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The cooling of the cylinders was done by air. A fan was mounted directly on the crankshaft on the end opposite to the propeller, which ensured the circulation of air around the cylinders by forcing the air into the enclosed space between the two cylinder rows. The air was then discharged through the
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The propeller shaft was geared down from the crankshaft by spur gears and rotated at half the engine speed. The intake and exhaust valves were controlled by a single camshaft, which was placed between the two rows of cylinders. The camshaft was connected to the propeller shaft and therefore also
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The cylinders and cylinder heads were separate cast-iron pieces with cast fins for air-cooling. The cylinder head was tightened to the cylinder and then secured by a cross-shaped clamp which was bolted to the crankcase with four long studs. The inlet and exhaust valves sat vertically opposed in a
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The pistons were made from cast iron and had 3 piston rings. The connecting rods for one cylinder row connected to the crank pin via forked rods, while the rods from the other side were articulated in the space between their forked ends. The crankshaft was supported by five plain intermediate
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The De Dion-Bouton 12B 130 hp aircraft engine was an air-cooled twelve cylinder Vee engine with two rows of six cylinders, having a bore of 106 mm and a stroke of 126 mm. The two cylinder rows were inclined at 90 degrees to each other and consisted of separately cast cylinders.
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lateral pocket of the cylinder head on the side of the combustion chamber, with the inlet valve situated below the exhaust valve. The inlet valve was operated directly from the camshaft via a tappet, whereas the exhaust valve was operated via a push rod and a rocker lever.
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The lower part of the crankcase served as an oil reservoir. A pressurized oil lubrication system was fed by a gear pump located on the lowest point of the crankcase. The oil pump was driven over a vertical shaft from the camshaft via helical gears.
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Ignition was provided by two Bosch type Z.U.6 magnetos and a single spark plug per cylinder. The magnetos were placed opposite to each other on both sides atop the reduction gearing, each driven by a separate transversal shaft via bevel gears.
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bearings and three outer ball bearings, with two of the ball bearings supporting the spur gear on the propeller end and one ball bearing supporting the fan end.
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Two dual barrel Zénith carburetors were fitted, one on each sides of the engine case, with each carburetor feeding one row of six cylinders.
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Puteaux. Usines de Dion-Bouton. Moteur d'avion de Dion à refroidissement à air (31 January 1916)
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Dion-Bouton 130 hp V-12 on a test stand (31 January 1916, mislabeled as
Renault engine)
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12-cylinder, 90-degree Vee, air-cooled in-line piston engine
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Notice sur le moteur d'aviation 130 hp De Dion-Bouton
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Notice sur le moteur d'aviation 130 hp De Dion-Bouton
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De Dion-Bouton 130 hp aircraft engine (propeller end)
542:. Flying Machines Press. pp. 222–232, 233–241.
49:. Unsourced material may be challenged and removed.
538:Davilla, Dr. James J.; Soltan, Arthur M. (2002).
455:Manuel d'aviation. Fascicule 5, 1916, pp. 149-152
254:De Dion-Bouton 130 hp aircraft engine (fan end)
8:
511:: CS1 maint: location missing publisher (
309:Specifications (De Dion-Bouton 12B 130 hp)
138:De Dion-Bouton 12B 130 hp aircraft engine
527:. Paris: Berger-Levrault. 1916. pp.
263:rotated at half speed of the crankshaft.
109:Learn how and when to remove this message
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226:, was a twelve-cylinder, air cooled vee
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271:gaps between the individual cylinders.
540:French aircraft of the First World War
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389:130 hp (97 kW) at 1,850 rpm
222:aircraft engine, also referred to as
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47:adding citations to reliable sources
16:1910s French piston aircraft engine
354:13.34 L (814 cu in)
14:
129:
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34:needs additional citations for
524:Manuel d'aviation. Fascicule 5
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584:1910s aircraft piston engines
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124:De Dion-Bouton 12B 130 hp
473:Davilla 2002, pp. 233-241
464:Davilla 2002, pp. 222-232
345:126 mm (5.0 in)
336:106 mm (4.2 in)
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429:List of aircraft engines
319:General characteristics
230:that has been built by
58:"De Dion-Bouton 130 hp"
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238:Design and development
304:(French Army Type 46)
298:(French Army Type 45)
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220:De Dion-Bouton 130 hp
589:V12 aircraft engines
405:De Dion-Bouton 78 hp
211:De Dion-Bouton 78 hp
43:improve this article
417:Renault 130 hp V-12
399:Related development
411:Comparable engines
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224:De Dion-Bouton 12B
190:Major applications
367:Zenith-Carburetor
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41:Please help
36:verification
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381:Performance
302:Farman F.40
195:Farman F.40
153:aero engine
578:Categories
549:1891268090
435:References
359:Components
181:First run
69:newspapers
507:cite book
314:Data from
99:July 2020
394:See also
529:149-152
184:c.1914
83:scholar
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341:Stroke
165:France
150:inline
147:Piston
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440:Notes
376:0.5:1
325:Type:
143:Type
90:JSTOR
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