Rotax 503 UL DCDI 50HP Aircraft Engine

Price:

$2,200.00

SKU:

503 UL

Brand:

Rotax

Rating:

Availability:

24 Hours

Rotax 503 UL DCDI 50HP Aircraft Engine

2-stroke engine specially developed for recreational aircraft
2 cylinders, cooled by fan
Piston ported intake
Dual capacitor discharge Ignition (DCDI)
Dual Bing carburetors
Mikuni pulse driven diaphragm fuel pump
Recoil or electric starter
Available with various exhaust system configurations
Operates on automotive fuel with a minimum of 87 octane rating (Canadian standards) and super 2-stroke oil of API-TC classification, automatically provided by oil injection, or premixed with a 50:1 ratio
Challenger owners, we make the installation of oil injection possible!
Time Between Overhauls (TBO): 300 hours

Performance
Maximum power	49.6HP / 37.0kW @6500 RPM
Maximum torque	41.3ft-lb / 56NM @6000 RPM
Maximum RPM	6800 RPM
Combustion chambers
Bore	2.84" / 72.0mm
Stroke	2.40" / 61.0mm
Displacement	30.31cu.in. / 496.7cm³
Compression ratio	Theoretical: 10.8 Effective: 6.2
Weight
Engine with carburetors	73.2lbs / 33.2Kg
Exhaust system	11.2lbs / 5.1Kg
Air filter	1.1lbs / 0.5Kg
No gearbox, no electric starter	85.5lbs / 38.8Kg
B gearbox, no electric starter	95.4lbs / 43.3Kg
B gearbox, electric starter	106.2lbs / 48.2Kg
C gearbox, no electric starter	103.1lbs / 46.8Kg
C gearbox, electric starter	113.9lbs / 51.7Kg
E gearbox	110.2lbs / 50.0Kg

Rotax 503

Posted by Scott Middlemist on 14th Jan 2023

Good product. Good company. Good and fast service. Very satisfied. Will continue doing my business with company. 5 Stars