VM133MK on Northwing Trike

Three Bearing Crankshaft

160 Watt Alternator

On The Test Stand At The Verner Factory

Photo Gallery

Starter End View Shows electric starter, oil filter and cyclon	Side View Shows propeller gear case and propeller flange
Top View Note the integration of a common air filter installed between carburetors. With carburetors on top of engine, icing is nearly eliminated due to preheated fuel in the float bowls.	Torsional Damper Contains slipper clutch to protect crankshaft from sudden stoppages plus radial springs to act as power pulse dampers.
Oil Pump Newest model is on top in the holder's right hand.	Primary Drive Gear
Propeller Reduction Lower Gear and Case	Closeup of Reduction Gear
Rocker Arm Assembly VM133 engines are dual chain driven overhead cam, 4 valve heads. Exhaust side shown here.	Sprague Clutch and Starter Reduction Gear
Pierburg Fuel Pump This model is used by Mercedes.	Electronic Components From left to right: Rectifier, Electronic Control Unit (ECU) and starter solenoid. Shown on Northwing Navajo installation.

 

Propeller Test Results Cooling Mounting Muffling Technical specifications: Displacement 1329 cc / 85.13 cubic inch Bore 97 mm / 3.81 inch Stroke 90 mm / 3.54 in Compression ratio 1 : 9.8 Maximum power 84 BHP (63 kW) @ 5500 RPM (3 minutes max.) Max. continuous power 70 BHP (51 kW) @ 4200 RPM Torque 119 Nm (88 ft/lb) @ 4200 RPM Propeller rotation CCW, viewed from the front (tractor propeller) - like Rotax 912 Weight 61 kg Spark plugs DCPR9E Electric starter 12 V/1000 W Generator (Alternator) 12 V/160 W (13 Amp) Lubrication oil class SH/SG 5 Fuel motor petrol, octane number 95 Fuel pump Pierburg 7.20971.63 Carburetors 2 × BING 64 Reduction drive 1 : 2 or 1 : 2,29 gear box, lubrificated with motor oil Propeller hub ø75 × 6 × M8 mm tapped holes, ø80 x 6 x 13 holes, ø101,6 x 6 x 13 holes Battery 17 Ah (24 Ah recommended) Recommended TBO 1000 hours Performance Charakteristics:

• Better Fuel Consumption: 3.4 gal./hr @ 75%
  • Oil and Air Cooled
• No Radiator -- No Water System
• Wet Sump -- No Oil Canister
• Lower Initial Cost -- Lower Installation Cost
• 4 Stroke Reliability -- 1000 Hour TBO
  • Standard Features:
  • Electric Start
  • 160 Watt Alternator
  • Dual CDI Ignition w/ Electronic Timing 
  • Oil temp send + pressure switch & lamp
  • Dual Bing 64 constant velocity carbs
  • Tool box w/ box & allen set + screw drivers & feeler gauge
  • Thousands of $$$ less than Other 80hp 4 stroke Engines
  Price List

  Proof of High TBO

  Three high use Polish hovercraft with VM133M engines have been running for more than 2500 hours

  with only routine maintenance!

   

  Main Dimensions: