ORIGINAL: armody
The engine I'm using at the moment is Evolution .45 engine which comes with Hangar 9's planes like PTS trainers.
This engine has bushing no ball bearings.
Actually that is not true... quoted from Horizon's web site...
"Evolution Trainer Power System: A
Key Features
- Preset SetRight needle valves guarantee easy starting and great performance
- Canted glow plug tilts glow driver away from propeller during starts for safer operation
- No tuning, running or break in needed
- Ball bearing-supported crankshaft
- Includes muffler"