Draggin (oz3044)

About this Plan

Draggin. 1/2A control line stunt model.

Direct submission to Outerzone.

Update 15/8/2022: Added article, thanks to Pit.

Quote: "Good small-engined stunt ships are a rarity these days. With 0 & R Midiet up front this little terror turns on a dime. Draggin', by Jerry Peck.

Here's a jolly little flying wing that's fun to build, fun to fly, and easy on the eyes too. Besides the unusual appearance there are some interesting new construction techniques which not only make building the Draggin' more pleasurable, but make it an extremely sturdy model as well.

The design history goes back about five years. While transporting the remains of a conventional Half A ukie back to the shop, it occurred to me that a flying wing would offer several advantages over the usual layout. It would be more maneuverable, and a saving in weight could be realized by the elimination of the fuselage and tail section. Furthermore, the compactness of a flying wing would make it less susceptible to damage. These theories, a start at building one version, and many, many sketches made in odd moments finally culminated in the Draggin' I airplane, a photo of which is shown.

While the performance of the first version demonstrated that the basic design was good, room for improvement was indicated in a couple of places. The most important of these were centered around the engine. For some reason, possibly the popularity of radial mounting, the most common weakness of the Half A controlliner is the engine mounting system. Draggin I used an extra strong radial mount, together with plywood doublers, but it too gave out. Use of beam mounts, held to plywood fuselage doublers by wood screws and much glue, has positively corrected this weakness.

The other item of importance concerning the engine is to use a good fuel system, ie a high fuel-draw type engine and a reliable tank. Of the many units which fill this bill, I chose the 0&R .049 Midjet hooked to a Sullivan nylon tank which is lightweight and incorporates internal baffles.

The first Draggin' used a split elevator, the aft part of which deflected more than the forward part, giving an approximate arc of a circle, but this didn't prove worth the trouble and weight..."

Supplementary file notes

Article.

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