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6 WINTER LF-1 ZAUKONIG For those who prefer to model the unusual and obscure aviation creations, try this 3/10th scale 94” span radio controlled scale model designed by Jeremy Collins. It’s a challenge in many respects, not least in programming and mixing the control surfaces and flappery for ultra low speed flighty – which was what the full size was all about! 16 ZAUNKONIG TYPE HISTORY German aeronautical engineers were among the first to systematically investigate low-speed flight. This was one of the experimental types used 19 WINTER LF-1 SCALE DRAWING 1:40 three-view drawing with fuselage and wing sections, plus wing structural detail 20 ZAUNKONIG IN DETAIL Close-up study of the 2nd prototype, now on permanent display at the Deutsches Museum at Unterschleissheim, north of Munich 24 DE HAVILLAND DH53 HUMMING BIRD PART 2: Mats Johansson concludes the construction of his 1:18 scale 20” (509mm) wingspan indoor R/C scale model for electric power and ultra lightweight systems 30 BEST SEAT IN THE HOUSE PART 2: A guide to cockpit detailing 36 FULL SIZE FREE PLAN FEATURE VERVILLE-SPERRY M1 MESSENGER A 30” span, 1/8th scale model for R/C electric power designed by Peter Rake, with the prototype built and described by Steve Perry 42 TYPE HISTORY: SPERRY M1 MESSENGER Conceived as an ‘aerial motorcycle’ for military airborne despatch riders, this little aircraft, built in small numbers nonetheless blazed its own trail in aeronautical research and performed the world’s first fixed wing aircraft-to-airship hookup and release 46 SCALE SOARING Chris Williams, flies a Kite (Slingsby that is!) and also provides some practical little construction techniques that apply as much to any type a flying scale model as with scale gliders