Engine Comparison Chart

Make / Model VM133MK VM125T Verner SVS 1400 Rotax 582 Rotax 912 HKS 700E
Style 2 Cylinder 4 Stroke 2 Cylinder 4 Stroke 2 Cylinder 4 Stroke 2 Cylinder 2 Stroke 4 Cylinder 4 Stroke 2 Cylinder 4 Stroke
Horsepower 84 @ 5500 rpm 5 min.    70  continuous @ 4200     78 @ 5200 rpm 5 min. 58hp continuous @ 3800 80 @ 5000 rpm 5 min. 70 Continuous @ 4000 66 80 @ 5800 rpm 5 min. 79 continuous @ 5500 60 @ 6200 rpm    56 @ 5800 rpm
Fuel Consumption (gal. / hr.) 2.65 Gal. @ 3750       (75% power)   2.65 Gal. @ 3750 (75% power) 3 @ 5000 4 gal. / hr. @ 5000 (75% power) 2.38 @ 4750 rpm
Total Installed Weight Dry w/ carbs, GB, ES, Coolant Containers and Exhaust Engine W/ gearbox 61Kg / 134.2lb.              146.2lb. w/ exhaust & oil cooler 69Kg / 151.8lb w/o exhaust & oil cooler -- 163.8 w/ exhaust& oil cooler 75Kg / 165lb. w/o exhaust, oil canister or cooler 105.3 (Includes Radiators) Engine w/  gearbox 122.1 lb.
134.5lb w/ exhaust, air filters, radiator, oil cooler		 55Kg / 121lb.
Cooling System Oil / Air (wet sump) Oil / Air (wet sump) Oil / Air Water Water / Oil (dry sump) / Air Oil / Air
Carburetion / Ignition DCDI DCDI DCDI DCDI DCDI DCDI
Gear Box Internal 2:1, 2.29:1 Cog Belt Included Cog Belt Included E Included Included
Electric Start Yes + 160W Alternator Yes + 160W Alternator Yes + 160W Generator Yes Yes Yes + Generator
Engine Instruments Included Oil Pressure and Battery Charge Lights Oil Pressure and Battery Charge Lights Yes No No  
TBO 1000 1000 600 300 1500 500
 
          
  Verner VM133MK    
Rotax 912*
  
Power setting (%) 65 75 100* 65 75 100
RPM 3400 3800 5500 4800 5000 5800
             
Power            
KW 40.7 47 62.6 37.7 43.5 59
HP 54.6 63 84 50.6 58.4 80
             
Torque            
NM 111 114 119 75 83 103
Ft Lb 81.9 84.1 87.8 55.3 61.2 75.9
             
Fuel Consumption            
Liters/Hr 7.5 11 23 15.8 19.2 22.7
U.S. Gal/Hr 1.98 2.9 6.1 4.2 5.1 6.0
Imp. Gal/Hr 1.6 2.4 5.1 3.5 4.2 5.0

*R912 Specs from http://www.rotax-aircraft-engines.com/