Pronto (oz8748)

 

Pronto - plan thumbnail image

About this Plan

Pronto - Radio control trainer, wingspan 54in. A basic training model, designed with simplicity of building and flying as the foremost criterion. For .19 to .25 size engines.

Quote: "For the purpose of discussing building, radio installations, control surfaces and flying a model we shall be using the 'Pronto' model as a basis. There are other designs equally as suitable for the job, but this was chosen in the interests of positive consistency of building and flying instructions, and the fact that it is simple to build and fly. There is sufficient information presented here to draw your own plans and to construct the Pronto alternatively you can purchase the full size plan or a comprehensive kit.

We discussed in Chapter 3 the different types of radio control but, in deference to the majority, we shall only consider in detail the installation and flying with two to four function proportional equipment... the design aim of the 'Pronto' was to produce a simply constructed model, with good stability and flight characteristics, suitable for the complete novice to have a reasonable chance of success. Construction, although simple, must also produce a model of sufficient strength to stand up to most of the knocks that it is bound to get in the hands of the learner.

Before commencing construction, thoroughly familiarize yourself with the drawings, instructions and photographs and ensure that all stages of construction are fully understood..."

Hi Steve, I have been working on a nice little plan that was published in Dave Boddington's book "Radio Control Primer". I drew the plan up many years ago on drafting paper and built one, which incidentally is now 42 year old and still flying [model photo & more pics 003]. I have recently replaced the i.c. with an electric motor, and still flies just as well. I have now redrawn the plan on CAD and wondered if you would like to see the copy attached. I am thinking of issuing the plan again showing the electric motor version. Kind regards, Alan

Direct submission to Outerzone.

Note: This plan is now available in three formats, CAD (dwg), PDFvector and PDFbitmap. This one actually came in backwards - starting with AlanDavis who very kindly sent us in his CAD and vector drawings. Then in response to our request on RCGroups for a scan of the original design as first published, tshin_ho posted up a bitmap scan (from the book: Radio Control Primer of 1974) which in turn rchopper56 then kindly cleaned and scaled.

This plan appeared in the David Boddington book 'Radio Control Primer', printed 1974. This scan of the plan is from that book.

Supplementary file notes

PDFvector version of the plan.

CAD file

This plan is available for download in CAD format.

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Pronto - completed model photo

Datafile:

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Download File(s):
  • Pronto (oz8748)
  • Plan File Filesize: 191KB Filename: Pronto_54in_RC_oz8748.pdf
  • Supplement Filesize: 98KB Filename: Pronto_54in_RC_oz8748_vector.pdf
  • CAD Zip Filesize: 125KB Filename: Pronto_54in_RC_oz8748_cad.zip
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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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