Quoting ThePRGuy (Reply 4):
*Is it possible for any ball-park quantities of the amount of drag/lift that an aeroplane experiences?* |

Well, specifics will vary considerably, but for an airliner, you'll typically be looking somewhere in the low thousands-of-pounds range for cruise drag.

Consider that at cruise, a turbofan engine will be producing somewhere around 10-20% of sea-level thrust (I'll use 15%). And the engines will not be at max thrust (I'll use 75% thrust, but I don't actually know how accurate that is as N1 is not a reflection of actual thrust percentage).

So, for, say, a 737:

SLST =~ 22,000 lbs./engine

Thrust at cruise =~ 2,475 lbs./engine

So, total thrust = drag =~ 5,000 lbs.

That's just a very rough estimation, though. Just thought I'd give you an order-of-magnitude.

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