Thrust for jet engines is correctly measured in kN. Under the old metric system it was measured in kgf. This is what is being used here. They do not yet know about the correct use of SI. but it is much better than lbf anyway. Someone might inform them.
Han ----- Original Message ----- From: <[EMAIL PROTECTED]> To: "U.S. Metric Association" <[EMAIL PROTECTED]> Sent: Sunday, 2003-11-30 0:36 Subject: [USMA:27698] The thrust of the argument > I was surprised to read in the most recent Technology Review from MIT that GE is developing a new, more powerful jet engine designed to generate "52,000 kilograms of thrust". > > Since the kilogram is the base unit of mass, what the heck is it doing here purportedly describing thrust? What is the correct way to express thrust? How is it properly defined, and how the heck do you measure it? > > Ezra > > >
