Hi George,

I tried to search for the 5 rotor CW you mentioned and found
nothing. I did find a reference to 5 rotors at Freedom Motors which
appears to have some involvement with Moller. They mention up to 9
rotors but I could find no specifics. Can  you give a hint as to
where to find the CW 5 rotor info?

Thank you,

Dale Davies

They do exist.
If I told you where Dale I would have to kill you :)
Here is a Curtis Wright 5 rotor in a secret location.

Paul Lamar



Hi Paul,

Not interested in the physical location. Just about the engine itself. The
installation looks to have a few military style pieces. The rotor housings
appear a little larger than the Mazda components. Is the part that looks like
a fuel injection pump the oil injection for the apex seals? How about firing
order? With the right sequence, they would almost balance themselves like an
inline 6 is balanced.

I forgot to put my name at the bottom of the wise guy comment I set a couple
of minutes ago. Sorry

Dale Davies

CW Model 5290 for the US military.
It was a large engine with dual turbo chargers.
Stratified charge running on heavy fuel.
2900 HP at 3600 RPM
75 inches long, 40 inches wide and 52 inches high.
It weighed 4000 pounds.

Probably intended to be a tank engine.
Given the weight it could be a gen set.

What you see is a direct fuel injection pump.

The firing order for any rotary is evenly spaced around
360 degrees. In other words every 72 degrees for a five rotor.
It will still require small counterweights to get rid
of a small couple.


Paul Lamar