Using your projector's throw ratio, which is either a specific number or even a range of numbers (for projectors with optical zoom), you can figure out how far you can throw it. In order to figure out how far your projector should be from your screen, just use the following formula: ...
Gear Ratio: 2.0:1 to 2.15:1 Shaft Length: Short (15"), long (20"), or extra-long (25") Weight: 60-80 kg (132-176 lbs) Fuel Type: Gasoline (4-stroke) or gasoline/oil mix (2-stroke) Cooling System: Water-cooled Popular Brands and Models ...