Junkers 52 (oz7957)

 

Junkers 52 (oz7957) by Jim Pyner from RCMplans 1972 - plan thumbnail

About this Plan

Junkers 52. Radio control scale tri-motor model.

Quote: "I first decided on the JU.52 as a modelling subject when, one evening, browsing through some old magazines in a friends house, I came across Ken McDonough's drawings in an old issue of Model Aircraft. It had enough bits on it to make it interesting as a Model, and its ugliness lent it a bit of character.

There would be complications, I felt, with aileron and elevator hinging, corrugations, and I thought, the CG. But as I looked at the aeroplane it became obvious that the basic construction should be quite simple.

The prophets of gloom had a field day discussing the aforementioned complications, but I am a firm believer in getting started. This way, by the time you reach the sticky bits one has so much time and effort involved that one has to find a way around the problems. My worries; however, were unfounded since building the Junker was a piece of cake, almost like a Super 60 (oz552) (Ed's. Note: The Super 60 has been a popular high wing R/C Trainer in Great Britain for many years). The finish, ie corrugations and markings were not difficult, but it was a time consuming business.

Now to work: I decided on a scale of 1in = 1ft, giving a wingspan of just under 8 feet. This being a simple enlargement of six times that of the drawings to hand. Power would be a Merco .61 in the nose, and the motors in the nacelles would be simple Cox .049s, with T.R. tanks which would make a nice off beat noise. This way if either wing engine quit I would not get any of the problems associated, with these conditions. Wing engines could be larger, there being scale offsets to the nacelles, but the simple approach, I feel is sometimes best.

Aileron and flap hinges could have given me some headaches on a built-up wing and I pondered on foam wing panels. The sudden overnight rise in the price of balsa sheet and the amount of the stuff I should have to use decided this one for me. Paul Smith of Wanstead had just acquired an amount of Foam Block and offered me the facilities of his front-room workshop. While my better half was doing her thing in the Bingo Hall one Saturday evening, Paul and I cut both panels in one hour..."

Supplementary file notes

Article pages, text and pics, (in two parts) thanks to hlsat, JHatton.

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Junkers 52 (oz7957) by Jim Pyner from RCMplans 1972 - model pic

Datafile:

ScaleType:
  • Junkers_Ju_52 | help
    see Wikipedia | search Outerzone


    ScaleType: This (oz7957) 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/Junkers_Ju_52
    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.

Junkers 52 (oz7957) by Jim Pyner from RCMplans 1972 - pic 003.jpg
003.jpg

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  • Plan File Filesize: 868KB Filename: Junkers_52_RCM-479_oz7957.pdf
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  • Supplement Filesize: 1982KB Filename: Junkers_52_RCM-479_oz7957_article_2.pdf
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Notes

* Credit field

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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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