Flying Midget (oz3896)


Flying Midget (oz3896) by Thracy Petrides from Model Builder 1983 - plan thumbnail

About this Plan

Flying Midget. Free flight gas model.

Here is Thracy Petrides' 1937 Flying Midget, redrawn by Al Patterson for MB issue 08-83. 49in wingspan, 300 sqin area, for Brown Jr power. Originally from MAN Aug 1937.

Quote: "Old Timer Model of the Month: Flying Midget. Designed by Thracy Petrides. Drawn by Al Patterson. Text by Bill Northrop.

Well, they did it again! The subject this month was published in the August 1937 issue of MAN, and credited to Thracy Petrides and Malcolm Abzug. We don't know which one was the perpetrator. The drawing was by Abzug, but the lines of the model, particularly the wing, look like Petrides' work.

What did they perpetrate? It's the old 'change the name of the model' trick! Title of the article is The Flying Midget Gas Model, and the writer of the article refers to the model in the text - well, most of the text, as the Flying Midget (three times in the second introductory paragraph, once under Wing construction, and once under Tail Assembly. But then, under Prop and Miscellaneous, all of a sudden the text says: The prop for the Cloud-Kisser is carved from... etc. And four sentences later, in the same paragraph, it's back to Flying Midget. Finally, the last one-sentence paragraph says: We think this new idea of making gas jobs a reasonable size is the greatest (or should we say smallest) thing that has hit gas-jobbing thus far, and after your first Cloud-Kisser, so will you!

Anyway, the 49-inch span model was truly a midget for its time, as it was designed to be powered by a Brown Jr. In modern times, it is not unusual for a 300 sq in area model to handle the power of a .19 to .35, which is about the power range of a Brown Jr. But for 1937, when Brown-powered models averaged six to seven-foot span and two to three times the wing area of the Flying Midget, it was quite a departure from the norm. It must have had a very hasty climb and glide! The long tail moment was a great help in handling the power.

Unfortunately with today's rule limiting displacement to .10 per 225 sq in, the max size is a nothing .13. By adding 37-1/2 squares, you can use a .15. Otherwise, you'll have to settle for a .10. Seems to be a fallacy in the rules here.

Nothing tricky about the construction. It was suggested that the stab be built and covered prior to being inserted in the fuselage. Top of the fin/rudder is built next, then the spar is inserted through the fuselage from the top, glued in place, and then the sub-fin parts added.

Balance point is not shown or men-tioned in the text, but considering the symmetrical stab, it would probably be safe to try the first test-glides with the model balanced at 50 percent of the chord - that's with the leading edge of the wing even with the second fuselage station."

Direct submission to Outerzone.

Supplementary file notes

Planfile includes article.


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Flying Midget (oz3896) by Thracy Petrides from Model Builder 1983 - model pic

  • (oz3896)
    Flying Midget
    by Thracy Petrides
    from Model Builder
    August 1983 
    49in span
    IC F/F
    clean :)
    all formers complete :)
    got article :)
  • Submitted: 13/01/2013
    Filesize: 653KB
    Format: • PDFbitmap
    Credit*: theshadow

Flying Midget (oz3896) by Thracy Petrides from Model Builder 1983 - pic 003.jpg

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User comments

Added pics of his nicely completed model Flying Midget, thanks to cd_webb
SteveWMD - 23/07/2013
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