| Model |
ROTAX 503 w/Gear drive |
| No. Cylinders |
2 |
| Displacement |
496.7 cc |
| Horsepower |
50 hp |
| Recommended TBO |
300 hrs |
| Propeller |
68" x 32" |
| Fuel Capacity |
5 gal |
| Length |
19ft 9in |
| Height. |
6' 6" |
| Wingspan |
30ft |
| Wing area |
146 sq ft |
| Wing loading |
3.9 lb/sq ft |
| Power loading |
11.4 lb/hp |
| Seats |
1 |
| Minimum flight crew |
1 |
| Max takeoff weight |
570 lbs |
| Empty weight |
316 lbs |
| Useful load |
254 lbs |
| Payload w/full fuel |
224 lbs |
| Takeoff distance, ground roll |
65 ft |
| Takeoff distance, 50 ft obstacle |
169 ft |
| Rate of climb |
1450 ft/min |
| Max level speed, sea level |
78 mph |
| Landing distance, 50 ft obstacle |
350 ft |
| Landing distance, ground roll |
100 ft |
| Glide Ratio |
7.5:1 |
| Minimum sink rate |
450 ft/min |
|
|
| CRUISE PERFORMANCE CHART: |
| At 55% power (rpm/mph) |
5300/64 |
| At 65% power (rpm/mph) |
5600/68 |
| At 75% power (rpm/mph) |
5900/72 |
| At 100% power (rpm/mph |
6500/78 |
| At 55% power (gph/mi) |
3.67/87 |
| At 65% power (gph/mi) |
4.33/79 |
| At 75% power (gph/mi) |
5.00/72 |
| At 100% power (gph/mi) |
6.67/58 |
| Vx (Best angle of climb) |
32 mph |
| Vy (Best rate of climb) |
41 mph |
| Va (Design maneuvering) |
61 mph |
| Vne (Never exceed) |
74 mph |
| Vs1 (Stall, flaps up, power off) |
29 mph |
| Vs0 (Stall, flaps down, power off ) |
27 mph |
| Landing approach speed |
40 mph |
|
