It is efficiency of the propelling device in converting the applied torque into useful thrust. In an IDEAL propeller the freestream velocity and the slipstream velocity should be same. The higher the...
The largest land vehicle capable of moving on land under its own power is the RB293 bucket wheel excavator, manufactured by TAKRAF GmbH of Leipzig, Germany and currently "working" in an open-cast...
U can count the miles u do compared to a particular amount of gas u use. U should try this with rev gas- and then with super,. Mid can be the same as reg at some places.