About this Plan
Casper. Radio control sport parasol model, for .30 to .40 power.
Quote: "A classic 76 inch span sports beauty, by Adrian and Hugh Kingsford.
My Dad and I have always enjoyed designing, building and flying model aircraft - not only sports types but more notably aerial photographic models. When it came to 'Casper' the objective was to come up with something that not only performed well, had pleasing lines but was also fairly straightforward to construct! We began preparatory sketches for this high wing strut layout in 1985 and, along with a couple of other models, finished the layout in 1987!
Designing other models helped us to come to a much clearer understanding of the constructional requirements and materials needed for this modest sized sports model. Casper has been put together with a degree of portability in mind, therefore a detachable tail, undercarriage and a simple one-piece wing have been incorporated.
Fuselage. Construction is mostly straightforward, however, the strut assembly and wing alignment will require careful attention. Start by making the two rear sides from 1/4in sq hard balsa spars, from F3 to the tail - don't attach these to F3 yet. Make sure that the top 1/4in sq balsa longerons continue forward far enough and allow a little extra for the curve. Leave these unglued to F1 and F2 at this stage.
Next mark out and drill holes in F3 for the supporting struts, the two rear sides can now be assembled to F3 using the top plan view as a guide. The rear cockpit former S1 is next followed by all bottom 1/4in sq. spar supports, 52, S3, S4 and F4. Keep a close eye on the alignment of all the formers for the final strut positions (and therefore wing setting) depend on yourbuiding expertise..."
Casper, Radio Modeller, August 1991.
Direct submission to Outerzone.
Supplementary file notes
Article pages, thanks to RFJ.
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