Early seasons of the game show " Family Feud " used a split flap display as part of the game board ( subsequent seasons used more modern digital displays, and eventually simply used a large digital flat screen monitor ).
32.
Twenty-eight foot span top wing featured nearly full span slats measuring 10 ft ( 3 m ) per side, plus all-metal split flaps of 4 ft ( 1 m ), 3 in per side, positioned between root and ailerons.
33.
To maintain strength with reduced weight and to eliminate turbulence from gaps and protuberances the M?2 was built without airbrakes, relying on the use of the 70 degree trailing edge split flaps and the skill of the pilot in side-slipping for approach control.
34.
Other details of the upper surface are scarce but photographs appear to show rear hinged, single-piece slats over Vacua-cells as well as narrow open channels next to the fuselage in the very long wing root split flaps under the trailing edges of the wing roots.
35.
The second prototype, the Yak-30D, which joined the flight test programme early in 1949, had a 38 cm ( 15 in ) section inserted in the aft fuselage, revised mainwheel doors forming a large section of the fuselage skinning, Fowler-type flaps in place of split flaps, increased fuel and ammunition capacity, and changes to the oxygen system and radio equipment.
