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| name |
Comco C42 Ikarus |
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| type |
3-Axis |
| manufacturer |
Comco |
| description |
SUMMARY
Side-by-side two-seat high wing monoplane with conventional three-axis control. Wings have unswept leading and trailing edges and constant chord; conventional tail. Pitch control by elevator on tail; yaw control by fin-mounted rudder; roll control by ailerons. Wing braced by struts from below; wing profile NACA 2412 (12% thick); 100% double-surface. Undercarriage has three wheels in tricycle formation; oil/gas damper suspension, on main wheels. Push-right go-right nosewheel steering connected to aerodynamic controls. Disc brakes on main wheels. Tube and fabric construction with composite panels. Engine mounted below wing, driving tractor propeller.
EXTERNAL DIMENSIONS & AREAS
Length overall 6.25m, 20.5ft. Height overall 2.20m, 7.2ft. Wing span 9.45m, 31.0ft. Constant chord 1.32m, 4.3ft. Dihedral 0°. Sweepback 0°. Main wing area 12.5m2, 135ft2. Other areas NA. Aspect ratio 7.1/1. Wheel track 1.61m, 5.3ft. Wheelbase 1.50m, 4.9ft. Main wheels dia overall NA.
POWER PLANT
Rotax 912S engine, liquid cooled. Max power 100hp at rpm. Three-blade propeller, diameter and pitch 1.73m x 21°, 68 inch x 21°. Gear reduction, ratio 2.43/1. Max static thrust NA. Power per unit area 8.0hp/m2, 0.74hp/ft2. Fuel capacity 50 litre, 22.7 Imp gal, 18.9US gal.
WEIGHTS & LOADINGS
Empty weight 262kg. Max take-off weight 450kg. Payload 183kg. Max wing loading 36.0kg/m2. Max power loading 4.5kg/hp. Load factors +4, -2 recommended, +6, -3 ultimate.
PERFORMANCE*
Max level speed 120mph. Never exceed speed 139mph. Economic cruising speed 108mph. Stall speed 39mph. Max climb rate at sea level 1200ft/min. Min sink rate 390ft/min at NAmph. Best glide ratio with power off 11/1 at 50mph. Take-off distance to clear 15m obstacle 79m** on grass. Landing distance to clear 15m obstacle 46m on grass. Service ceiling 10,000ft. Range at average cruising speed 400miles. Noise level 73.5dB(A) LEL. * Under the following test conditions Airfield altitude c300ft. Ground temperature 13°C. Ground pressure 992mB. Ground windspeed 20kt, gusting 30kt. Test payload 390kg. ** This item tested with 912-engine, shorter take off with 912S-engined aircraft version
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