Description
It is the Polini engine of the THOR family with the largest displacement and has a completely redesigned thermal unit, crankshaft, carburetor, air box, CDI and exhaust system to ensure better performance and safety in flight.
With its 38 horsepower at 8000 RPM THOR 303 is capable of offering more than 120 kg of static thrust with a 160 cm* propeller.
Consumption is only 3 liters per hour at 4500 rpm, which corresponds to about 30 kg of static thrust, the average value for level flight.
Polini engine: Single cylinder 2T
Cooling: Water
Displacement: 281 cm³
Power: 38 HP at 8000 rpm
Cylinder: Aluminum with Gilnisil coating
Carburetor: Dell’Orto VHST 28 mm
Air filter: Air box
Ignition: Electronic CDI with variable advance
Fuel: E5 gasoline or LL AV GAS-al with 2.5% 100% synthetic oil
Gearbox: Helical pinions in oil bath reduction 2.8 or 3.2
Start: FLASH STARTER (Electric start (optional)
Clutch: Centrifugal in oil bath
Silencer: Expansion with aluminum silencer
Engine weight: From 20.5 Kg (manual start + radiator)
