Berliner Joyce (oz5105)

 

Berliner Joyce (oz5105) by Donald Evans from Modern Mechanix 1935 - plan thumbnail

About this Plan

Berliner Joyce. Free flight scale model biplane.

Quote: "Tiny Gasoline Motor Powers This FLYING MODEL PLANE. The amazing performance of this gas-powered midget pursuit ship appeals to model builders and light plane fans. Build and fly this excellent ship. Berliner Joyce, by Donald Evans.

THIS model gas plane will appeal to all model builders and the aviation enthusiasts who have been grounded by Department of Commerce regulations against light planes. You can have nearly as much fun, learn as much about airplane feel and balance, from making this highly successful flying gas model as you can from building and flying a light plane.

The performance of the little ship is amazing. It will fly 15 minutes on one tankful of gas It Lands at a flat angle, and can be pre-set to slowly circle the field on which it is flown. After many tests, it was fitted with a miniature 16 mm camera, and it took off with this 2 lb load, taking a complete record of a model airplane in flight. Projected on the screen, the shots gave a gnat's-eye view of what a landing looks like from the cockpit of a model plane!

It has outflown, outclimbed and outperformed many touted designs. It is powered with a 1/2 hp 2-cycle air cooled single cylinder gasoline engine. The particular motor used in this model weighs 6-1/2 oz, and has a 7/8-inch bore and 1-inch stroke.

To prevent the model from flying out of sight it has been fitted with a little timer made from three old clock wheels. This starts functioning when the plane takes off, and shuts off the ignition after a few minutes run. Then the plane comes down in a gentle glide. After the first tests no crackups were experienced. The plane presented here is a tried model and will give excellent satisfaction.

In general this model differs only in size and certain minor details from the ordinary model airplane with which all builders are familiar. This being the case it is unnecessary to dwell upon the actual construction excepting in such instances as may seem to require explicit instruction.

The fuselage which is built first presents no unusual difficulty. It should he made from 1/4 x 1/4 hard balsa with the same size wood for all struts and diagonals from front bulk-head to back of the cockpit...."

Hi Steve - Here is Donald Evans' Berliner Joyce, the old timer of the month, from MB magazine issue 02-77. Originally published in Modern Mechanix & Inventions, Aug 1935. Note the plan shows wingspan at 66in but with a note that adding an extra bay would make 72in.

Direct submission to Outerzone.

Update 07/02/2019: Added article scan (incomplete) thanks to Patzpaint, see RCGroups thread at https://www.rcgroups.com/forums/showthread.php?2372991-CAP-2017-Phantom-Berliner-Joyce.

Supplementary file notes

Article.

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Berliner Joyce (oz5105) by Donald Evans from Modern Mechanix 1935 - model pic

Datafile:
  • (oz5105)
    Berliner Joyce
    by Donald Evans
    from Modern Mechanix
    August 1935 
    66in span
    Scale IC F/F Biplane
    all formers complete :)
    got article :)
  • Submitted: 03/12/2013
    Filesize: 1519KB
    Format: • PDFbitmap
    Credit*: theshadow

ScaleType:
  • Berliner-Joyce_XF3J | help
    see Wikipedia | search Outerzone


    ScaleType: This (oz5105) is a scale plan. Where possible we link scale plans to Wikipedia, using a text string called ScaleType.

    If we got this right, you now have a couple of direct links (above) to 1. see the Wikipedia page, and 2. search Oz for more plans of this type. If we didn't, then see below.


    Notes:
    ScaleType is formed from the last part of the Wikipedia page address, which here is https://en.wikipedia.org/wiki/Berliner-Joyce_XF3J
    Wikipedia page addresses may well change over time.
    For more obscure types, there currently will be no Wiki page found. We tag these cases as ScaleType = NotFound. These will change over time.
    Corrections? Use the correction form to tell us the new/better ScaleType link we should be using. Thanks.

Berliner Joyce (oz5105) by Donald Evans from Modern Mechanix 1935 - pic 003.jpg
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* Credit field

The Credit field in the Outerzone database is designed to recognise and credit the hard work done in scanning and digitally cleaning these vintage and old timer model aircraft plans to get them into a usable format. Currently, it is also used to credit people simply for uploading the plan to a forum on the internet. Which is not quite the same thing. This will change soon. Probably.

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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