47 ms·

More to the point, I imagine a stuck pig blocks the flow, meaning you couldn’t get the second pig to go anywhere, because there wouldn’t be any flow.

• thriftwy 3y ago
  You can have vacuum pig by siphoning the liuqid out?
  • jtbayly 3y ago
    Sure, but only (at best) up to the previous stuck pig, assuming the stuck pig is blocking flow.