Thor 80

2,879.39$ Taxes incl.

An even more improved, modern, innovative engine, with an original and advanced air filter, especially planned to exploit the power at best and fully optimize the performance of the smallest paramotor produced by the factory in Bergamo.

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Description

An even more improved, modern, innovative engine, with an original and advanced air filter, especially planned to exploit the power at best and fully optimize the performance of the smallest paramotor produced by the factory in Bergamo.

The project of the updated Polini Thor 80 was born by the precise will to match its unbelievable power and compactness features to its extraordinary weight/power ratio, as well as its thrust and upward potential.
The original air filter stands out for its modern, carbon look design, with very compact dimensions. If compared to the previous air filter, the new one reduces the noise. The filtering element has an advanced technology, to ensure maximum air cleaning features during the aspiration.
The main feature of the Thor 80 engine is the new carburetion setting, which ensures a more homogeneous and linear power output at every rpm.

The extreme care and clarification of the details characterizing the engine Polini Thor 80 start with the reduced dimensions and the absolute compactness of the engine, which only weights 11,4 kg. The liquid cooling system has been developed to ensure the maximum temperature uniformity during the flight. The radiator with very compact dimensions and the unique drawing of the air grill ensure the best cooling features. This special pipe and the radiator are integrated and fixed directly to the engine. The system has a forced cooling with a valve directly on the crankshaft. The circulation of the cooling liquid is ensured by a pump on the reduction group.

Polini Thor 80 has an aluminium cylinder, a displacement of 86cc and a power of 18 hp for 10450rpm. The barrel has a nickel-siliceous coating, extremely resistant to wear and abrasion. The light alloy gravity-cast piston at high siliceous content has 2 chromed piston rings of 1 mm. Bore for stroke 50 x 44 mm and compression ratio 14:1. The fuel system has a Polini CP carburetor Ø21mm. with manual pump for the refilling of the fuel circuit. Integrated on the engine support, it makes this function easier by keeping minimal overall dimensions. The fuel system has also a tank for the fuel recovery. This feature allows to empty the fuel from the bowl, in order not to have losses and make transport easier. As an alternative, the Walbro WG8 carburetor is available. The Thor 80 has a dry clutch, reduction ratio 3,58 with helicoidal teeth gears in oil bath. These features grant a higher safety during the pre-flight phases.

The exhaust system has been realized to reduce its dimensions at minimum and keep the noise level low through the round light alloy silencer. The updated Thor 80 has been enriched by many details, such as the silentblocks, which, in order to reduce the weight more and more, have been produced in a special ERGAL ultra-light alloy. The engine is delivered with CHT sensor to measure the temperature. The Thor 80 fixing points to the frame are the same for all the range of the Polini Thor on sale. As optional, the tool for the temperature measure, rpm and counter and the manual throttle with lever handle are available. All the Polini Thor engines, before being shipped all over the world, are tested on the bench tests, in order to ensure their perfect functioning.

100% Made in Italy

Specifications

Polini engine 2-stroke monocylinder
Cooling Liquid cooled
Bore for stroke 50×44
Displacement 86 cm3
Power 18 HP
Max trust* 62 Kg with Ø 130 cm propeller
R.P.M max 10.450
Cylinder aluminum with Gilnisil coating
Compression ratio 14:01
Piston Two chromium plated rings (mm 1)
Intake Reed valve in the crankcase
Carburetor CP Polini Ø21 – Walbro WG8
Air filter Air box
Ignition Electronic
Spark plug hood 5k Ω resistance
Fuel type** E5 petrol or LL AV GAS-al with 2,5% synthetic oil 100%
Consumption* 2,7 Lh 30 Kg of static trust
Gear reduction unit Helical teeth in oil bath with3,58 reduction ratio
Starter Flash starter
Clutch Centrifugal (wet)
Muffler Expansion with aluminum silencer
Engine weight 11,4 Kg (with radiator)
Propeller rotation Clockwise

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