Juma 102 (oz12124)

 

Juma 102 (oz12124) by Juan Jose Maluquer Whal 1943 - plan thumbnail

About this Plan

Juma 102. Free flight glider model. Wingspan 700 mm.

Quote (translated from the Spanish): "The model airplane called JUMA-102 has been designed in order to facilitate through a simple and robust construction, the possibility that even the boys without any aeromodelling experience can build and fly a model airplane, thus acquiring the necessary experience for further on, build more complicated models. In other words, this is a model for beginners.

The low wing loading of 10 grams per square decimetre of the JUMA-102 allows it to be flown on a suitable field even in calm weather. To achieve excellent flight stability the wing has been designed with a good dihedral angle and slightly deflected using a profile suitable to the speed of the model. The use of a single type of 2 x 5 mm batten and wicker, facilitates the construction. On the other hand, the fact that the wing is in one piece and held to the fuselage by rubber bands, increases the strength of the model, obtaining also enough elasticity so that in case of a hard landing the wing jumps without breaking. Also, the profile type fuselage, makes it very easy to build and extremely strong."

Translated by Eduardo Barriga from Colombia.

Direct submission to Outerzone.

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Juma 102 (oz12124) by Juan Jose Maluquer Whal 1943 - model pic

Datafile:
  • (oz12124)
    Juma 102
    by Juan Jose Maluquer Whal
    from Juma
    1943 
    27in span
    Glider F/F Kit
    clean :)
    formers unchecked
  • Submitted: 17/04/2020
    Filesize: 728KB
    Format: • PDFbitmap
    Credit*: redbaronbpe
    Downloads: 529

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User comments

The Spanish translation here is just from me running this through Google Translate. If anyone can improve it / submit a clearer version, that's great.
SteveWMD - 25/04/2020
Hello Steve, you mean translation of those instructions into English? Also plan captions?
I can do it but give me a little time. Internet translators are never precise. They can't be mostly due to cultural differences between countries where a particular language is used.
Best wishes
Eduardo - 25/04/2020
Hi Eduardo. Just the introduction really - I think that is the most useful part, so that people can read the description of the model and the thinking behind the design.
SteveWMD - 25/04/2020
Fixed the translation now, thanks to Eduardo.
SteveWMD - 27/04/2020
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Notes

* 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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