UTSME15: Juliet

UTSME15: Juliet was our team’s first ever electric vehicle.

Overall result: 24th out of 30 participants.

Power 70kW (@ 7000 rpm)
Torque 120 Nm (@ 0 rpm)
0 – 100 kph 3.8s
Cornering capability 1.6 G
Weight
234 kg
Wheelbase
1525 mm
Track (f/r) 1125 mm/1100 mm
Weight Distribution (f/r) 50/50
Chassis Hybrid aluminium honeycomb monocoque and rear Cro-Moly spaceframe
Motor Enstroj Emrax 228
Controller Unitek Bamocar D3
Cooling System
  • Aluminium Radiator
  • Electric water pump
Accumulator 108 x A123 3.3V 400A Cells
Battery Management System
Lithiumate
Transmission 3.16 ratio chain drive
Differential Hollow aluminium spool
Axles and tripods
  • 4130 Cro-Moly axles
  • Taylor Race tripods
Suspension
  • Dual Wishbone (f/r)
  • Direct acting (f/r)
Unsprung
  • Machined aluminium uprights
  • Machined aluminium (4 stud) spindles
  • 2.5mm forged aluminium rims (13”), machined aluminium centres
Springs & Dampers
  • Coil springs
  • Ohlins TTX25 dampers
Electronics
  • Motec PDM15
  • Motec CDL3 dash
  • Custom loom
Steering
  • Rack: centre mounted (6.4/1)
  • Carbon fibre steering wheel
  • Steering column: universal joint, fabricated mounts
Pedal Box
  • Fabricated sheet steel
  • Fabricated aluminium base
  • Adjustable position
Brakes
  • Master cylinders: AP Racing CP7A55 14mm
  • Brake bias: driver adjustable
  • Front brake calipers: Wilwood 2 Pot
  • Rear brake calipers: Wilwood 2 Pot
Tyres Hoosier 20.5×7-13 R25B
Bodywork
  • Carbon fibre nose cone
  • Carbon fibre side pod
Impact Attenuator Aluminium honeycomb
By | 2017-07-20T15:47:57+00:00 December 1st, 2015|Cars|0 Comments

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