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Don't be surprise that the new F1 1.6L V6 Turbo engines(HPD 2.2t) go axial turbine with compound compressor.
That will miss up all those graphs everybody been working on what engine is the best!
The father of the new F1 engine rules(Gilles Simon)was whispering that was the way to go to make the most power with the least fuel.
The axial turbine will not have the air-flow problems(exhaust gas restrictions) of a radial turbine and a compound compressor(multi-stage) solves the problem of over-speed of the compressor.(bottomline a much bigger powerband and much less energy lost)
Its kinda like the WW2 aircraft piston engines at the end of War with a 4-speed,3-stage compressor.They could fly circles around the early 1-speed to two speed with one-stage compressors and turbochargers!!!
The turbocharger needs to catch up to the gas turbine in tech and it looks like the new rules in P1 and F1(and GREEN LAWS) is going to force the auto/turbo manufactures to do that!
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