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| In the late 1930’s Russell Bourke endeavored to improve upon the ] engine and despite finishing his redesign |
In the late 1930’s Russell Bourke endeavored to improve upon the ] engine and despite finishing his redesign and building several working engines; bad luck (] breaking out), bad health and a ] compounded to prevent his engine from ever coming to market despite its advantages. To this day there are several small groups extolling the virtues of the design but the lack of funding and proper marketing seem to prevent anyone from making any actual inroads. | ||
| * Design Points: | * Design Points: | ||
| *# ] instead of connecting rods to translate motion to rotary motion. | *# ] instead of connecting rods to translate motion to rotary motion. | ||
Revision as of 03:15, 15 November 2005
In the late 1930’s Russell Bourke endeavored to improve upon the Otto Cycle engine and despite finishing his redesign and building several working engines; bad luck (WWII breaking out), bad health and a know-best attitude compounded to prevent his engine from ever coming to market despite its advantages. To this day there are several small groups extolling the virtues of the design but the lack of funding and proper marketing seem to prevent anyone from making any actual inroads.
- Design Points:
- Scotch Yoke instead of connecting rods to translate motion to rotary motion.
- Fewer moving parts.
- Smoother operation.
- Longer percentage of cycle speant at top-dead-center and bottom-dead-center for more complete combustion and exhaust scavanging.
- One power stroke per rotation (2-Cycle) opposed to one every other rotation (4-Cycle) resulting in nearly twice the power at a given engine speed.
- High compression and temperatures to cause an instantaneous and adiabatic reaction as opposed to a drawn out combustion.
- Lean fuel/air misture combined with the adiabatic reaction resulting in zero unburnt hydrocarbons in the exhaust.
- Sealed underside of the piston to isolate the fuel/air mixture from the crankcase.
- Eliminate the need to mix oil with the fuel as with standard 2-Cycle engines
- Prevents the piston ring blow by from poluting the crankcase oil extending the life of the oil.
- Scotch Yoke instead of connecting rods to translate motion to rotary motion.
Many of Russell's claims are unproven and unachievable thus putting him in the category of crackpot engineer.