This is just a quick illustration of a wiring build idea. Fuller explanations in my written guide Fastest Engines - Measured with Hoiktroic Binary Skeleton Counter: \r<br>\r<br>+Video Index:\r<br>0:06 - Stump Engine (Crabs/Skeletons jumping up and down).\r<br>0:50 - Skeleton variant.\r<br>1:04 - Repeater (open ended design with continuous re-spawns dropping from the top).\r<br>1:26 - Overkill Spear Trap Battery (7 hits/s) - player/bat powered.\r<br>1:52 - Stingy Spear Trap Battery (3 hits/s) - player/bat powered.\r<br>2:43 - Continuous Drop - Boulders.\r<br>2:57 - Measuring boulder drop speed with hoiktronic counter.\r<br>3:26 - Boulder powered ive block down-elevator (60tiles/s, i.e. faster than falling).\r<br>3:39 - Measuring crab free-fall (top) speed (37tiles/s, same as all mobs and player).\r<br>\r<br>+ Hoiktronic Counter explained & other rapid in-game engines: \r<br>\r<br>+ Credits:\r<br>All footage shot in Terraria 1.2.4.1 for PC.\r<br>No mods or 3rd party content!\r<br>Game IP belongs to Re-Logic.\r<br>Music from Terraria Soundtrack Volumes 1 & 2 \r<br>by Scott Lloyd Shelly (Resonance array):\r<br>\r<br>And desert theme from Terraria for consoles.\r<br>Video captured with Fraps, edited in trakAxPC.\r<br>\r<br>+ Member of T-MEC (Terrarian Mechanical Engineering Corps) discussion group -