Originally Posted by
DaveReidUK
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 ?
Sorry, typo. I fixed it. I have two references in the blog. Flaps up Gear up clean is 15:1. Flaps up or down, gear down is 6:1.