Adding a second hub motor drive to an e-bike. My experience.
Thanks to:-
Wikipedia
Violamart Hub Conversion https://www.voilamart.co.uk/sports-outdoor/e-bike-conversion-kit.html
West Coast Electric Cycles video (they no longer seem to trade) https://youtu.be/B0JeeSEO_oI
Top source! Tony's experience an review (ebikechoices.com) of Violamart Kit https://ebikechoices.com/voilamart-ebike-conversion-kit-review/
Making it legal - my inspiration Andy Kirby (Essex!!) https://youtu.be/sq0UcTaSCQc?t=177
MSVA Test Entry point https://www.gov.uk/vehicle-approval/motorcycle-single-vehicle-approval
UK Electric bike licensing https://www.gov.uk/electric-bike-rules
Installing the first hub (with blood and sweat) https://youtu.be/vrP8QvPBh-M
Top source Tom Stanton - his great saga https://youtu.be/PPyHvkypKjo
Eastern Bloc Rabbit hole - brilliant! https://youtu.be/KMg0j63Jef4
VanMoof - £1800 of legal loveliness for men https://youtu.be/SEIrM7YvXSE (FullyChargedShow)
Impressive designs on FullyCharged https://youtu.be/qo6i5VcJ-ME
Q& A Forum https://bicycles.stackexchange.com/
Facebook
DIY e-bikes group https://www.facebook.com/groups/144951402623545/
Strictly Hub Motors https://www.facebook.com/groups/2137184879932374/
ebike Enthusiasts https://www.facebook.com/groups/1557534354520788/
e-bikes UK https://www.facebook.com/groups/2233874716836379/
ebikesussess https://www.facebook.com/groups/ebikesuccess/
More visual details:-
https://youtu.be/wRyYi1SQm5s