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Aircraft wing showing the KFm2 Step Aircraft wing showing the KFm3 Step. The Kline–Fogleman airfoil or KF airfoil is a simple airfoil design with single or multiple steps along the length of the wing. The purpose of the step, it is claimed, is to allow some of the displaced air to fall into a pocket behind the step and become part of the ...
The PA-16 Clipper is a stretched and refined version of the Vagabond intended to seat four people [1] (or "two-and-a-half to three" as often told by Clipper pilots). It is equipped with an extra wing tank, added doors to accommodate the new seating, and a Lycoming O-235, the same engine that would later power the Cessna 152.
For nose weighted walkalong glider designs, the wings should include a twist or washout to improve roll control close to stall speed. [9] Although many walkalong gliders are flying wing designs (as are almost all flying and gliding animals ) walkalong glider designs based on traditional fixed-wing aircraft (incorporating an empennage or tail ...
The Gee Bee Model R Super Sportster was a special-purpose racing aircraft made by Granville Brothers Aircraft of Springfield, Massachusetts at the now-abandoned Springfield Airport. [1] Gee Bee stands for Granville Brothers.
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Part of the design of the B&R rig involves inducing a "pre-bend" in the mast which provides some of the side-to-side and fore-and-aft stability of the rig. [2] [3] [4] The pre-bend is achieved by tensioning the reverse diagonals and certain other so called intermediate shrouds. Because the spreaders are swept back at approximately a 25° to 30 ...
The S-21 competes with the CubCrafters Carbon Cub EX and the American Legend Super Legend HP in the kit aircraft market. [ 4 ] The prototype, registered N215RD, first flew on 17 December 2017, it gained special light-sport aircraft approval in March 2018 with the Rotax 912 ULS , Rotax 912 iS , Lycoming YO-233 and Titan OX-340 engines.