Aeronca Champion (oz10414)

 

Aeronca Champion - plan thumbnail image

About this Plan

Aeronca Champion. Radio control scale model.

Quote: "Fully aerobatic scale model for 4 function proportional radio control and 5.8 - 7.4 cc (.35 - .45) engines. OS Max H40P shown.

Let's start immediately without frills and get cracking with the fuselage. Join 3/32 in medium balsa sheet together to obtain the necessary width and cut the two sides, without the windows. White glue the 1/32 in ply doublers in place and leave overnight. Cut all ply formers and screw the brass tubing on F3A. Then, solder the joints. glue on wing mount WM2 to F5 and U/C block to F3.

Now mark cabin windows and cut through sides and doublers with a pointed balsa knife and sand window frames, mark F positions, glue in U/C1s. The problem of holding the sides curved round F2 is solved by nailing them in while the glue sets! Make sure they are dead square to F2 and then join together at the tail end, retaining with a paper clip. Fit in all the formers and leave to set.

Next job is planking the top and bottom of the nose, using soft 1 in balsa. Fit all the 3/16 in square stringers and cabin frames and the ply tailwheel mount. Before sanding the planking, brush glass fibre resin inside, all around F2 and F3, after which the fuselage can be finish sanded. It's a good idea at this point to matt black the cabin inside way back to F6, but don't fit the celluloid windows yet.

Wings. Cut all ribs first, using scrap bits of balsa where possible (they can be 1/8 or 3/32 in, soft or medium) and drill for the aileron pushrods in appropriate position. Spars are cut next, from 1/8 in firm balsa. If you wish to build a 'clipped' version as used in Air Shows, etc, cut the spars one or two ribs shorter from the centre, leaving the ailerons and strut fixing points as they were. The dihedral braces are cemented to the spars before building the wing..."

Aeronca Champion, RCM&E, September 1971.

Direct submission to Outerzone.

Supplementary file notes

Article pages, thanks to RFJ.

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Aeronca Champion - completed model photo

Datafile:
  • (oz10414)
    Aeronca Champion
    by Don Stothers
    from RCME
    September 1971 
    71in span
    Tags: Scale IC R/C Cabin Civil
    all formers complete :)
    got article :)
  • Submitted: 02/09/2018
    Filesize: 1104KB
    Format: • PDFbitmap
    Credit*: Circlip, RFJ

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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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