I do not claim to be an expert in this matter, but during the presentation
by Eric Barger, one of the features highlighted was simplicity of assembly.
This may not pertain to installation of the rotor seals, however the engine
itself was extremely simple to assemble a single rotor. It was demonstrated
by laying the back plate between 2 tables, an o-ring or 2(I think) laying on
the rotor housing, place the rotor, insert the crank, a few more o-rings,
the back plate, then housing bolts. It was mentioned that the 2 rotor
required some jigging, and I would imagine the more rotors the more complex
the process. I would think that some of the needle bearings would need to be
pressed in after partial placement of the separator plate over the crank,
etc. (just guessing here folks)

C. Smith

The major complexity is mindset.  It is a very simple design -- so is a
bomb detonator.  With each, you need to be more careful than the
simplicity would imply.  All we need is some guy slapping his engine
together the way he's been doing with Geos or Notaxes, nicking the
coating or something, then going in with engine failure.

I've been playing with engines of all sorts for a long time.  If you
offered me a build-it-yourself Rotamax and a good discount, I would take
it, but even then I would want someone who's done it before to Elmer me
through the initial assembly.

Keith W


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