Hello folks, I'm having trouble setting up a timer to turn my breeder off after enough ticks have elapsed to re-enrich a near-depleted cell. I've set up a modification of the vanilla breeder in the official designs thread. This lets me upgrade as copper comes in becoming more and more efficient. I'm using the heating cells to moderate the temperature as the planner makes it look like the reactor loses heat without them. I'm using IC2, Nuclear Control, Buildcraft, the IC2 BC Crossover mod and Forestry.
My plan was to set up four simple repeater/redstone torch clocks set to different primes to count any interval. Thus, when enough time for the cells to have enriched passes, the reactor turns off automatically, regardless of where I am in upgrading it.
The clocks are all filtered by pulse restrictors set to one tick pulse length, then pass through a set of AND gates. In theory this gives a clock which fires one pulse of one tick length after a length of time equal to the clock lengths multiplied together. In the case of the example, 4*5*7*9=1260, which is just a little longer than the tick length of the re-enrichment process. (I have since realised that redstone ticks are twice as long as game ticks, I just haven't bothered adjusting my maths)
My problem is that my clocks are triggering the AND gates when the pulses aren't fully synchronised. If one input fires immediately after the other, the output triggers as though both had fired at once. Confounding! Thus instead of a finely tuned redstone clock able to count however long I care for it to I've created what appears to be a bafflingly complex random pulse generator.
My best guess at what is causing this is my computer lagging, but the excess ticks seem far too consistent. Could it have something to do with the orientation of the redstone torches? Many hang off the north face of blocks and whilst I know there is such a thing as the north south quirk my google-fu has been to weak to find out what this actually is.
How do other people control their breeders to maximise efficiency? I'm trying to steer away from RedPower, hence the complex redstoning in the first place.