Benchwheel Penny Electric Skateboard

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Revision as of 18:37, 2 June 2017 by Ivc (talk | contribs) (Features)
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The Benchwheel Penny Board is a 28-in / 71cm single motor electric skateboard. The appeal is to make a battery powered penny board, actually this is the size of the Nickel board and made of wood instead of plastic.

The approx. range is 10km / 6 miles with a max. speed of 24kph / 15mph, but expect less if you don't upgrade to better quality parts yourself.

Features

  • Comes in two board designs: a classic look and a tech-look, both light-weight, resilient and durable
  • Excellent grip carved out grip at the board end for convenient carrying
  • Sturdy high-clearance metal box protects the batteries and electronics when going over rough terrains, the slim case design provides low-visible signature making the board appear non-electric
  • Large 80 mm high-speed PU wheels
  • 36 Volt 1000 Watt high-powered brush-less motor provides top speeds up to 24 kph / 15 mph featuring regenerative braking
  • Ergonomic 2.4GHz remote controlling driving modes (speed/energy saving) and direction, the controller employs sine-wave modulation allowing fine-grained speed control
  • Recharge the controller only once per week, conveniently on the mini USB charging port
  • 90Wh battery pack providing driving ranges of around 10 km / 6 miles, Samsung batteries cells with high discharge
  • 1.5 hour quick charging

Specifications

  • Released: January 2017
  • Re-branded boards: LiftBoard
  • Board: Bamboo and maple composite, tech model 3 layer bamboo + 2 layer fiber glass, classic model 7 layer maple + 2 layer fiber glass
  • Controller: Custom sine-wave modulation (FOV) controller (ESC), battery management and charger (BMS) - both separate boards
  • Battery: Lithium-ion 2.5Ah / 90Wh 10S1P 36V (10x3.6V) 520g XT60 connector, Samsung INR18650-25R M 20A discharge green 18650 cells
    • Upgrade: Samsung 30Q 3000mAh 15A / LG HG2 3000mAh cells for longer range, or Sony VTC4 18650 2100mAh 30A cells for better torque - 6USD ea
  • Charger: 100-220V AC input, 42V 2A output adapter with 3-pin plug
  • Motor: N5065 61x49.5mm Ø8 bore Ø30 mounting pattern 170kV 1000W 50A brushless motor
  • Wheels: PU 80x45mm 78A hardness - drive wheel has 8 spoke
  • Belt: HTD 225-3M 15mm?/13mm 75 teeth 225mm pitch length
    • Upgrade: SDP A 6R23M075150 3mm (HTD) Pitch, 75 Teeth, 15mm wide Single Sided Neoprene Belt with Fiberglass Cords - 9.90USD
  • Wheel pulley: 48T OD45mm ID36mm 3mm pitch 16mm wide grooves
  • Motor pulley: 16T OD16mm? ID8mm bore 3mm pitch 16mm wide grooves
  • Bearings: 8x 608-2Z OD22mm ID8mm 7mm wide NMB skateboard bearings
    • Upgrade: Zealous with integrated spacer 20USD, or Bones Reds ceramics 50USD, or Loaded Jehu (use in Boosted) 20USD
  • Remote: Two-speed (speed/energy saving), jog-stick (forward/reverse), 3-LED board battery level indicator, 800mAh LiPo battery, USB charging, nRF24L01+ based 2.4GHz transmitter and receiver module - reliable
  • Grip tape: Tech or Classic design
  • Case: Aluminium with RGB LEd light strip underneath
    • Upgrade: Better quality grip tape
  • Length: 70.9cm / 28-in
  • Weight: 4.8kg / 10.6lbs

Upgrades

  • Front and back LED ligths, mounts, reflectors
  • Belt cover - 3D printed
  • Current sensor, ESP current and voltage display
  • On-board web server with current and voltage chart history on OLED display/wireless OLED
  • External 2A USB power socket

Truck assembly

Front truck, regular assembly

Rear truck with motor, belt, pulleys and wheels - note: dual motor shown in drawing

Rear drive wheel

Hand-held remote control