21 Nov 21
Full services were introduced on the Stourbridge Town Branch Line under the West Midlands Rail Franchise in May
2009. Early months of bedding down dealing with early causes of damage finally led up to high levels of reliability in
December. Thereafter throughout 2010 and forward into 2011 the service achieved exceptional levels of reliability
equivalent to best performance in the rail industry.
Class 139 rail vehicles have been designed for ease of
maintenance in a modestly equipped train care depot.
The mechanical and electrical components are designed
with for easy access, handle-ability and ease of sourcing
readily available spare parts.
The flywheel module, pictured extreme top left, is the component which makes the ‘super hybrid’ concept workable.
As a ‘KERS’ (Kinetic Energy Recovery System) device it
stores and releases energy at a faster rate than the railcar
engine. The engine is very small, 2.3 litres, but with the
booster energy available from the flywheel the railcar has
powerful acceleration.
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SUMMARY SPECIFICATION: Gas - flywheel - hydrostatic
transmission, tare 10.5t. Capacity 60 passengers, air brakes
and regenerative braking into flywheel energy store.
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#class139
#parrypeoplemover
#ultralightrail
#stourbridge
