After Jenson Button suffered from multiple reliability problems across the course of the Bahrain GP weekend, photographers had plenty of opportunities to capture some more of the exposed Honda power unit in the back of the so-far unsuccessful McLaren MP4-30. William Tyson explores the latest revelations. A lot has been disputed about the underlying technical details of Honda's 2015 powertrain. What we have already established is that they are indeed utilising the split turbo concept that Mercedes pioneered last year, with the exhaust driven turbine and the compressor being separated by the MGU-H that sits in the V of the engine. However, information remained scarce for some time as to how...
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