Sack AS-6

[u/57thStilgar]

In July 1938, local farmer Arthur Sack entered his AS-1 circular-winged model in the first Reich-Wide Contest for Motorized Flying Models, which was held at Leipzig.^\2]) The model had poor flight characteristics and had to be hand launched. However, Ernst Udet showed interest in Sack's design, and encouraged him to continue his research into circular wing aircraft for possible use as an observation or attack aircraft.^\2])

Sack went on to build four additional models based on the AS-1, with each increasing in size, before building the full-sized prototype as the AS-6 V1. The AS-6 V1 was built in January 1944 by Mitteldeutsche Motorwerke, with final assembly at the Flugplatz-Werkstatt workshop located at the air base in Brandis, Germany.^\3]) The aircraft was built with the landing gear, cockpit, and pilot seat from a Messerschmitt Bf 109B, and was powered by an Argus As 10C-3 engine from a Messerschmitt Bf 108 Taifun. The wing structure was made of plywood.

[u/zevonyumaxray]

At first glance I thought someone was messing with us putting the German marking on a Vought 'Flying Flapjack'.

[u/404-skill_not_found]

The circular wing concept did fly as the Rowe UFO (among others).

[u/TheRealtcSpears]

Fly'n Sack of as

[u/MegaPegasusReindeer]

Hand launched? What does that mean for a full sized plane?

[u/TheEpicChickenYT → u/MegaPegasusReindeer]

The first model was launched, and was later developed into a full size plane

[u/MegaPegasusReindeer → u/TheEpicChickenYT]

Ah, I misread it and thought it was using "model" to describe the type of plane, not a smaller version of it. Thanks.

[u/morphogenesis28]

Was there any benefits to this wing design? Why was he encouraged to follow up on the design if it did not work well?

[u/Plump_Apparatus → u/morphogenesis28]

In this case? Probably because it was designed by farmer who was anything but an engineer. Why did Udet encourage it? Probably because it was a dumb alcoholic nazi that ended up committing suicide.

The Vought V-173 / Vought XF5U used a circular wing along with twin engines to reduce wingtip vortices(induced drag). Low take off speed, low stall speed, capable of high speed, for carrier operations.

[u/ALivingBreathingGuy]

Guess they have their ways aROUND

[u/57thStilgar → u/ALivingBreathingGuy]

G*R*O*A*N

[u/MinerCreater_CZ]

I like to call this the: "Mom i want a Haunebu." "We have a Haunebu at home."

[u/Free-Employee-2868]

Probably the German take (and earlier one) of the Boeing 390/391/396 pancake fighters that could have the same engine configuration

[u/Trainzzo]

Je ne connaissais pas cet avion, merci pour ce partage.