Used as independent engines and for driving fans, blowers and generators direct connected.
They differed only in their oiling arrangements. The VS-7 had a gravity system while the VS-8 used forced lubrication supplied by an oil pump located in the base.
- weight range: 1000 - 4300lb
- sizes to 18x8
(1945) Pump connected engines
Schematics and basic cfm performance data available
Complete instruction manual and parts list is available.