This is a 4-tall boiler w/a blaze burner. Super compact, entire thing is 6x6x11 tall. cobblestone sections can be placed at ground level. creates a total of 16k SU.

1. If lava and water doesn't place, add lava up top, add water to the cobbled stairs below (should create an infinite water source).
2. Remove the small cog from the water pump (below the vertical gearbox)
3. Crank it like nobodies business
4a. Quickly replace cog from step 2.
4b. Optional - remove large cogwheel and crank.
5. Enjoy