Pogo Stick (oz9921)


Pogo Stick (oz9921) by Bob Dunham 1951 - plan thumbnail

About this Plan

Pogo Stick. Rubber competition model.

Quote: "POGO STICK Refined over years of competition, variations of this stick job have placed well up at three nationals. One holds the D record for ROW.

The stick model presented here is the result of many modifications, and its original configuration dates back to 1947. The first Pogo Stick model of this series had approximately 200 square inches of wing area and was a smaller plane in every respect to the one presented herein. During the next three years, areas, moment arms, props, and motors were varied, and many fine flights were made.

At the 1948 and 1949 National Meets, modified versions placed in fourth and seventh positions. At meets throughout the Southwest the design always placed or won, with numerous planes being lost in the process.

In preparation for the 1950 contest season it was decided to build an enlarged 230 square inch job and the results were indeed promising. It is this plane whose plans are presented. At the 1950 Nationals the author was fortunate enough to place second in the Rubber Powered Stick Event by amassing a three flight total of 16:01.

After the Nationals, at a record trails meet in Tulsa, a 187 square inch Pogo was equipped with floats for an attempt on the class D stick rubber-powered R.O.W. category. The weather was excellent and on the last flight the plane was lost out of sight for a ten minute flight. With the help of two other fine flights a new national record of 14:31 was established.

The relatively long fuselage moment arm allows a long motor to be used without having an excessive amount of slack. The author has observed at recent past Nationals that the trend is more and more toward unbraided motors. They are troublesome to make, expensive, and heavy. Our opinion is that the good points for braiding do not outweigh the bad ones.

With the aid of the dimensions given on the plans, and since constant chord wing and elevator are utilized, enlarging to full size will not prove to be the task one might think.

Fuselage. In selecting the 1/8 sq balsa for the fuselage, it is desirable to have the four main longerons cut from the same piece. This will assure even bending when drawing the front and rear together. Two of the sides are constructed, one on top of the other, to insure that they are identical. Allow to dry thoroughly and separate the two sides where they might have stuck together. Now cut several crosspieces to fit at the widest fuselage point, and join the sides together, checking to be sure that squareness is maintained. Pull the sides together at front and back and insert cross pieces..."

Pogo Stick, MAN, July 1951

Direct submission to Outerzone.

Supplementary file notes

Article pages, thanks to RFJ.


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Pogo Stick (oz9921) by Bob Dunham 1951 - model pic

  • (oz9921)
    Pogo Stick
    by Bob Dunham
    from Model Airplane News
    July 1951 
    49in span
    Rubber F/F
    clean :)
    all formers complete :)
    got article :)
  • Submitted: 07/03/2018
    Filesize: 618KB
    Format: • PDFbitmap
    Credit*: Circlip, RFJ
    Downloads: 428

Pogo Stick (oz9921) by Bob Dunham 1951 - pic 003.jpg
Pogo Stick (oz9921) by Bob Dunham 1951 - pic 004.jpg

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