Pronto (oz9710)

 

Pronto (oz9710) by Robert Lopshire 1962 - plan thumbnail

About this Plan

Pronto. Radio control aerobatic model.

Quote: "Say that this big meet is coming up and you have nothing to fly and probably won't because R/C ships take so darned long to build? Well now! Don't panic! Sit down, relax and run your eyes around the plans of the Pronto, also take a good look at the cover photo to see the Pronto in all its present glory! At first glance, complicated, but look a little closer. Here is a plane that can be built in a maximum of one week, working two and a half hours a night! Whether or not you win that next meet will be up to.you, but you will be back in the flying business rather quickly.

Last winter as co-editor of the Central Mersey Radio Control Club's 'Feedback,' I printed a challenge to the membership to design a plane that could be many things:
1. Simple to build with no odd sized lumber to find or glue together.
2. Something that could be finished in a maximum of two weeks of short evenings (no 24 hours a day for two weeks either!) .
3. A plane that could carry any kind of gear but not necessarily be a 'Bull Moose'.
4. A reliable, easy to trim design that could he made quickly when all the more exotic ships were wiped out.

Three days after the paper came out, I decided that if I was going to dare people to do something I should be able to do it myself so I started my own version of an easy to build plane. With the plans completed, I started construction and to see exactly how long it would take to build the ship I timed myself from start to finish. At the end of one week, I was finished with a grand total of seventeen hours, twelve minutes. This time included the application of the gaudy paint job that you see in the pictures. (The clocked time did not include the sitting and holding the pieces over rmy head and making sounds like an airplane.) The entire frame was finished, sanded. and doped, ready for covering, by the way, in nine hours thirty eight minutes. If you want to have some fun, set a clock on your work bench and see if you can beat the times given for each operation.

Construction is pretty well explained on the plans but since we are out to save time the few minutes it takes to read the following may help you go even faster. Since some of the younger less experienced readers may want to build Pronto, I will cover in detail the things you older builders do automatically..."

Pronto, MAN Annual 1962.

Direct submission to Outerzone.

Supplementary file notes

Article pages, thanks to RFJ.

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Pronto (oz9710) by Robert Lopshire 1962 - model pic

Datafile:
  • (oz9710)
    Pronto
    by Robert Lopshire
    from Model Airplane News
    1962 
    56in span
    IC R/C
    clean :)
    all formers complete :)
    got article :)
  • Submitted: 15/01/2018
    Filesize: 1197KB
    Format: • PDFbitmap
    Credit*: Circlip, RFJ
    Downloads: 607

Pronto (oz9710) by Robert Lopshire 1962 - pic 003.jpg
003.jpg

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User comments

I never got around to building this design but I sure wanted to. Robert Lopshire, who designed this plane, also wrote a great article, in the same issue, on how to choose colors and how to use them to lay out a color scheme. This was back in the day when an acceptable color scheme for most of us was yellow wings and stab with a red fuse and vertical rudder. I still have the magazine along with full size plans. I may do it yet.
Jamesf - 04/02/2018
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* Credit field

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Scaling

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