Prototype 1 LRT Engine
Our first prototype VCR-DCE 4×72 have logged more than 100 operational hours since 2020.
The video beneath shows the engine, running at 1100 RPM, with a vineglass placed on the testbed.
| VCR-DCE 4X72 | Spesifications |
|---|---|
| Engine type | Spark ignited 2 + 2 horizontally oposed cylinder banks, with double exhaust expansion and exhaust driven supercharger (auxiliary cylinders) |
| Fuel | Petrol and several types of bio- and e-fuels |
| Number of main cylinders | 4 (four stroke) |
| Number of aux cylinders | 4 (working as expander and supercharger) |
| Stroke volum main cylinders: | 1172 ccm |
| Stroke volum aux cylinders | 1 090 ccm |
| Cylinder diameter | 72 mm |
| Stroke length | 72 mm |
| Variable compression ratio | 7.0:1 to 14.3:1 |
| Cooling system | Water jacket |
| Controller system (ECU) | KMS MP25 |
| Crankshaft system | Linear Rod Technology (LRT) |
| Theoretical max shaft power | 184 kW |
| Dry weight | 105 kg (depending on flywheel type) |