Got a couple of questions about the performance of the 737-300 in order to plug them into FS2004 and get a more realistic experience. This is for a typical WN jet.
What is the idle N1 of the CFM56-3B2? (that's the 20,000lb engine, right?). I assumed 25%, but I'm not sure.
What is the average N1 speed at cruise at M0.74 at say...32,000ft and between -20C and -30C outside temp? Assume the aircraft weighs about 120,000lbs gross weight.
Note that if this is too hard to calculate, feel free to draw upon your own experience.
What is the average fuel flow at idle and at the above cruise conditions?