Argus 115 hp
| Argus 115 hp | |
|---|---|
| |
| Argus 115 hp aircraft engine, intake side | |
| Type | Piston inline aero engine |
| National origin | Germany |
| Manufacturer | Argus Motoren |
| First run | c.1913 |
| Major applications | Jeannin Stahltaube (1913)[1] |
| Developed from | Argus 110 hp |
| Developed into | Argus As II |
The Argus 115 hp aircraft engine from 1913 was a six-cylinder, water cooled inline engine built by the German Argus Motoren company.
Design and development
[edit]The Argus 115 hp engine was a development from the earlier Argus 110 hp engine of 1912. It featured an increased bore of 130 mm (5.12 in) and a stroke of 130 mm (5.12 in). In early 1913 the engine was already available[1] and was said to deliver up to 115 hp (86 kW) at 1,400 rpm.[2] The normal speed of the engine has been reported as 1,350 rpm.[3]
Relative to the Argus 110 hp engine the main improvement besides the increased bore appears to be the introduction of a second magneto. To achieve this, the arrangement of the external engine components had been changed, with the water pump, now on the left side of the engine, directly coupled with one of the magnetos. The second magneto was driven via spur gears from the crankshaft and was located on the right hand side of the engine. The oil pump also had been relocated, now sitting separately on the engine case to the left, driven via spur gears from the camshaft at the propeller end.
When this engine later was tested by the Deutsche Versuchsanstalt für Luftfahrt in Berlin-Adlershof from 15 to 17 November 1913 it was and found to produce about 110 hp (82 kW) at 1,330 rpm.[4]
While this engine is referred to as 105/115 hp Argus[5] or 115 hp Argus[2][6] in some publications, these engines typically were referred to as '100 hp Argus'[7] engines in most contemporary reports, which at times makes it difficult to distinguish them from the 100 hp four-cylinder Argus As I or the Argus 110 hp.
First accounts for the use of this engine can be found in the reports for the 'Prinz-Heinrich-Flug' flying competition of 1913, which took place from May 10–17, 1913. Two aircraft with this engine have been enlisted, a Jeannin-Taube flown by Lt. Coerper, and an L.V.G.-biplane flown by Lt. Carganico, both powered by the Argus six-cylinder engine of 130 mm bore and stroke.[1]
Applications
[edit]- Jeannin Stahltaube (1913)[1]
- L.V.G.-biplane (1913)[1]
- Sikorsky Ilya Muromets No. 107, fitted with two 200 hp (150 kW) Salmson 2M7 and two Argus 115 hp engines.[8]
Specifications
[edit]
Data from Huth[2]
General characteristics
- Type: six-cylinder, water-cooled in-line piston engine
- Bore: 130 mm (5.12 in)
- Stroke: 130 mm (5.12 in)
- Dry weight: 200 kg (441 lb)
Components
- Cooling system: Water-cooled
Performance
- Power output: 115 hp (86 kW) at 1,400 rpm
See also
[edit]Related development
Related lists
References
[edit]
Notes
[edit]- ^ a b c d e Béjeuhr 1913, Dinglers Polytechnisches Journal pp. 372–374, also Z.F.M. pp. 140–142, 149–155; Note: The cylinder dimensions can be inferred via the given formula L = 10 V for estimated power L (listed as 103.5 hp) and displacement V
- ^ a b c Huth, 1914, pp. 69-73
- ^ Joachimczyk, 1914, pp. 538-540
- ^ Seppeler, Z.F.M. Vol.5 1914, issue 7, p. II
- ^ v. Mises, 1913, p. 310-311
- ^ Angle 1921, p. 51, referred to as 115 hp 'Type VII'
- ^ see e.g. Béjeuhr 1913, Z.F.M. p. 152-153, Lt. Coerpers aircraft
- ^ Khajrulin 2018, p. 21-39
Bibliography
[edit]- Joachimczyk, Alfred Marcel (1914). "Neuere Deutsche Flugmotoren". Der Motorwagen, XVII. Jahrgang, 1914 (in German). Berlin: Krayn: 538–540. OCLC 4551189.
- Huth, Fritz (1914). Motoren für Flugzeuge und Luftschiffe (in German). Berlin: R. C. Schmidt & co. pp. 69–73. OCLC 11492610.
- v. Mises, R. (1913). "Über die Bewertung der Flugleistungen beim Prinz-Heinrich-Flug 1913". Deutsche Luftfahrt, Jahrgang 1913 (in German). 17: 308–311. OCLC 29889214.
- Béjeuhr, Paul (1913). "Technischer Rückblick auf den Prinz-Heinrich-Flug 1913". Dinglers Polytechnisches Journal (in German). 328: 372–374.
- Béjeuhr, Paul (1913). "Prinz Heinrich-Flug 1913". Zeitschrift für Flugtechnik und Motorluftschiffahrt (in German). 4 (10–11): 140–142, 149–155. OCLC 1606129.
- Seppeler, E. (1914). "Dauerprüfung des Argus 6 Cylinder-Flugmotors Nr.1339". Zeitschrift für Flugtechnik und Motorluftschiffahrt (in German). 5 (7): II. OCLC 1606129.
- Angle, Glenn Dale (1921). Airplane Engine Encyclopedia: An Alphabetically Arranged Compilation Of All Available Data On The World's Airplane Engines. Otterbein Press. pp. 51-52. OL 23525261M.
- Khajrulin, M.A. (2018). Legendarnyj "Ilja Muromets". Pervyj tjazhelyj bombardirovschik (in Russian). Moscow: Jauza. pp. 35–39. ISBN 978-5-04-091056-4.
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