Maybach HL230
 | This articleneeds additional citations forverification.(March 2024) |
| Maybach HL230 | |
|---|---|
 The Maybach HL230 inSinsheim Auto & Technik Museum | |
| Overview | |
| Manufacturer | Maybach |
| Layout | |
| Configuration | V-12 |
| Displacement | 23.095 L (1,409.3 cu in) |
| Cylinder bore | 130 mm (5.1 in) |
| Piston stroke | 145 mm (5.7 in) |
| Cylinder blockmaterial | Cast-aluminium |
| Cylinder headmaterial | Cast-iron |
| Valvetrain | SOHC |
| Compression ratio | 6.8:1 |
| Output | |
| Power output | 700 PS (510 kW; 690 hp) @ 3,000 rpm |
| Dimensions | |
| Dry weight | 1,200 kg (2,600 lb) |
TheMaybach HL230was awater-cooled60° 23litreV12petrol enginedesigned byMaybach.It was used duringWorld War IIin medium and heavyGermantanks,namely thePanther,Jagdpanther,Tiger II,Jagdtiger(HL230 P30), and later versions of theTiger IandSturmtiger(HL230 P45).
Description[edit]
The engine was an upgraded version of the slightly smallerHL210engine which was used to equip the first 250 Tiger I tanks built, and which had analuminiumcrankcaseandblock.The earlier HL210 engine had a displacement of 21.353 L (1,303.0 cu in) or 1,779 cm³ per cylinder; bore 125 mm (4.9 in), stroke 145 mm (5.7 in).
With theHL230,engine bore was increased from 125 mm to 130 mm. It had a displacement of 23.095 L (1,409.3 cu in) or 1,925 cm³ per cylinder; bore 130 mm (5.1 in), stroke 145 mm (5.7 in). The maximum output of 700PS(690 hp, 515 kW) at 3,000rpm.Maximumtorqueis 1850 Nm (1364.5 ft lbs) at 2,100 rpm. Typical output was 600 PS (592 hp, 441 kW) at 2,500 rpm.
The crankcase and block of the HL230 were made ofgrey cast ironand thecylinder headsfromcast iron.The engine weighed 1200 kg and its dimensions were 1,000 mm × 1,190 mm × 1,310 mm (3 ft 3 in × 3 ft 11 in × 4 ft 4 in). Aspiration was provided by four twin-chokeSolextype 52JFFcarburettors.Ignition was by two magnetos. The compression ratio was 6.8:1. As was typical practice for Maybach, the engine used atunnel crankshaft.
Late in the war the HL234 upgrade withfuel injectionwas recommended by the Entwicklungskommission Panzer for use in the underpoweredTiger IItank. The power output was expected to increase to between 800 and 900 PS (hp), and with supercharging to 1100 to 1200 hp.[1]
Production[edit]
Approximately 9,000 HL230s were produced in total by Maybach,Auto UnionandDaimler-Benz.
Beginning on 3 November 1944, they were produced at the Richard I underground factory atLeitmeritz concentration camp.[2]
See also[edit]
- List of WWII Maybach engines
- Kharkiv model V-2,equivalent contemporary Soviet tank engine
- Rolls-Royce Meteor,equivalent contemporary British tank engine
References[edit]
- ^German Tanks of World War II.F M von Senger und Etterlin: Arms and Armour Press, 1969, 1973 ISBN
- ^Skriebeleit, Jörg (2007). "Leitmeritz". In Benz, Wolfgang; Distel, Barbara (eds.).Flossenbürg: das Konzentrationslager Flossenbürg und seine Außenlager[Flossenbürg: Flossenbürg Concentration Camp and its Subcamps] (in German). Munich: C. H. Beck. p. 171.ISBN9783406562297.
External links[edit]
- Copy of British report on the HL230 and HL210 engines- Tiger I Information Center
- Detailed picture gallery of HL230 Tiger engine overhaul- Armytech
- "French Army studies of captured equipment (1945) - general arrangement drawings, HL230 P30".Defence Historical Service.Archived fromthe original(TIFF)on 16 December 2007.