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I sent this with a photo, but it doesn't appear to
have arrived, so I will send it separately.
This is what Bill and I have nutted out together
some time ago, but I haven't had a chance to test the theory behind
it.
I initially did the first prototype for a
single rotary but feel the 2 rotor might need a little extra length and bigger
tailpipe - considering exhaust volume.
George ( down
under)
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