Osprey2

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OSPREY ( Open Source Production Electric bicYcle ) is a project to help you create your own electric bicycle using parts easily available on eBay or local hardware shop.

Why do it?
This project has been created to help those who would create something that is practical while also being easily repairable using local source parts and easy to use tool.

Some things you need and caveats ( warnings and limitations on use ) first you must accept that there is no liability inferred or otherwise to the information or processes given on these pages.



 Part .................................................Description ................................... Location of part (eBay, Hardware)
......................
 Cost (AUS about 90 cents US)
.......................
 BikeDunlop brand with back freewheel gear or other bike that has a nice v space in the frame and 2 or more gears at the crank arm see picture)  KMart or local bike shop  100 to 200 $
 Pillow Block Bearing 25 internal diameter bearing mount for rear axle eBay (China) 15 $ from china ( free delivery )
  Drill 16mm with 12.5 mm shank Hardware ( mitre10 half price sale) 16 $ 
local pickup
 Bushing material 24 mm external diameter 15 mm internal Machine shop offcuts ( eBay store ) 15$ 10$ delivery
 Motor 24 Volt 250 watt motor with internal planetary gearing to increase torque eBay (China) 170 $
 Batteries24 Volt 10 AH ( amp hours )  SLA (Solid Lead Acid battery )
 eBay (Australia) 50 to 100$
Gear wheel and crank
 if needed
 Usually avail from local bicycle recycle group Waterloo bike group donation
 Crank arm nut tool to remove crank arm (aka red tool ) Local bike shop 20 $
    
    
    
    
    
    
    
    
    
    
    

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