Ryan S-C (oz790)

About this Plan

Ryan S-C. Scale model. From Paul Lindberg, in Sept 1938 Popular Aviation.

Update 2/8/2026: Added article, thanks to Pit.

Quote: "An Unusual Model: the Ryan S-C. By Paul Lindberg, Model Editor and Designer.

An altogether new gas model of the low wing type has been tested by our department. This beautiful model of the Ryan S-C can be flown either as a gas-powered or rubber-powered mode!. All low wing models are very tricky in launching and flying, so it will be necessary to take added precautions in flying your model so as not to damage it. By enlarging the plans four times the size shown in the magazine, a true replica of the model will be had.

Construction: Fuselage: The main longerons are of 1/8-inch strong balsa. Having placed a piece of waxed paper over the full-size of the plans, these pieces are laid directly on the side view of fuselage. Construct the two sides and when they have become thoroughly dry, cement in all cross members so as to form the rectangular body.

From 1 /16-inch sheet balsa, cut the formers and cement them in their proper positions. Position of all stringers is clearly shown in the plan under detail of sections of fuselage. It is a wise stunt to sight the stringers from front to rear to make sure they are in proper alignment. It is best to cement the firewall in position before attaching stringers.

The cabin hood is constructed of 1/16-inch iron rod and balsa. This is removable so that inspection of batteries and adjustment can easily be made. Hood is covered with a thin grade of celluloid of which there are full size templates on the plan. The cowl ring is built up from 1/8-inch thick sheet balsa. By simply carving off the surplus edges, the proper shape is automatically had. Cowl ring is held securely to firewall by eight pieces of 1/8-inch x 1/2-inch x 1-9/16- inch balsa supports. For position of these pieces, see the front view of the firewall. Bottom half of cowl is covered with thin cardboard from the rear of cowl ring to F-9. This thin piece of cardboard continues halfway around the fuselage and is fastened to the center stringer on either side. Cement securely in position. Upper part of cowl is made from thin aluminum..."

Supplementary file notes

Article.

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