Major alterations to the main electrical cables have been completed and these are now totally encased within copper tubing to remove the large EM ( electro-magnet) signal that was knocking out the test equipment laptops and data loggers.
Also the shaft support bushing has been replaced with a new unit, this meant the test tank had to be mostly drained to allow the drive shaft to be withdrawn,
While most of the water was removed extra stainless steel internal baffles have been fitted to improve the water flow pattern.
The test tank refill has already started, will take about 5 days, then we will start to work up the flow rates in the prototype test and demonstration area.
With two extra large removeable baffles, the test area now can be changed from 1.5m width to either 1.0m width or 0.5m width, all with a depth of 1.25m
These removeable baffles will increase the water flow rates for smaller prototype testing.
Hope to complete the work up programme within the next two weeks. We have some 0.5 metre prototype turbine models, formally used in the water test tank at UCL, London, which will be used for setting up the test equipment etc.
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