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Our first SuperGen prototype has now completed its initial rig test programme. The rig fully replicates the air path for any proposed installation and has enabled us to produce a comprehensive data set including steady state and transient conditions. This has enabled further refinement of our simulation, which now includes detailed models for motor drives and the capacitive energy storage system.
In line with our simulation the test results show transition from atmospheric pressure to full boost pressure in less than 0.3 seconds. This is achieved smoothly without shock loading of the belt system and will enable SuperGen to meet a key objective; to make the performance feel of a small pressure-charged engine indistinguishable from that of a much larger naturally aspirated unit.
Engine based hardware tests with two lead OEMs are due to proceed towards the end of Q3 this year and we will be approaching others now that the initial prove-out is completed.
Meanwhile, simulation work is currently taking place on a system which combines a small SuperGen unit with a turbocharger giving the same naturally aspirated response characteristics with maximum downsizing potential. We believe that this promises to provide the ultimate boosting system and our work in this area will be covered in our next newsletter. |