Lancia Epsilon / 20/30 HP (1911 - 1912)

Details
Layout Front-engine, rear-wheel-drive
Powertrain
Engine 4,080 cc I4 (petrol)
Transmission 4-speed manual
Dimensions
Wheelbase 2,740, 2,932, 3,227 mm (107.9, 115.4, 127.0 in)
Width 1,615 mm (63.6 in)
Kerb weight 900–990 kg (1,984–2,183 lb)

 

  • Engine : Type 58  ; front engine , longitudinal, in- line 4 cylinders, monobloc (cast iron), bore mm 100, stroke mm 130,total displacement cm³ 4084.07, fixed cylinder head, crankcase in aluminum alloy , parallel lateral valvetiming(2 valves per cylinder) controlled by alateral camshaft (in the crankcase) driven by gears ; crankshaft on three supports; compression ratio 5: 1, maximum power 60 CVat 1,800 rpm; feed by pump (driven by the camshaft) with single-body vertical carburettor Lance with 2 nozzles; high voltage magnet ignition ( Bosch ) with manually adjustable advance value; forced lubrication, with pump; capacity of the lubrication circuit 8 liters; water cooling , forced circulation, finned tube radiator, mechanical fan;
  • Transmission  : shaft with cardan joints, traction on the rear wheels; multi-plate clutch in oil bath; 4-speed gearbox ( light alloy box) plus reverse with side lever control; gear ratios: 3.891: 1 in first, 2.381: 1 in second, 1.618: 1 in third, direct drive (1: 1) in fourth, 3.268: 1 in reverse; final reduction ratio (bevel gears) 3,267: 1 (15/49) or 3,600: 1 (15/54)
  • Suspensions  : front with rigid axle and semi-elliptical longitudinal leaf springs, rear with rigid axle with longitudinal leaf springs with 3/4 ellipse
  • Brakes : foot brake (mechanical) acting on the transmission and hand brake (mechanical) acting on the rear wheels
  • Wheels and tires : Spoked wooden wheels(on request: tangent spoke wheels) 820 x 120 tires
  • Steering : right-hand drive position; steering screw and wheel.
  • Fuel tank : 70 liters capacity
  • Frame : steel , with side members and cross members; wheelbase 322.7 cm, front track 133 cm rear track 133 cm; frame length 420 cm, frame width 161.5 cm; weight of the frame, in running order, 920 Kg
  • Performance : maximum speed (with the longest gear ratio) approx 115 km / h (max speed in the various gears: 30 in 1st, 48 in 2nd, 71 in 3rd, about 115 in 4th)

Lancia Epsilon on Wikipedia


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