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Valach VM 120I2-4T Inline motor med kjøledeksel


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Valach Motors VM-120 I2-4T

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  • Crankshaft with 5 ball bearings and 180° crank angle. 
  • Honda valves and valve seats 
  • Nickel-Silicon plated cylinder surfaces 
  • Completely enclosed valve train 
  • Walbro carburettor 
  • Spontaneous throttle response and smooth mid-range transition 
  • Walbro Carburetor 
  • Valach microprocessor battery ignition with automatic advance and retard 
  • Two Lipo Cells can be used as ignition battery 
  • VM-engines are now being produced with state of the art machines and methods

The Valach engines VM 120 B2-4T  looks just like an original aero engine, only smaller, it runs smoothly like an original aero engine and above all it sounds like an original aero engine. The designer Zdenek Vlach has produced a real winner, an engine that demanding modellers have been waiting for, for a very long time.

Due to being a four stroke, the low vibration, is nothing but sensational, and torque is really high. The response to the throttle being opened is so smooth without the slightest attempt to surge, making the Valach 120 B2-4T absolutely ideal for your aerobatic model.
Being a four stroke with a large capacity produces a very realistic full-size aircraft sound. With a relatively small silencer the sound level is very low rather like a small saloon car.

The Valach VM 120 B2-4T is a four stroke OHV engine with two valves per cylinder, running on petrol/oil mixture. Valves and their seats are manufactured by Honda, ensuring a very high quality. The fully encapsulated valve train reduces sound as well as ensuring the rocker arms are well lubricated.
The cylinder heads are cast with the lost wax process, which enables a very light weight. The VM-120 B2-4T's surface finish gives a very realistic appearance. The cylinder's nickel-silicon lining is far lighter than conventional steel cylinder liners.

The processer controlled ignition allows easy starting and a exceptionally smooth running in all throttle settings.

The Fiala propellers are very efficient, this being due to minimal blade thickness. They sound especially good on four stroke engines. Ideal Fiala two blade propeller sizes for the VM120: 30x12", 30x14" and 32x12". For aerobatics and glider towing the 30X12" is ideal. For big and slow flying vintage models, as is with Paolo´s Aeronca C3, the 32x12" is the best choice

We recommend Aral Ultimate 102, as the smell is not so penetrating and it can be stored without  deteriorating. It does not contain any Bio-Alcohol.

The fuel consumption is approximately 50% compared to that of a two-stroke engine with the same displacement.

Video VM-120 I2-4T Soundcheck


Specifications:

  • Capacity:  120 cc 
  • Bore:  47 mm 
  • Stroke:  35 mm 
  • Height to crankshaft center:  154 mm 
  • Length from engine mount to prop hub:  245.5 mm 
  • Engine weight: 4660 g 
  • including ignition:  4855 g 
  • Ignition voltage range:  4.8 - 9 V 
  • Propeller:  
    Fiala Prop 2-blade: 30x12", 30x14", 32x12"  

 

Valach Motors

Valach Motors


Company Fiala prop s.r.o., division Fiala Motors -  from year 2013 started also with four stroke motors as continuing not still existing company Valach Motors. Gradually began to expand  range of motors and in 2015 the motors are renamed to Fiala Motors. Valach Motors is still used for german company Toni Clark.
Now the range of motors contains one cylinder motors ( 60 and 70 ccm), two cylinder boxer motors ( 85,120, 140, 170 and 210), two cylinder inline motor 120 ccm, four cylinder 280 ccm,  five cylinder radial motor ( 250 and 420 ccm) and top is seven cylinder radial motor 800 ccm. Outside model use company Fiala Prop s.r.o. developed and put to market special UAV motors. It is 4-stroke boxer with electronic ignitron, electronic injection, electric generator and regulator. The power of generator  could be another  due to customer  order. This motor has  excelent suitability for a given application instance for example, that his ceiling is 5000 m above sea level and has an extremely low fuel consumption, allowing the device driven by this motor  lasted very long in the air without refueling .
 

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