Dakota (oz233)

 

Dakota - plan thumbnail image

About this Plan

Dakota. Original plan of famous half-A gas sport free flight biplane by Joe Wagner, kitted by Veco.

Quote: "The Dakota was originally designed in September, 1949. The first configuration was exactly as depicted here, with two exceptions: the engine was one of the first-model OK Cub .O49's; and the landing gear wire was identical to that of the Veco Papoose (which had been over-optimistically ordered).

The 'Dakota' was designed specifically as a kit model for Veco (Henry Engineering Co.) and was their first free-flight kit, as well as Joe Wagner's first design to be kitted. All design work, construction, test flying, however, was done after 'working hours'. No payment or royalty for this model has ever been received by the designer, even though it is the longest-lived free-flight model kit ever made: on the market continuously for 25 years!

Construction quirks: The wing ribs were made with 1/4 in extra depth so as to be stiff enough to hold the wing aft sheeting to the right curvature while the cement dries. Hence, the leading edges need to be blocked up 1/4 in off the building board during wing assembly.

The wing ribs are trimmed off level with the bottom of the leading edge when the wing assemblies are dry, before installing in the fuselage. Also, taper the bottom of each leading edge from the outer rib to the tip. *Do not* cover the wings on the bottom.

Flying: The 'Dakota' is supposed to circle left under power and right in the glide. Propeller torque and the engine's left thrust will turn the model left under power, while the nose is prevented from dropping into a spiral dive by a combination of gyroscopic and slipstream forces plus right rudder tab.

This is a 'small-field model', designed for tight circling; its glide is slow but fairly steep so it is unlikely to soar out of sight in a thermal. Even with a long engine run. [signed] Joe Wagner."

Supplementary file notes

Article. Titled 'Dakota Beginnings' and written by Joe Wagner, this is a 3 page extract from the Oct 2012 'Gas Lines' newletter (Southern California Antique Model Plane Society), thanks to dfritzke.

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Dakota - completed model photo

Datafile:

003.jpg
003.jpg

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User comments

SteveStaples emailed in a good photo of Joe Wagner with his Dakota. Quote: "Attached is a photo I took of Joe Wagner launching his Dakota at our SMALL 2007 flying event in Little Rock, Arkansas."
SteveWMD - 03/12/2012
Model photo is from the great Dakota build thread here http://www.rcgroups.com/forums/showthread.php?t=1543848&page=5 by LWeller.
SteveWMD - 14/12/2012
My Dakota was built from the Veco kit around '60 or '61, powered with a Pee Wee 020 mounted inverted, later to be a big problem. Test glides didn't go all that well over the proverbial tall grass, and so I decided to just let it take off from the street in front of Girard Jr High. Another big mistake. After a perfect takeoff run, it lifted off just enough to catch the top lip of a concrete curb on the opposite side of the street, bending the inverted Pee Wee cylinder, which never ran again. I don't remember what happened to the undamaged Dakota but it took me many months of paper route savings before I could buy another engine, this time a hand-me-down Cox 049, not another Pee Wee. Those 049's were much more available in my neighborhood a few days after Christmas once the plastic models were destroyed, leaving the undamaged engines for sale cheap. Our most fun with the surplus 049's were in crude U-control models made from cardboard and tape, didn't fly all that well but were indestructible if flown over grass. One of us would fly the plane while our buddies would try to throw rags and knock it out of the air. The Top Flite nylon props would bend but never break, lots of low cost afternoon fun...
DougSmith - 30/10/2015
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