About this Plan
The Challenger. Free flight Clipper Cargo contest model, for .020 power. All-sheet design.
Quote: "Now that the rules have changed for the Clipper Cargo event it won't be necessary to have a truck to transport your model to or from a contest: And most workshops will once again be large enough to build and store one.
The span limitation of 48in coupled with the .020 engine is a realistic limit. But perhaps the most important change in the Clipper Cargo rules is that of being able to build a heavier model without being penalized: as the rules now state, the model's performance will be judged on the total weight lifted including the weight of the model.
This means models can be built more rapidly and ruggedly, through the use of more balsa and simplified construction - features lacking before. Streamlining will undoubtedly come into vogue since added weight can be used to advantage.
The 'Challenger' was designer with all this in mind, plus some of the elements associated with every competition - spectators, other contestants, parked cars, to name a few. The all-balsa structure featuring a partly solid fuselage provides a solid mount for good engine operation, the solid wing and tail assembly can be patched on the field and flown before the cement dries.
Anyone who has built a hand-launched glider will have no trouble with this type of construction. Flying the model is easy. Landing gear and wing can be shifted until best take-off and flight characteristics are obtained..."
Hi Mary/Steve - Here is another Paul DelGatto tribute plan,the Challenger from American Modeler magazine issue 07-59.
Direct submission to Outerzone.
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