*That "0 incidence wing"

Story time........On a long final glide with another LS-6, we were
dead even, 35 miles out, best L/D, no wind, no sink. My wingman said,
"watch this" and slowley but surely, he started gaining on me. When he
reached 20 feet above me, I asked, "OK what did you do?"
He replied, "I pulled in one notch of flap" (+5)
Why did that work? Because my ship with zero flap and slow speed, the
fuselage was slightly nose up, but the air hitting the ship with +5
flaps was straight into the relative wind.
I regret the day I sold the old girl,
JJ