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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)
553:. Flying Machines Press. pp. 222–232, 233–241.
60:. Unsourced material may be challenged and removed.
549:Davilla, Dr. James J.; Soltan, Arthur M. (2002).
466:Manuel d'aviation. Fascicule 5, 1916, pp. 149-152
265:De Dion-Bouton 130 hp aircraft engine (fan end)
8:
522:: CS1 maint: location missing publisher (
320:Specifications (De Dion-Bouton 12B 130 hp)
149:De Dion-Bouton 12B 130 hp aircraft engine
538:. Paris: Berger-Levrault. 1916. pp.
274:rotated at half speed of the crankshaft.
120:Learn how and when to remove this message
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237:, was a twelve-cylinder, air cooled vee
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282:gaps between the individual cylinders.
551:French aircraft of the First World War
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400:130 hp (97 kW) at 1,850 rpm
233:aircraft engine, also referred to as
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58:adding citations to reliable sources
27:1910s French piston aircraft engine
365:13.34 L (814 cu in)
25:
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45:needs additional citations for
535:Manuel d'aviation. Fascicule 5
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595:1910s aircraft piston engines
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135:De Dion-Bouton 12B 130 hp
484:Davilla 2002, pp. 233-241
475:Davilla 2002, pp. 222-232
356:126 mm (5.0 in)
347:106 mm (4.2 in)
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440:List of aircraft engines
330:General characteristics
241:that has been built by
69:"De Dion-Bouton 130 hp"
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249:Design and development
315:(French Army Type 46)
309:(French Army Type 45)
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231:De Dion-Bouton 130 hp
600:V12 aircraft engines
416:De Dion-Bouton 78 hp
222:De Dion-Bouton 78 hp
54:improve this article
428:Renault 130 hp V-12
410:Related development
422:Comparable engines
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235:De Dion-Bouton 12B
201:Major applications
18:De Dion-Bouton 12B
378:Zenith-Carburetor
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52:Please help
47:verification
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392:Performance
313:Farman F.40
206:Farman F.40
164:aero engine
589:Categories
560:1891268090
446:References
370:Components
192:First run
80:newspapers
518:cite book
325:Data from
110:July 2020
405:See also
540:149-152
195:c.1914
94:scholar
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352:Stroke
176:France
161:inline
158:Piston
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451:Notes
387:0.5:1
336:Type:
154:Type
101:JSTOR
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