Originally Posted by
lemme
The glide ratio (flaps up gear up) is 1 nm per 1,000 feet.
Are you sure about that ?
That's about 6:1. The conventional wisdom is that a typical two-engined narrow-body (A320, say) can achieve about 17:1 clean.
Clearly a short, stubby, high-winged, 4-engined aircraft won't do as well, but is the difference really almost 3 times worse ?