The SIG Akromaster is a semi scale model of the Spinks Akromaster. Lew Mcfarland's Akromaster was also a model of the Spinks design and is a nice airplane. The Stevens Akro is a different airplane, and I believe was the basis for Leo Laudenslager's Lazer. Tom Dixon's model of the Stevens Akro was published in the last issue of American Aircraft Modeler, early 1975, I believe. I'll go check that out and report back later.
Type at you later,