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The Volkswagen Polo Mk4 is the fourth generation of the Volkswagen Polo supermini car produced by the German manufacturer Volkswagen. It was marketed from early 2002 to 2010 in most countries except Argentina and the USA. It was manufactured in South Africa until 2017, it was sold as the Polo Vivo. [3]
The Mark III Polo or Typ 6N, (sometimes referred to as the "Mark 4" by enthusiasts as it is the Polo's fourth guise) appeared in 1994, [1] [10] and was a completely new model (on a new chassis), available as three- and five-door hatchback versions, the latter making VW the last major European manufacturer to finally offer rear side doors in ...
The Volkswagen Polo Playa is a supermini produced and sold in South Africa.From 1996 until 2002, it was a rebadged version of the SEAT Ibiza Mk2 five-door hatchback.A separate model, the Polo Mk3, was sold in most markets during this period - this model shared its mechanical components with the Ibiza and Playa, but in hatchback form, the body panels were all different.
The G60 is a 1.8-litre (1,781 cc) internal combustion engine, from a cylinder bore of 81 mm (3.19 in), and a piston stroke of 86.4 mm (3.40 in). Its cylinder block is constructed from grey cast iron, and its cylinder head is cast aluminium alloy, with additional post-production heat treatment.
A direct-shift gearbox (DSG, German: Direktschaltgetriebe [1]) [2] [3] is an electronically controlled, dual-clutch, [2] multiple-shaft, automatic gearbox, in either a transaxle or traditional transmission layout (depending on engine/drive configuration), with automated clutch operation, and with fully-automatic [2] or semi-manual gear selection.
Other variations of the first generation 6HP in addition to the 6HP 26, were 6HP19, and 6HP 32 having lower and higher torque capacity, respectively. In 2007, the second generation of the 6HP series was introduced, with models 6HP 21 and 6HP 28. A 6HP 34 was planned, but never went into production.
Torque measurement is somewhat complicated since there are two machines in tandem - an inline torque transducer is the preferred method of torque measurement in this case. An eddy-current or waterbrake dynamometer, with electronic control combined with a variable frequency drive and AC induction motor, is a commonly used configuration of this type.
Torque forms part of the basic specification of an engine: the power output of an engine is expressed as its torque multiplied by the angular speed of the drive shaft. Internal-combustion engines produce useful torque only over a limited range of rotational speeds (typically from around 1,000–6,000 rpm for a small car).