Aeronca L (oz1301)

 

Aeronca L (oz1301) by Paul Lindberg from Popular Aviation 1936 - plan thumbnail

About this Plan

Aeronca L Monoplane. Scale rubber powered low-wing model. Scale is 1/16.

Quote: "Building the New Aeronca, by Paul W Lindberg, Model Editor and Model Designer for Popular AViation.

THIS low-wing monoplane is an excellent fiver, and is also a complete change from the old type Aeronca. The model is very simple to construct because of its clean lines. It is equipped with shock absorbing landing gear together with movable controls which carry altunimim hinges.

COLOR SCHEME: Entire ship is Loening yellow; Trim in black.

CONSTRUCTION OF FUSELAGE: It is necessary to place a sheet of ordinary wax paper over the plan to prevent cement from sticking to the plan. In building the fuselage, construct one side at a time, The longerons, vertical and diagonal braces, etc, are held in place until securely cemented, by inserting straight pins on either side of strips.

After the two fuselage sides are completed, they are pinned to top view of the plan, in such a manner that the top longerons face down and the sides are at right angles with the table. The cross-members are now cemented in place, forming a rectangular fuselage. Cut formers from 1/32- inch sheet balsa and cement in their respective positions as shown on plan. Balsa nose plate is built up from 1/4-inch sheet balsa.

CONSTRUCTION OF MOTOR: The cylinders are carved and sanded from balsa blocks. When 5 cylinders have been formed, wind heavy thread around them to represent fins. Make crankcase from two pieces of balsa. Rocker arm housings, push rods and other small details of motor are made of balsa.

CONSTRUCTION OF WING: Cut all ribs front 1/16-inch balsa. Pin the spar in position on the plan. Now, cement ribs in their proper locations. The leading and trailing edges are cut and sanded to shape and cemented to the ribs. The panels carry movable ailerons which are a great help in controlling the flights. Make wing tips from 1/16-inch thick balsa. We highly approve of this type of wing tip, because it is much easier to construct and neater in appearance.

CONSTRUCTION OF ELEVATOR AND RUDDER: These are built from 1/16-inch square and flat balsa, and are constructed on the plan. Their construction is very simple, therefore, no difficulty should be encountered here.

CONSTRUCTION OF LANDING GEAR: The construction of landing gear is clearly shown on plan.

COVERING THE MODEL: Apply tissue to the various framework members, using a light grade model air-plane dope to fasten it to the outer edges. Stretch tissue as tightly as possible to remove all wrinkles. When edges have dried, apply coat of water to tissue. When all water has dried completely, tissue will become taut. May we suggest that you pin wings, elevator and such to flat surface. This prevents warping.

ASSEMBLY: After the wing panels have been ce-mented to fuselage, make fillets from paper and rdi in open spaces between fuse-lage and wing panels at trailing edges. Other small details are clearly shown on plan,

TESTING AND FLYING: Two types of propellers are used on this model. One, which has a wide blade, is made of fiber, This type of blade causes the motor to turn at less rpm and greater flights result. By twisting the blacks, the pitch can easily be adjusted. The balsa scale propeller is used for exhibition purposes only. Six strands of 1/8 flat rubber are sufficient to fly the model.

With the rubber motor and flying propeller in place, gently launch your model over tall grass. By this method, you can see if your model is properly balanced."

Update 12/09/2013: Replaced this plan with a cleaner version, thanks to JJ.

Supplementary file notes

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Aeronca L (oz1301) by Paul Lindberg from Popular Aviation 1936 - model pic

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Scaling

This model plan (like all plans on Outerzone) is supposedly scaled correctly and supposedly will print out nicely at the right size. But that doesn't always happen. If you are about to start building a model plane using this free plan, you are strongly advised to check the scaling very, very carefully before cutting any balsa wood.

 

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