This is the quadruple stacked version of Seer0's steam engine. I just made some modifications to make it work with 3 more engines attached to each other. You can have a centralized power source down the middle to start them up. It'll only use 2,048su or 4 large water wheels at 128 rpm to kickstart the mechanical pumps in all 4 (shown in the 3rd image).

Go watch Seer0's video to show him some love! ♥