- Hollansburg, Ohio, United States
- US $24.00
- Mar 6th
Plans to build the 4-In-1 Vacuum Engine The correct terminology is "atmospheric engine". Never the less, here is a "flame eater" engine you can build any of four ways: (1) - Air Cooled Side Crank as shown, (2) - Water Cooled Side Crank, (3) - Air Cooled Center Crank or (4) - Water Cooled Center Crank! The air cooled engines have an optional belt driven cooling fan which provides cooling for long running sessions.