Hello Barret,

Just wondering what aircraft you have decided upon building???  Planning
flying over the mountain ranges much?  I used to live in Wyoming, Rock
Springs, Riverton, Laramie, drove into Utah lots to snow ski years ago.  I
used to fly a bit in a tail dragger with a friend working a Uranium Mine
Camp near Riverton...

GFCurtis Jr.

Hi,
I'm am building a HIGHLY modified version of the KR2S, it will look like a
P-51D Mustang (but side x side 2 place as the "boss" dictates) when done.
When I WAS planning on using the Corvair engine, I was wondering how to make
the radiator duct functional somehow, and now that I will be using the
rotary, it WILL be functional. I am just using the basic dimensions of the
KR2S and not much else, so to call it a KR wouldn't be fair at all. The
purpose of the plane is to just fly and have fun in. As far as mountain
flying goes, it wouldn't be prudent at this time to make a statement like
that...it has to actually fly first, then I'll evaluate what I will be doing
with it more. Most of my experience is in a tail dragger and I have an
affinity for them, so this plane will be no different. I'm still wrapping my
mind around the differences in thinking with the rotary engine and still
trying to form a solid opinion on which way to go with it. Since my power
requirements will be modest, it looks like I won't be having to do anything
fancy, so that always helps. :-)
-Barrett    SLC, UT

The easiest intake manifold to make also happens to be the most powerful
but you can always put a throttle stop on it which... given what a tail dragger
does when you raise the tail.... would be a good idea.
If you have the dimensions of the firewall and the position of the thrust
line I can send some suggestions for a motor mount. Similar to this
3D.

Also you have to figure a rotary weighs about the same as an O-320 FWF but
putting the rad behind the cockpit will help.

Now if you can get together with Lewis in SLC take a look at his engine.
The aluminum end housings will save almost 100 pounds on the 2 rotor engine weight.

The exact shape of the rad duct is also very important.
Here are the coordinates. If this is too complicated let me know and
I will work out the exact plotted dimension.

Paul Lamar