About this Plan
Top Flite Tauri. Radio control trainer model.
Quote: "HERE'S A MODEL with a purpose. First and foremost it has been specifically designed as a trainer for multi-channel radio control. Through the kit issued by Top Flite in the USA, it has already become world famous.
We learned of it first when designer (and then World Champion) Ed Kazmirski visited our offices during his demonstration trip to S. Rhodesia. Ed's design philosophy appealed to us in its purposeful approach, and earnest effort to salvage some of the 'sudden death' novice attempts to learn how to fly multi-control with contest designs. Tauri is small and therefore costs less to build than larger multi designs. It employs a relatively small engine (of 3.5 cc) and is therefore slower, yet no less efficient by virtue of the thick, semi-symetrical wing section. Above all, it is an easy model model both to build and fly. It is also a fully acrobatic aeroplane, though initially intended for six channel radio installations - rudder, elevator and engine.
For a first try at the multi game, this is about as much as one can handle. Installation capacity allows for all equipment ranging from the Super-Regen relay Rx to the latest relayless Superhets and a typical control system is shown on the plan. Since weight is a most important factor in a load carrying radio model, choose balsa carefully, assessing the density of the wood according to its purpose.
Construction notes on the plan explain the warp resistant self-jigging wing structure and fuselage assembly, but the builder can profit from extra tips on individual items. Since control depends upon them, the surface hinges should be free and allow 60 deg. motion in either direction. Use the herringbone stitch so well proved in control-line circles.
The engine will have a lot of work to do and will be running for long periods. Mount firmly with brass bolts (which shear in a crash) and don't forget the locknuts. Bearers must be liberally proofed against fuel seepage. Align the fuel tank with the needle valve body and keep fuel tube short. Use a fuel filter and make sure the weighted end of the syphon pipe has free movement in the tank.
On the radio equipment, be sure to make a neat wiring job. Skin off only enough sleeving to make the solder connection and insulate every joint with Systoflex or fuel tube. That demon vibration can affect reeds in a receiver..."
Quote: "Discontinued Top Flite kit No. RC-4. A shoulder wing design of trainer / sport radio control model. 57" wingspan, .19 to .45 engines, 3 - 4 channel, 4 lbs. Aileron conversion shown on plans. Designed by Ed Kazmirski, 1962 R/C World Champion, a legendary American modeler. He also designed as both of R/C models, Orion (oz927) and Taurus (oz612)."
Direct submission to Outerzone.
Update 12/03/2018: added article, thanks to RFJ.
Supplementary file notes
Additional plan page, showing optional aileron installation.
Article (from Aeromodeller).
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User commentsAttached is a photo of my father, Sandy Coutts, and a Tauri he built in the early '60s [more pics 005]. My father came out from Scotland to Rhodesia in the early '50s and was one of the pioneers of RC which was very much in its infancy at that time. Free flight dominated and most RC planes were 1st generation free flight fitted with RC interference. The other photograph was taken of him manning the model stand at an exhibition somewhere in either Salisbury or Umtali [more pics 006]. Now in his 80s and living in Cape Town, I recall him building and flying up until 1964 when he was shot in a domestic dispute (he was a policeman in the British South African Police) and gave up modeling for sailing. He received the Police Colonial Medal for Gallantry from Queen Elizabeth at Buckingham Palace in 1965 for his involvement in the domestic dispute.Thankfully he passed his genes on to me and taught me how to build and fly for which I am extremely grateful.
AndyCoutts - 14/10/2016
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