Rubber Powered Pursuit (oz4803)

About this Plan

Rubber Powered Pursuit. Free flight rubber sport model. A 1938 rubber plan. Interesting construction uses a rolled conical paper tube to form the fuselage body and to hold the rubbber motor. Full size plan as originally printed, over 2 pages.

Quote: "A Rubber-Powered Pursuit, by Paul W Lindberg, Model Editor and Designer.

DUE to the many requests for a rubber-powered model, we have designed a snappy little pursuit that can be built up in a very short time. Its construction is so simple that the most inexperienced builder will have very little difficulty in constructing it. This model was primarily designed so that you might build it during your vacation and so that you will have many enjoyable hours flying it this summer. As you will note on the plans, a rubber motor is cleverly concealed within a paper tube which will withstand the severest strain. The plans are full-sized so that you might work directly from them. Use ordinary waxed paper over the plans to prevent parts from sticking io them while being worked on.

Construction of Fuselage: The tubular part of fuselage is made of ordinary drawing paper such as used in drafting courses. The paper should be an oblong piece rolled into a tube as shown on the detail of plan. After the proper shape is obtained, slip rubber bands at three different points along the tube. Apply cement along the spiral seam and let dry. Next trim off either end so as to fit in the nose and tail blocks.

From a 3/16 thick piece of soft balsa, cut the lower part of profile fuselage. This is attached to the tubular piece with the addition of small braces on either side.

Construction of Landing Gear: From .032 piano wire, bend one left and one right landing gear. As you will note, each side is made from one continuous piece, being bound at the bottom with thread. Holes in the fuselage may be either drilled or burned through. With a needle and thread, hind the landing gear struts securely to fuselage. After this has been accomplished, a liberal amount of cement is applied over the thread and landing gear wire. The tail skid is an ordinary piece of piano wire inserted into the rear of fuselage.

Construction of Wing: The ribs are cut from 1/16 thick (or less) balsa. Next cut and sand the leading and trailing edges to their proper shape. The leading edge and spar are tapered, so a little added work is required in order that they may be held to a true curve. The wing tip is made from 1/16 sheet balsa braces with two 1/16 square diagonal braces, as shown on top view of right wing panel. Please note that ribs 'A' in either wing panel are cemented on an angle so that the dihedral is automaticallly built in. Front and rear wing supports are attached to wing after it has first been covered with tissue..."

Direct submission to Outerzone.

Update 30/07/2014: Replaced this plan with a clearer copy on a single sheet, thanks to Planeman.

Quote: "Hello again Steve, Here is another old plan from your website that was compressed such that it would be a mess to build from. It's the Rubber Powered Pursuit by Paul Lindberg from Popular Aviation (1938). The plan is buildable now. I may even tackle it for my four year old grandson. Get him started early,"

Supplementary file notes

Original scan of magazine pages, as printed 1938.

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