Installation on Kolb Mark III
This engine is the most fuel efficient, reliable, light, four-cycle, true 80 horse-power aircraft engine with the highest torque in its class. Designed, developed and manufactured by Verner Motors (Slavek Verner) in the Czech Republic and well known to the microlight/UL community in Central Europe for over 20 years. In order to provide you with a dependable, easy to maintain engine, it was made simple with as few moving parts as possible. Engine block: Light magnesium, lateral and axial needle bearings, 4-valves per OHC head. Fuel consumption: less than 2.2 gph at 3750 rpm (75% power, max. torque).
Standard equipment includes: electric starter, dual CDI ignition, 80 W generator, cog-belt reduction drive, dampener of torsional vibration, oil tank, separate oil cooler, two Bing 64 carburetors and UNI filters, oil pressure sensor, rubber engine mounts, basic instruments: CHT, Tach., Oil Temp., maintenance tools except a torque wrench. Each engine is test-run (2.5 hours), re-torqued/adjusted before delivery to the customer.
The VM 1400 Motor is certified for microlight use in Australia, France, Poland, Germany, Great Britain, and the Czech Republic. Certification is in progress in Russia and others. After extremely difficult testing (simulating 600 hrs. of continuous service) done by the Czech Microlight Aviation authority, (only) theVM 1400 engine passed the certification process required by most European countries for microlight use on 3/15/98.
September 1997 - World UL Championship in Turkey. Our Rans Coyote S6-ES with the VM 1400 ended 5th in the competition.
The VM 1400 has also been tested and used for more than 2 years with new fuel (Propane). Engine mounted on a trike and flown with 2 people on-board uses approximately 2.2 GPH. There is a slight reduction in power and for starts in cold weather a pre-heater should be used.
| Rated Power | 80 BHP (58 kW) @ 5,000 rpm (5 minutes maximum!) |
| Torque | 129 Nm (95 ft. lbs.) @ 3,500 rpm |
| Fuel Consumption | 2.2 (U.S.)gph / 8.6 L/hr @ 3,550 rpm (70% power) |
| Maximum Continuous Power | 70 BHP (52 kW) @ 4,000 rpm |
| Displacement | 1387 cc (85.43 cu.in.) |
| Bore | 94 mm (3.70 in) |
| Stroke | 100 mm (3.94 in) |
| Propeller rotation | Clockwise (viewed from the propeller side) |
| Compression Ratio | 1:10.2 |
| Weight | 75 kg (165 lbs.), including all required components* (without oil) |
| Ignition Timing | 14-20 degrees BTDC |
| Spark Plugs | NGK CR9EK, NGK CR9EVX, Champion RG92DC, Champion RG94C |
| Spark Plug Gap | 0.4 mm (0.016 in.) |
| Electric Starter | 12 V / 1,000 watt |
| Generator (Alternator) | 12 V / 70 watt (6 Amp) |
| Lubrication | Castrol SH/SG 5-50W (Synthetic), AEROSHELL 15-50 (Semi-Synthetic) |
| Fuel | Automotive 91 octane minimum or 100 LL AvGas |
| Fuel Pump | AC 816031, Mechnical |
| Carburetors | 2 x Bing 64 |
| Reduction Drive | 1.88:1 2.0:1 or 2.20:1, 80-85 mm x 8 mm pitch cog-belt |
| Propeller hub | 75 mm B.C. x 6 x 8 mm tapped holes (100 mm available on request) |
| TBO | 1200 hours |
WARNING: This aircraft engine does NOT comply with federal safety regulations for standard aircraft. This is for use in experimental and microlight uncertified aircraft only and only in circumstances in which engine failure will not compromise safety. Read operator’s manual before operating the engine.
This engine is no longer in production. The next generation Verner engine is the 133M, 20 lbs lighter with a gear reduction. See the 133M for technical specifications.
Current installations include: AKS Trike, RANS Coyote and Coyote II, RANS S6, S12 and S7, G3 Mirage, Petrel, M-Squared, Murphy Renegade, TwinStar Gyro, NorthWing Trike, Wild Thing, Drifter (Australia), Sunrise, Sunny, Cora (CR), Cherry, Piper UL, Bailey-Moyes Dragonfly, VSTOL, Skyboy (CR), KOLB Mark III (right) and many others.
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Central Florida Flyers, Inc.
3300 SW 52nd Avenue
Bushnell, FL 33513
Phone: 407-718-4251 E-mail us at: mail@centralfloridaflyers.com |