Two stroke four cylinder flat model gas engine 500ccm. Suitable for giant scale airplane models with weight over 40kg and wingspan over 4 meters.
Very powerful, very light and compact, super low vibration level and easy to cool quad boxer 500B4-J. This engine with separated heads and especially designed and secured crancshaft alongside with completely new design of cylinders brings very high level of reliability, durabily and great combination of power/weight/price ratio.
| Displacement: | 493ccm |
| Weight: | 13300g ignitions included |
| Bore: | 56mm |
| Stroke: | 50mm |
| RPM range: | 800-8500ot/min |
| Ignition: | Processor controlled 4,8-7V |
| Fuel mixture N95+oil): | 1:35 (break in), 1:40 (normal run) |
| Recommended twinblade props: | |
| Recommended threeblade props: |