Piaggio Boxer EV: Revised Bill of Materials

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Revised bill of materials (BOM) (dated 2009.09):

[moved to after the jump]

Base Unit Piaggio Boxer (1971)
- 50 cc 2-stroke internal combustion engine (removed)
Electric Motor HXT 80-100-B 130Kv Brushless Outrunner from United Hobbies
- link to new version of motor
- Tachs: 3000 rpm @ 24V nominal (4500 rpm @ 36v; 6000 rpm @ 48v)
- Max amps drawn: 100A @ 24V
- Max watts drawn: ~ 2500 watts
Electronic Speed Controller Castle Creations Phoenix HV-110 (link)
Throttle Magura 0-5K Potentiometer motorcycle twist grip throttle
Servo Tester (Pot to ESC) Boman Industries Polar-Matic PC-50 (ebay)
Power Monitor Cycle Analyst (link)
Batteries Currently SLA: 2 x SLA-35-12 Sealed Lead Acid Battery
- 2 x 12V @ 35A = 24V (30kph top speed)
- Range = 18 km (estimated)
- Soleil 75 watt 24v SLA charger

- 3 x 12V @ 35A = 36V (45kph top speed)
- Range = 18 km (estimated)
- 36 volt SLA charger

Future Plan: NiMH or Lithium Polymer or LiFe4Po
- 48V (50kph top speed)
Power Connectors - Anderson PowerPole 75A on main connections - link
- Anderson PowerPole 30A on sub connections - link
Wiring - 8 gauge stranded copper on main power lines and motor leads
- 12 gauge stranded copper on sub power lines
Lighting - Front lighting using high-power Luxeon LED
- Rear lighting using high-power red LEDs
Low Voltage (12/5VDC) Converters
  1. 12VDC converter using National Semiconductor LM2576HVT-12-ND buck-converter for fans and rear lighting
  2. 12 volt to 5VDC converter using MC34063 Based Switching Regulator for front lighting
  3. Quark Pro BEC 3A UBEC for servo tester / RC components
Things I burned out/destroyed
  • E-Sky EK2-0907 Servo Tester
  • Doc Wattson power monitor
  • ELF 100 ESC speed controller
  • Castle Creations Phoenix HV-110
  • Right index finger on burnt out ESC
  • Various burns and scrapes

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This page contains a single entry by Karen Nakamura published on September 1, 2009 5:20 PM.

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