They provide a brisk roll rate and good control.
#Circuit racer plane full
The ailerons are full span and slightly tapered towards the tip. There are no provisions for trim, other than adding or subtracting washers under the horizontal stabilizer attach points, so airplanes will generally be dialed in for a particular pilot weight. The tail surfaces are conventional steel tube and fabric, unbalanced with the fin extending over the rudder. The outlet is above the wing at the root. Oil cooler air comes from a scoop on the right side that is sculpted to provide better flow at slow speeds/high angles of attack. Cassutt Aircraft is currently working on a carbon fiber tapered wing that will also hold fuel and should make for an interesting airplane when finished. Modern racers have developed longer, tapered wings to replace the all-wood constant-chord model originally designed by Cassutt, but it is a safe bet that more Cassutts are flying with the Hershey bar than not it is inexpensive and easy to build. The single-piece wooden wing bolts onto the top of the fuselage structure, the spar being continuous from tip to tip. The welded fuselage frame is covered in fabric, just as in the old days-but there are modern parts, such as fiberglass side panels (underneath the wing) and a glass cowl that flows around the engine. Getting pilots into the air faster is one of King’s goals. Cassutt Aircraft is committed to making the building of a Cassutt simpler, and taking care of parts that require years of skills development to make. Today there are options for pre-welded parts, and there are fiberglass (and even carbon) parts that greatly simplify the cowling and transitions. Pitch trim is accomplished by adding or subtracting washers on the stabilizer attach points. King’s aircraft has a slightly taller vertical fin than called for in the plans for added stability. Finally, the entire plane needed dope and fabric-classic construction for a classic airplane. When you finished welding up the fuselage, it was time to dust off the woodworking skills and start on the Hershey-bar wing, cutting all of the little bits for ribs, gluing and tacking them together, and then covering the whole thing with plywood. If you wanted to build one from plans, the first thing you had to do was enroll in a welding class at a nearby vo-tech school or junior college. The Cassutt was designed in a day when wood, steel tubes, and fabric still ruled the homebuilding world. We recently caught up with King at his airport facility south of the Great Salt Lake, and took advantage of the chance to fly his aircraft, look at his facility, and talk about his plans for the future.
#Circuit racer plane license
The license and rights to sell plans for the Cassutt were recently purchased by Creighton King of Salt Lake City, Utah, and he hopes to continue to provide builder support, parts, and plans to keep this enduring design going for those who still have that desire to go fast and do it on a budget. The firewall-forward design is simple and uses individual plenums for cylinder-head cooling. Fixed-gear only please, and pilots must weigh at least 160 pounds ready for flight. The small airframe must weigh no more than 500 pounds empty (no fuel, oil, or pilot), have a fixed-pitch propeller, and a wing area of at least 66 square feet. The rules specify a small, C-series or O-200 engine from Continental Motors that is relatively inexpensive and found in large numbers. The Formula 1 rules were created to allow normal people-those without an unlimited bank account-to compete in pylon racing. These fast, maneuverable airplanes had many different names, but were referred to generally as “Formula 1 racers” because they looked a lot like the airplanes used for pylon racing that conformed to the International Formula 1 Rule book. And if you go back a few decades, many of those U-control airplanes looked like little single-seat racing planes-complete with a plastic bust of an aviator sitting under the bubble cockpit.
U-control or R/C, many aviators got their start well before they could afford airplanes of a size that could actually take them aloft. If you asked for a show of hands at a homebuilder gathering, a majority would probably be waving their arms to indicate that they had built and flown model airplanes in their youth.
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