Governed/ungoverned engine dyno testing |
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Gabriel Guerreiro
Double Secret Probation Joined: Jan/11/2017 Location: Brazil,Brasília Status: Offline Points: 3 |
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Posted: Nov/10/2018 at 12:42pm |
Hello there, I was reading the 'Engine testing: theory and practice' and it says that when you use a dyno on position and torque mode (throttle opening is fixed and the resistive torque of dyno sets the speed) it's needed to leave the engine ungoverned: "Position and torque mode (governed engines) Governed engines have a built-in torque–speed characteristic, usually
slightly ‘drooping’ (speed falling as torque increases). They are therefore
not suited for coupling to a dynamometer in speed mode." Anyone here have any idea if this applies to our engine and why it happens?
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