Thor 250ccm mit E-Starter

€ 4.490,00 Standardpreis
€ 4.190,00Sonderpreis
Mit Pull Starter.
Bestell Nr.: 928.000.015


The brand new Polini THOR 250 features a liquid cooling system, that grants an extraordinary steady power output and better performance at every rpm.
The die cast light-alloy aluminium cylinder grants a better thermal stability. The liner with Nickel-Siliceous coating improves the piston sliding, its resistance to wear and abrasion. The piston, gravity cast at high silicon content light alloy, reduces thermal expansion and the coupling slack. The piston top design is specific to optimize the compression ratio. The advanced technology and the great performance of the new THOR 250 gives a better feeling when driving making the flight even more performing, dynamic, reactive, beside granting more stability. As its 200cc precursor, the THOR 250 too is provided with a balancing countershaft; this feature cancels the vibrations and guarantees such a driving comfort never felt during a flight and a better engine lasting. Polini Motori deeply directed its attention to the security matter. The THOR 250 is in fact provided with a centrifugal clutch entirely in oil bath, with a mechanical gear with helical teeth. The counter revolving rollers considerably decrease the upsetting torque-steer for a further flight comfort. The hand starter is easier thanks to the flash starter device, which speeds up and simplifies the movements. The THOR 250 engine distinguishes itself for many other advanced solutions, as, for example, the comfortable closed circuit system for the fuel recovery during transportation and the 12V way for any eventual electrical use. A version with electric starter is also available as optional. The engine has already confirmed its extraordinary performance features during the tests made on the test benches by the engineers of Polini Motori. The new THOR 250 engine adapts itself to various application types, as two-seat trikes, powered hang gliders, one-seat small three-axis, ULM motor-gliders.
  • Details

    TECHNICAL LIST
    POLINI THOR 250
    Polini Engine 2 stroke monocylinder
    Cooling Liquid cooled
    Bore for stroke 72 x 60
    Displacement 244 cm3
    Power 36 HP at 7500 R.P.M.
    Cylinder Aluminum with Gilnisil coating
    Compression ratio 11,5:1
    Piston Two chromium plated rings mm 1
    Intake Reed valve in the crankcase
    Carburetor Ø28
    Air filter Air box
    Ignition Electronic and with battery charger possible
    Battery charger prearrangement Output power 80 W at 5500 RPM
    Spark plug hood 5k Ω resistance
    Fuel type Lead free petrol with 2% synthetic oil
    Gear reduction unit Helical teeth in oil bath with 2,8 reduction ratio
    Starting (Electric starter optional) Pull start with self winding cable FLASH STARTER
    Clutch Centrifugal in oil bath
    Muffler Expansion with oval silencer
    Engine weight 18 Kg (19kg with electric starter) without radiator
    Propeller rotation Clockwise

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