Oini. Tailless free flight sportster by Ernie Schlachter. Free plan with Aeromodeller June 1973.
Quote: "A novel tailless free-flight sports model from Switzerland, designed for 0.3 - 0.5 cc engines. Oini, by Ernie Schlachter.
WANT A sports free-flight model with a difference? One that will turn the heads on the flying field? Make people say - that will never fly - and prove them wrong? Yes? Then Oini is for you! Different it is too, with its pusher-engine, tailless configuration, while the swept back wings are devoid of such stability aiding features of dihedral and washout. Workihg on the principle of 'what isn't there can't take long to build or cost very much', Oink was designed purely as a fun aircraft - one to take out and fly when other forms of flying are becoming a little too serious - fun is what this hobby is all about!
Although other engines may be fitted, the Pee Wee is particularly suitable as being a reed-induction motor, it may be run 'backwards' with a conventional propeller - using other engines of around 0.5 cc capacity you will probably need a pusher propeller.
Construction is not difficult, although it is perhaps out of the absolute beginner category. The wings must be built true and warp free, and be sure to use a PVA type of adhesive to prevent the 1/32 in sheeting from being distorted by shrinkage. Ribs are best made by the 'sandwich' method as shown. Cut out two templates from 1/8 in ply and bend up a U-shaped piece of 16 swg piano wire..."
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