MCDi TECHNOLOGY & FUEL SYSTEM
AN INTRODUCTION TO OUR TECHNOLOGY
A breakthrough in small engine design, fuel usage and efficiency.
The XRDi Mechanically Compressed Direct Injection Fuel System (MCDi) is an engine fuel delivery modification that brings vast benefits to the host engine. XRDi has successfully used the MCDi system on a range of small engines, including already developed XRDi engines and existing 2-stroke engines.
Allows a 2-stroke engine to run on any liquid fuel (heavy fuel or gasoline): diesel, kerosene, Jet A, JP 5, JP 8, etc. without modification or adjustment.
Atomizes fuels to droplets of <5 microns, leading to increased power
density, higher fuel efficiency, and lower emissions from a smaller and lighter engine than any competitive product.
Tested and proven as reliable, and high performance.
Competitive advantages in performance and function.
The highly advanced MCDi Fuel Management System produces significantcompetitive advantages in engine performance and function.
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Low weight
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High power/weight ratio - Average 1.3 hp/lb.
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More compact
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More fuel efficient - BFSC < 4.2 average
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Flexible Engine Power configurations - Modular Cylinder Power Stacking
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Higher reliability - Fewer parts
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Low emissions
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Multi-fuel operation - Runs equally well on all heavy fuels (eg JP-4, JP-5, Jet A, diesel), and gasoline, without engine adjustment or tuning changes. Can be adapted to run on alcohol, propane, and LNG.
A look at High Pressure Direct Injection vs. MCDi.
Showed here is a high-speed image capture of the 5 - 15 micron fuel particle size in XRDi's fuel particle test assembly. Notice the "cigarette smoke" atomization which is essential to spark ignition of heavy fuel.A small compressor assembly attached to the cylinder head, driven by a timing belt from the engine crankshaft, delivers a highly stratified charge to the main combustion chamber via a fuel/air delivery valve known as a poppet valve.
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Fuel completely burns in cylinder.
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Atomization allows multiple fuels types.
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Zero emissions.
THE XRDi ADVANTAGE
Successful prototype engines with thousands of tested hours delivering reliability and performance in the field.
License our engine designs, collaborate on engine development, or modify our designs to your specific needs.
LET'S GET STARTED