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Wren 460, Peterson 260SE, King Katmai 182 - What are the design concerns of a 3 surface STOL Mod?

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thisadviceisworthles

Well-Known Member
Joined
Jun 20, 2018
Messages
48
Location
Las Vegas, NV
I have been reading about the King Katmai for years, and I am fascinated by its performance characteristics.

Wikipedia for those unfamiliar with this mod.

Mainly, I love the idea of operating out of 500' and cruising over 150mph. The idea of a 3 surface STOL mod on an Experimental is really appealing, my mind keeps drifting to a Bede BD-4C with a canard modification, 140mph cruise, and the ability to operate out of 1000ft.

Most STOL designs on the market are STOL at all costs, but having something with STOL performance and cross country capability better describes my goal.

The trouble is there is a bit of a shortage of information on 3 surface airplanes. A few have been built: the King Katmai, Rutan's Catbird, the Commutercraft, Eagle 150B but I am having trouble finding information on the design and considerations of these planes.

What would it take to safely design a canard mod for an existing experimental, or is there an experimental that I have missed that does take advantage of this design with good results?
 
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