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TRK notes successful trial of KERS

05 January 2016 10:27

Torotrak and Wrightbus confirm the successful completion of the in-service trial of a Wrightbus StreetLite midi bus fitted with Torotrak's Flybrid mechanical kinetic energy recovery system (KERS).

The trial was made possible by, and conducted with, Arriva, one of the largest bus operators in the UK.

The trial was conducted on a standard bus route in Gillingham, Kent from March 2015.

It successfully demonstrated the performance of the Flybrid KERS under real-world operating conditions including the capture, storage and release of energy from the brakes and the drivability of the system.

The learnings from the trial have already proven invaluable in selecting the operating strategy for the volume production system, which will be a second generation design.

Already undergoing detailed testing on rigs and in a new Euro VI StreetLite bus, this new KERS design is intended to further improve bus fuel efficiency and reduces the KERS weight and cost, helping to improve the bus operator payback.

The new design has reduced parts count and system weight by 30% and 80kg respectively and incorporates a simpler 2x2x2 clutched flywheel transmission system reducing 'coast down' losses and improving efficiency during torque transfer.

In collaboration with its global Tier 1 manufacturing partner, Torotrak is on track to commence production of bus KERS systems from mid 2016 onwards. Tier 2 suppliers across the UK and other parts of the EU have been nominated and the manufacture of production tooling is currently underway.

At 10:27am: (LON:TRK) Torotrak PLC share price was +0.1p at 3.7p

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