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| Design
of Propeller Shaft Power Meter / Torsion Meter for DFDS
Tor Baltica... |
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| The
17 year old Torsion Meter on Tor Baltica had an obsolete micro
computer (responsible for data acquisition, calculation &
display) which had failed and was beyond economical repair,
rendering the entire system unusable.
The Torsion Meter shaft monitoring electronics and strain
gauges were in good serviceable condition but the owners were
advised that the only option was to renew the whole system
at a cost of around £13-14K, less installation &
commissioning.
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We
suggested that a more economical solution would be to retain
the existing serviceable and supportable Torsion Meter components
(shaft rotor & stator electronics) and design a replacement
data acquisition and display system.
Our recommendations were accepted and we carried out the work
at a total cost of around £6K (including installation
and commissioning). This resulted in an overall saving to the
owner of around £8K or 60%.
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The
Torsion Meter system gives a continuous numerical readout
of shaft speed, torque and power averaged over a 10 second
interval. A bar graph display of power is also provided for
easy comparison between Port & Stbd engines.
Close up photograph of the display |
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| We
have lots of experience in repairing and re-engineering existing
and often obsolete equipment resulting in significant cost
savings to our clients. Our wide skills base, from microelectronic
design to software engineering enable us to produce economical
solutions to difficult problems.
For more information see ELECTRONICS
and AUTOMATION. |
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