AIO (oz14889)

About this Plan

AIO (All-in-One). Radio control sport model for electric power. Wingspan 861 mm.

Direct submission to Outerzone.

Quote (google-translated from the German): "A model for all people. Electric powered flight model and HLG AIO (All in One), by Jürgen Wassmund.

In the Rhine-Main area, where I come from, the opportunities for model flying outside of the club's own premises have unfortunately become more and more restricted over the last decade. After digging up the meadow that had long been used for quick Sunday morning flights with an old Pylon E model, I decided to build a slightly different model of flight. On the one hand, the aerobatic flight characteristics of Schnuppis in the 7-cell class should be approximately achieved, but on the other hand, the model should be light and slow enough when landing to be able to be flown and landed safely in the smallest of spaces.

The four 8 x 1200 SCR battery packs left over from the aforementioned Sunday morning were too good to throw away and should therefore be reused.

Since the intended flying site is easily accessible by bicycle, the model had to be easily dismantled for transport in a backpack. The end product of these considerations was the A10. Equipped with 6 x 1200 SCR and Speed 500 Race, the flight time is 6 to 8 minutes depending on the aerial acrobatics. Due to the small side area of the fuselage and the relatively low flight speed, knife maneuvers are not part of the AIO's domain, but otherwise anything the pilot dares to do is possible. Landings are successful with slightly positive ailerons, almost at helicopter speed.

Changing the battery takes just a few seconds. All you have to do is loosen a wing fastening screw and pull the battery out of the fuselage, which is open at the back. As an unexpected side effect, the AIO's HLG capabilities became apparent during entry tests without a flight battery and motor.

A glider hull with 4 x 270 mA batteries was subsequently built to supply the receiver. This opened up unexpected opportunities for slope flying on the smallest elevations, such as straw bales and the edges of corn fields.

The conversion from the engine model to the HLG is done by changing the fuselage, which is held on two screws, and only takes a few moments. However, it must be pointed out at this point that the AIO cannot compete with performance HLGs in terms of flight performance, such as achievable throw height and glide ratio. The continuous ailerons and the very thick wing profile prevent this.

However, a large part of the resulting losses are compensated for by the extreme maneuverability. The A10 is also a usable travel model, which can be taken to the holiday island in a sturdy box (from 900 x 340 x 220 mm) in a jumbo and there on the beach as a motor model or in the Dunen can be flown as a hang glider when there is little wind..."

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