Verner 133MK

Engine Specifications & Photo Gallery

Engine VM 133MK Performance Charakteristics VM 133MK 

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:
 

Standard Features   
  • 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:
    Main Dimensions VM 133MK Main Dimensions VM 133MK