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User talk:MrFake/TwoStepAlternatingRepeater
It makes sense that short-trigger devices stay in the ON state permanently or near-permanently. If you examine the state of the pressure plate in a thought experiment, it stays ON for 100 steps after having its water removed, then switches to OFF, toggling the pump above . . . and replacing the water on the plate within a very few steps (probably less than 3), setting it immediately back to ON. --Shinziril 04:24, 13 February 2010 (UTC)
I just tested it, and it doesn't appear to work in v31.06.
The bottom pump readily grabs water falling from the top pump before the water ever has a chance to touch the bottom pressure plate, and the two pumps just end up juggling water in midair and creating mist (and creating more water out of nowhere as they run, interestingly, but that's another matter).
I've tested my implementation and I'm fairly certain my diagnosis is correct; nothing attached to the bottom plate ever triggers unless I disable power to the pumps, thus giving the water time to fall, at which point the system operates normally when restarted for the next fraction of a cycle before becoming re-wedged. --Hash 04:48, 16 June 2010 (UTC)