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04 February 2018

It’s Electric!

Cars, trains, planes and motorcycles, is there any end to the many applications of electric vehicles? According to Michael Cresswell, motorcycles are the near-perfect application of electric drives with smooth acceleration, no fumes and a lot of fun! This is Mike’s version of the process of converting a gasoline Yamaha to electric in his own words and time frames. Bought Donor Bike Year 2000 Yamaha mid June 2016. Started De Icing straight away and ordering parts for the conversion. Update: December 2016. Been working on and off when time permits, just evenings and weekends, refurbing the donor bike where necessary (surprisingly little required really)
Designed and built battery box to fit 13 leaf modules, bit of a squeeze but they do fit in the frame, millimeter perfect!
Bought a Hydraulic Hand Crimping tool for the lugs on the 50mm 2 cables – a must have!! Fitted coolant Pump. Almost ready to power it up now. Update: 08/01/17 First motor runs on paddock stand successful! Update: 10/02/17 Just received my new V5 – My bike is now fully registered and classed as an electric vehicle! Painless process
that took just 3 weeks…. Good job done by DVLA for making it easy… Update: 19/03/17 Paint now finished and just the side fairings to go on. Insurance arranged from April 1st. MOT in 2 weeks time and we should be good
to go.Update: 02/04/17 Bike completed and first test run around the block. Just the MOT
this Saturday to go now. Managed to pull over 300amps on stock Kelly settings. Update: 08/04/17 MOT Passed, now fully street legal Update 03/05/2017 Hub motor bearing failed on first run out (40 miles) replace myself.
100 miles covered this week since repair and all good.Added variable regen braking via hall thumb throttle on left handlebar.Update: 25/05/17 Kelly Controller blew up spectacularly. New controller being sent by Kelly under warranty. Update: 26/10/17 New Controller was sent by Kelly back in June. Added second DC/DC converter that now just powers the controller. Have dialed the Kelly controller down to 60% max as I have zero confidence in the controller since the blow up. It has now done 600 miles, but every trip out has me thinking will I get back? Currently researching alternative to the Kelly. Extremely happy with the bike though. Excellent Michael and stay tuned for more electric machines!

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