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Rolls ups heavies

19th November 1983
Page 16
Page 16, 19th November 1983 — Rolls ups heavies
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ILLS-ROYCE has made a number of changes to its Eagle range of gines and is exhibiting a new, more powerful variant of the 300Li, the Scottish Show.

4Ithough the dimensions of 12.17 litre engine remain unanged there are several signiant modifications including an proved piston and liner, the )Iacement of the CAV fuel in:tion pump with a Bosch unit, lew Garrett turbocharger and arger capacity compressor.

The 300 Li (the i means imoved and not intercooled), th improved torque, specific consumption, and smoke ryes replaces the 290L engine, d is rated to 80/1269 EEC stanrds at 224kW (300bhp) gross 1,950rpm. Maximum torque 1,265Nm (930 lbft) is reached 1,200rpm. The 290 L's 194Nm (878 lbft) was at 250rpm. The 300Li has a nimum full-load specific fuel nsumption of 206g/kW/h (0.34 'bhp/h) at 1,500rpm.

or this more powerful enle, Rolls-Royce has specified a Isch pressure lubricated fuelection pump fitted with an all eed governor. The feed pump s a hand priming facility. Improvements to the piston and liner include the use of silicon-carbide treated cylinder liners while the chambers in the piston crown have changed profiles.

A Garrett T51 turbocharger, one of a new generation, replaces the T6010 used previously on the 290L. The new turbo gives a five per cent improvement in compression efficiency over the earlier unit.

To meet increased demands for compressed air, Clayton Dewandre has developed a larger capacity twin-cylinder compressor of monobloc construction with a swept volume of 530cc (32.3cuin), which is also interchangeable with the current 430cc (26.2cuin) unit.

Production of the 300Li engine begins next March and the design changes will be carried over to other engines in the Eagle range, with increased power ratings to be announced.

Despite the changes, overall dimensions and net dry weight remain unchanged. changeable with the current 430cc (26.2cuin) unit.

Production of the 300Li engine begins next March and the design changes will be carried over to other engines in the Eagle range, with increased power ratings to be announced.

Despite the changes, overall dimensions and net dry weight remain unchanged.

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