neptronix: Thanks! He made another 40 km commute to school and topped 52 mph. Starting to get friends interested and wanting to do the same...seems automatic since Germany limits driving age to 17.5 year old for automobiles.
Well, a large pot hole resulted in a 'cracked' battery pack and no juice. 4 mile ride home under pedal power took a bit longer than desired.
Close Up:
A new copper / nickel pattern had to be cut and spot welded in.
Also, had some assistance with derailer adjusting and with the...
Additional miles resulted in the identifying a worn drivetrain from the several year old Trek - ridden on technical, sandy trails of Florida...chain either skipping over the rear sprocket and/or in the lower gears (smaller) cross-chaining to point of jamming in the front chain ring...some due to...
Apologies for the delay in additional info...update the original post with all the parts.
Comment on the BAC mount - can't say enough good for High Voltage folks - went back and forth over 4 times to confirm the fitment of the 3D printed mount. To ensure the fit snuggly against the Trek Marlin...
In an effort to possibly help others...please find the following as a short story of 5 months of research and building an E-bike to gain freedom for a young assistant looking for transportation in a foreign land that doesn't allow automobile licensing until age 18 (Germany).
The sacrificial...
Greetings - first post!
Possibly this may help others
My young assistant upgraded his 6-year old Trek Marlin 5 with a CYC X1 Pro Gen II kit along with a ASI 2000 controller and 72V 20 AH power.
He worked on it for 5 months over winter and was anxious to try it out.
Right off the bat, Error...