Originally Posted by
Glowgeek
Interesting how Saito handled fuel distribution on the FA-325R5. The "impeller" on the left is supported by bearings and driven by the crankshaft. It mounts behind the intake manifold on the right.
I seem to remember that OS also used some sort of crankdriven impeller/mixer device (from memory, so it is entirely possible that I confuse the Saito and the OS radials).