The Engine
The three Bandini formula used the same engines which powered the two-seater sports the same period: Bandini-Crosley first and second series, although the duration of lesser races for single-seater allowed the use of modifications and adjustments "pushes" as an increase in the compression ratio or the use of alloy connecting rod.
- Positioning: forward longitudinal, 4-cylinder in-line
- Materials and particularity: base 5 media bench and sump of aluminium of 5 litres capacity, aluminium DOHC head with 8 valves inclined, cylinders dismantled in cast iron block.
- Bore: 63.5 mm (2.5 in)
- Stroke: 59 mm (2.3 in)
- Displacement: 747 cc (45.6 cu in)
- Compression ratio: 11.2:1
- Power: 2 twin-choke (two-barrel) Weber carburetors double body 35DCO3 horizontal or vertical
- Power: 66 to 73 hp 9000 rpm
- Lubricate: Carter with wet gear pump and filter external wire mesh
- Cooling: forced liquid with centrifugal pump controlled by pulley and belt, cooler on the front
- Gearbox and clutch: 4 speed+ RG, clutch single dry disc
- Ignition and electrical equipment: coil and distributor on the head, battery 12 V and generator
Read more about this topic: Bandini Formula Three
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