Push Rod (oz2695)

 

Push Rod (oz2695) by Paul Palanek from Model Airplane News 1950 - plan thumbnail

About this Plan

Push Rod. Free flight power model with twin-boom pusher layout. Bantam power shown. From Model Airplane News Oct 1950.

Quote: "Push Rod was primarily designed as a sport and all-around flying model, with no intent on contest fame, unless the Clark Y airfoil the model now carries is replaced with an airfoil of more suitable contest qualities. The basic design has been used by the author for a number of years, but construction of Push Rod was abruptly curtailed at the request of the government. Upon returning to civilian life, what had been built of the model was found in a heap of balsa and dust. Starting from scratch was more than necessary.

Push Rod sports ample wing area (400 sq in of it), with a span of 55in. She may be powered with engines of .19 to .29 cu in displacement; the model shown in the photos sports an OK Bantam. The pusher design is easy on props, while the wide spacing of booms allows ample elbow room for starting the engine. The tricycle gear saves wear and tear on the booms as well as on props and adds a measure of class to the model. The ship has an unusually flat glide and is really an eye-catcher on the flying field.

But enough about Push Rod history - let's buckle down to building her. Each modeler has his own system of starting construction, but the author strongly suggests following the procedure outlined here. Study the plans carefully, paying particular atten-tion to the landing gear installation and the method employed in fastening booms to wing center section. The entire ship is built of medium-hard quality balsa.

Completely familiarize yourself with the drawing, and after having enlarged the necessary portions to full size, start construction of the booms. The sides are 1/8in sheet balsa, with 1/4in sq spacers tapered to 3/32in at the tail end. Cement well to form a box-type section. The booms should be left longer than needed, and trimmed prior to assembly..."

Update 14/01/2018: added article, thanks to RFJ.

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Push Rod (oz2695) by Paul Palanek from Model Airplane News 1950 - model pic

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Scaling

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