident in April 1930; his legacy was the award of the
138:, the new engine showed its economy, the cost for fuel consumption being less than one cent a mile. This aircraft (complete with its engine) is preserved at the
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177:, set a record for staying aloft for 84 hours and 32 minutes without being refueled. This record was not broken until 55 years later by the
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first certificated in 1930. The engine was unpopular despite its economy and reliability due to the unpleasant nature of its
122:, the DR-980 made the first cross-country flight with a Diesel-powered aircraft in the United States when Woolson flew from
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in 1929, a distance of 700 miles (1,126 km) with a flight time of 6 hours and 40 minutes. On a later flight in a
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in 1931 to the
Packard Motor Car Company for its work with this type of engine.
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Aircraft Engine
Historical Society – Development of the Diesel Aircraft Engine
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fumes and considerable vibration when running; approximately 100 were built.
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National Museum of the United States Air Force – Packard DR-980 fact sheet
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The First
Airplane Diesel Engine: Packard Model DR-980 of 1928
157:, a spiral of metal tubing placed around the propeller shaft.
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521:
National
Aeronautic Association – Collier Trophy winners
595:. Cambridge, England. Patrick Stephens Limited, 1989.
606:
Aircraft Engine
Historical Society – Packard Engines
184:
153:One recognizable feature of later DR-980s was the
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624:National Museum of the USAF – DR-980 factsheet
284:National Museum of the United States Air Force
38:National Museum of the United States Air Force
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36:A preserved Packard DR-980 on display at the
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568:Aircraft Engine Historical Society – Packard
490:Aircraft Engine Historical Society – Diesels
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279:Museo Nacional de Aeronáutica de Argentina
272:Museo Nacional de Aeronáutica de Argentina
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768:Air-cooled aircraft piston engines
593:World Encyclopedia of Aero Engines
298:Aircraft Engine Historical Society
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169:fitted with a DR-980, piloted by
185:Radiophone Communications Record
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193:
773:Aircraft radial diesel engines
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778:1920s aircraft piston engines
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398:240 hp (179 kW) at 2,000 rpm
7:
523:Retrieved: 29 December 2018
420:
10:
799:
577:Retrieved: 30 January 2009
535:Retrieved: 7 February 2009
511:Retrieved: 30 January 2009
509:Golden Wings Flying Museum
499:Retrieved: 30 January 2009
140:Golden Wings Flying Museum
732:
684:
545:Publication: May 1930 QST
35:
26:
21:
783:Packard aircraft engines
464:
454:List of aircraft engines
368:One valve per cylinder,
270:A Packard DR 980 at the
558:Retrieved: 16 July 2017
407:0.25 hp/inÂł (11.2 kW/L)
302:General characteristics
291:Specifications (DR-980)
416:0.44 hp/lb (0.8 kW/kg)
274:
251:Verville Sport Trainer
110:Design and development
100:aircraft Diesel engine
16:American Diesel engine
412:Power-to-weight ratio
325:4 13/16 in (122.2 mm)
269:
477:Gunston 1989, p.109.
114:Designed by Captain
94:is an American nine-
533:Aviation Chronology
216:Brunner-Winkle Bird
573:2015-03-25 at the
495:2012-02-12 at the
426:Comparable engines
275:
262:Engines on display
202:– prototype OK-AUA
165:On 28 May 1931, a
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638:Project Gutenberg
246:Stinson Detroiter
171:Walter Edwin Lees
132:Stinson Detroiter
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256:Waco HSO and HTO
161:Endurance record
134:from Detroit to
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383:Cooling system:
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352:550 lb (227 kg)
334:6 in (152.4 mm)
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211:Bellanca CH-300
206:Bellanca CH-200
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175:Frederic Brossy
167:Bellanca CH-300
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343:980 inÂł (16 L)
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148:Collier Trophy
120:Hermann Dorner
118:and Professor
116:Lionel Woolson
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104:diesel exhaust
92:Packard DR-980
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448:Related lists
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236:O-17 Courier
194:Applications
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91:
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77:Number built
390:Performance
310:9-cylinder
241:Stewart M-2
98:air-cooled
47:Air-cooled
762:Categories
460:References
385:Air-cooled
378:Diesel oil
375:Fuel type:
364:Valvetrain
357:Components
348:Dry weight
231:Mooney A-1
155:oil cooler
68:First run
296:Data from
200:Aero A.35
571:Archived
493:Archived
421:See also
96:cylinder
675:Packard
432:BMW 114
124:Detroit
62:Packard
22:DR-980
724:X-2775
719:V-1650
714:DR-980
709:A-2500
704:A-2025
699:A-1500
694:A-1100
599:
330:Stroke
312:Diesel
49:Diesel
465:Notes
308:Type:
136:Miami
71:1928
44:Type
747:XJ49
742:XJ41
597:ISBN
321:Bore
173:and
90:The
84:100
636:at
126:to
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482:^
181:.
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82:c.
667:e
660:t
653:v
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286:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
