Super Sicroly II. Radio control pattern plane for .60 power.
Quote: "THE World Championship model Super Sicroly II was specially designed for the FAI aerobatic schedule. After doing well in the 1971 World Championships in the USA (4th place), I made a few changes to the original model and have been able to improve its performance. The resulting Super Sicroly II incorporates all I have learned about acrobatic RIC model aircraft and, looking back at the contest results, it could be said that it is the ideal model for the FAI schedule. A speciality of this model is its performance in the roll (slow roll, rolling circle and quick roll), and the knife edge on either side. In knife edge flight the power of the motor is an important factor. Therefore, the model is designed for a powerful motor, although the model will still fly well with a less powerful motor. The landing characteristics of this model are really fantastic. With up elevator, it can land as lightly as a glider. There is no need to worry that the Super Sicroly II will stall without warning, it may drop its nose, or at the worst veer slightly to one side or the other, but that's all.
In spite of its excellent and forgiving flight characteristics, I would not advise this model for the beginner. It is safer to learn to fly with a more appropriate model, but in the hands of an experienced contest flier, the Super Sicroly II is sure to unnerve the opposition. The schedule can be flown so precisely that even in a cross wind the effect of every gust can be controlled. If possible, always fit a retracting undercarriage. This was planned and fitted in the prototype Sicroly and only by using this can one take full advantage of the model's aerodynamic qualities. I will start with some building hints; I am assuming that the builder already has some experience, and like most modellers, has personal building techniques that he swears by.
The Super Sicroly II, as previously mentioned, is by no means a beginner's model but on the other hand the plan is so explicit that any modeller with some experience will find the construction no problem. It is important that all the correct angles and dimensions are accurately measured and not guessed. Attention to this produces a stronger and better model.
Fuselage. Care must be taken to ensure that the fuselage sides and fin are built squarely. Every modeller has his favourite motor, so the motor mounting can be modified to suit any power plant. The same applies to the fitting of the retract gear. I suggest that the canopy hatch is made removable and the tank held in place by foam rubber packing..."
Super Sicroly, RCM&E, August 1974.
Direct submission to Outerzone.
Update 13/03/2018: added additional article (Model Airplane News, May 1974), thanks to RFJ.
RCME article pages, thanks to RFJ.
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