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Maybach HL230

German V12 petrol engine

Summary

German V12 petrol engine

Field	Value
name	Maybach HL230
image	Maybach HL 230 Technikmuseum Sinsheim.jpg
caption	The Maybach HL230 P30 in Sinsheim Auto & Technik Museum
manufacturer	Maybach
configuration	V-12
displacement	23095 cc
bore	130 mm
stroke	145 mm
block	Grey cast iron
head	Grey cast iron
valvetrain	SOHC
compression	6.8:1
fueltype	Gasoline
power	700 PS at 3,000 rpm
weight	1200 kg

The Maybach HL230 was a water-cooled 60° 23-litre V12 petrol engine. It was one of many different sized engines designed by Maybach. It was used during World War II in medium and heavy German tanks – the Panther, Jagdpanther, Tiger II, Jagdtiger (HL230 P30), and later versions of the Tiger I and Sturmtiger (HL230 P45).

Description

HL 210

The HL 230 engine was an upgraded version of the slightly smaller HL210 engine which was used to equip the first 250 Tiger I tanks built, and which had an aluminium crankcase and block. The earlier HL210 engine had a displacement of 21353 cc or 1779 cc per cylinder; with a bore of 125 mm and stroke of 145 mm.

HL 230

With the HL230, engine bore was increased from 125 to. It had a displacement of 23095 cc, or 1925 cc per cylinder from a bore of 130 mm and stroke of 145 mm. The maximum power output was 700 PS at 3,000 rpm. Maximum torque is 1850 Nm at 2,100 rpm. Typical output was 600 PS at 2,500 rpm.

The crankcase and block of the HL230 were made of grey cast iron and the cylinder heads from cast iron. The engine weighed 1200 kg and its dimensions were 1000 ×. Aspiration was provided by four twin-choke Solex type 52JFF carburettors. Ignition was by two magnetos. The compression ratio was 6.8:1. As was typical practice for Maybach, the engine used a tunnel crankshaft.

Late in the war the HL234 upgrade with fuel injection was recommended by the Entwicklungskommission Panzer for use in the underpowered Tiger II tank. The power output was expected to increase to between 800 and, and with supercharging to 1100 to.

Production

Approximately 9,000 HL230s were produced in total by Maybach, Auto Union and Daimler-Benz.

Beginning on 3 November 1944, they were produced at the Richard I underground factory at Leitmeritz concentration camp.

References

von Senger und Etterlin, F. M.. (1969). "German Tanks of World War II". Arms and Armour Press.
(2007). "Flossenbürg: das Konzentrationslager Flossenbürg und seine Außenlager". C. H. Beck.

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

tank-engines maybach-engines gasoline-engines-by-model v12-engines

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