503 UL - D.C.D.I
503 UL - D.C.D.I
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503 UL DCDI shown with options |
Description |
| 2-cylinder , 2-stroke fan cooled engine with piston ported inlet , electronic dual ignition , exhaust system , carburetor , rewind starter. |
version |
Performance |
Torque |
Max.RPM |
| kw hp 1/min | Nm ft.lb 1/min | 1/min |
|
| 503 UL-2V | 37.0 49.6 6500 | 56 41.3 6000 | 6800 |
Bore |
Stroke |
Displacement |
Compression ratio |
| 72mm ( 2.84in ) | 61.0mm ( 2.4 in ) | 496.7cm ( 30.31 cu.in.) | th: 10.8 -- ef: 6.2 |
| Fuel | Super 2-stroke motoroil | Mixing ratio |
| min.MON 83 RON 91* min.AKI 87* *- leaded or unleaded |
API - TC - Classification |
1:50** ** variable with fresh oil pump |
| Ignition Unit | Ignition Timing | Spark Plug |
| Ducati double CDI | 16º v. OT |
Rotax® part # 897 055 |
| Generator Performance | R.P.M | Voltage |
| 155w DC | 6000 1/min |
13.5 V |
| Weights ( standard) | Kg | lb |
| engine | 31.4 | 69.2 |
| 2 carburetors | 1.8 | 4.0 |
| exhaust system | 5.1 | 11.2 |
| Weights ( options) | Kg | lb |
| 2 air cleaners | 0.3 | 0.7 |
| electric starter | 3.5 | 7.7 |
| dual air cleaner | 0.5 | 1.1 |
| gearbox"B"/ 2.58 | 4.5 | 9.9 |
| gearbox"C"/ i 2.62/3.0/3.47/4.0 | 8.0 | 17.6 |
| gearbox"E"/ i 2.62/3.0/3.47/4.0 | 11.2 | 24.7 |
| external alternator 220w DC | 1.1 | 2.4 |
| oil tank 2.4l | 1.6 | 3.5 |
| fresh oil pump | 0.3 | 0.7 |
| intake silencer 2v | 1.1 | 2.4 |
| after muffler | 1.6 | 3.5 |
!!! WARNING !!! THIS AIRCRAFT ENGINE DOES NOT COMPLY WITH FEDERAL SAFETY REGULATIONS FOR STANDARD AIRCRAFT.THIS ENGINE IS FOR USE IN EXPERIMENTAL AND ULTRALIGHT UNCERTIFIED AIRCRAFT ONLY AND ONLY IN CIRCUMSTANCES IN WHICH AN ENGINE FAILURE WILL NOT COMPRIMISE SAFETY.BEFORE OPERATING THE ENGINE READ OPERATOR'S MANUAL.INFORMATION IS AVAILABLE FROM YOUR LOCAL AUTHORISED ROTAX® DISTRIBUTOR. |
ROTAX® is the registered trademark of BRP - Powertrain GmbH & Co. KG
