Paul,

You are busy with your 555 experiments so you may have missed the
significance.
This impeller and case is set up for a RX-8 which I believe is under
driven and hence rotates the  opposite way  RX-7 pumps do.  With an
external case and mounted remotely, this might be a great thing for
better plumbing connections or even a direct drive from the e-shaft.


Cheers

Doug in Japan


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