Please be patient as this information storage will be organized over time. Any moderator may feel free to unlock and expand/re-arrange/improve as you see fit...
troubleshooting video for hall sensors, very detailed
https://www.youtube.com/watch?v=tnsxs4Hz2Dw
"(Yet Another) DIY Pre-charge/Kill-switch/Power Isolator" serious_sam, one page
https://endless-sphere.com/forums/viewtopic.php?f=2&t=105110
"Making a DIY fender with fiberglass", Mattycii
https://endless-sphere.com/forums/viewtopic.php?f=2&t=49927#p805265
"Definitive Tests on the Heating and Cooling of Hub Motors" (justin_le, 23 pages [includes links to many oil-cooling/ventilating-sideplates threads])
http://endless-sphere.com/forums/viewtopic.php?f=2&t=48753
"Oil cooling your hub- NOT snake oil!" (spicerack, 23 pages)
http://endless-sphere.com/forums/viewtopic.php?f=2&t=37972
"RUST: DIY Hub Motor Repair & Restoration"
https://endless-sphere.com/forums/viewtopic.php?f=30&t=34135
"Temp sensor that's too cool not to share" (Auraslip, 4 pages)
http://endless-sphere.com/forums/viewtopic.php?f=1&t=25502
"Torque Arm Picture Thread" (auraslip, 6 pages)
http://endless-sphere.com/forums/viewtopic.php?f=2&t=26444
"Using 16/17/18/19-inch moped rims on large DD hubmotors" (spinningmagnets, one page [plus many links to other threads])
http://endless-sphere.com/forums/viewtopic.php?f=2&t=69104&p=1048226#p1048226
"Cycle Analyst V3 - Unofficial User Guide / User Manual" (Teklektik, link from the middle of 111-page CA thread)
http://endless-sphere.com/forums/viewtopic.php?f=4&t=37964&start=225#p571345
"DIY custom frames, home carbon-fiber method simplified" (spinningmagnets, 3 pages)
http://endless-sphere.com/forums/viewtopic.php?f=2&t=10906
"Dropout Failure Experiments, and a call for Fork Donations" (justin_le, 8 pages)
http://endless-sphere.com/forums/viewtopic.php?f=2&t=14195
"Lebowski's motor controller IC, schematic and setup manual" (Lebowski, 48 pages)
http://endless-sphere.com/forums/viewtopic.php?f=30&t=36602
"The wheel-building spoke-lacing thread, post your tips" (spinningmagnets, 5 pages)
http://endless-sphere.com/forums/viewtopic.php?f=2&t=64324
"Using Reed Switches For E-Brakes" (rkosiorek RIP, one page with more links)
http://endless-sphere.com/forums/viewtopic.php?f=16&t=11760
"Science, Physics, Math, & Myth" (Kingfish, 8 pages)
http://www.endless-sphere.com/forums/viewtopic.php?f=2&t=64907
"The ol Wineboy horn button regen trick" (dogman 2 pages)
https://endless-sphere.com/forums/viewtopic.php?f=3&t=59411
"Analysis of regen on an ebike" (Justin LE, Grin Tech)
https://endless-sphere.com/forums/viewtopic.php?f=2&t=7891
"Plug Braking"
https://endless-sphere.com/forums/viewtopic.php?f=2&t=3342
"Linear Regen Braking for On/Off Regen Controllers" (Amberwolf, one page)
https://endless-sphere.com/forums/viewtopic.php?f=2&t=17584
"Anderson connector technical information thread" (Amberwolf, one page)
https://endless-sphere.com/forums/viewtopic.php?f=2&t=17969
"2019 16" moped/scooter tire pop-off: which is the most puncture proof?" (Neptronix, one page)
https://endless-sphere.com/forums/viewtopic.php?f=2&t=97992
"Adding a resistor/potentiometer inline with throttle to limit power and top-speed"
https://endless-sphere.com/forums/viewtopic.php?f=2&t=99894
troubleshooting video for hall sensors, very detailed
https://www.youtube.com/watch?v=tnsxs4Hz2Dw
"(Yet Another) DIY Pre-charge/Kill-switch/Power Isolator" serious_sam, one page
https://endless-sphere.com/forums/viewtopic.php?f=2&t=105110
"Making a DIY fender with fiberglass", Mattycii
https://endless-sphere.com/forums/viewtopic.php?f=2&t=49927#p805265
"Definitive Tests on the Heating and Cooling of Hub Motors" (justin_le, 23 pages [includes links to many oil-cooling/ventilating-sideplates threads])
http://endless-sphere.com/forums/viewtopic.php?f=2&t=48753
"Oil cooling your hub- NOT snake oil!" (spicerack, 23 pages)
http://endless-sphere.com/forums/viewtopic.php?f=2&t=37972
"RUST: DIY Hub Motor Repair & Restoration"
https://endless-sphere.com/forums/viewtopic.php?f=30&t=34135
"Temp sensor that's too cool not to share" (Auraslip, 4 pages)
http://endless-sphere.com/forums/viewtopic.php?f=1&t=25502
"Torque Arm Picture Thread" (auraslip, 6 pages)
http://endless-sphere.com/forums/viewtopic.php?f=2&t=26444
"Using 16/17/18/19-inch moped rims on large DD hubmotors" (spinningmagnets, one page [plus many links to other threads])
http://endless-sphere.com/forums/viewtopic.php?f=2&t=69104&p=1048226#p1048226
"Cycle Analyst V3 - Unofficial User Guide / User Manual" (Teklektik, link from the middle of 111-page CA thread)
http://endless-sphere.com/forums/viewtopic.php?f=4&t=37964&start=225#p571345
"DIY custom frames, home carbon-fiber method simplified" (spinningmagnets, 3 pages)
http://endless-sphere.com/forums/viewtopic.php?f=2&t=10906
"Dropout Failure Experiments, and a call for Fork Donations" (justin_le, 8 pages)
http://endless-sphere.com/forums/viewtopic.php?f=2&t=14195
"Lebowski's motor controller IC, schematic and setup manual" (Lebowski, 48 pages)
http://endless-sphere.com/forums/viewtopic.php?f=30&t=36602
"The wheel-building spoke-lacing thread, post your tips" (spinningmagnets, 5 pages)
http://endless-sphere.com/forums/viewtopic.php?f=2&t=64324
"Using Reed Switches For E-Brakes" (rkosiorek RIP, one page with more links)
http://endless-sphere.com/forums/viewtopic.php?f=16&t=11760
"Science, Physics, Math, & Myth" (Kingfish, 8 pages)
http://www.endless-sphere.com/forums/viewtopic.php?f=2&t=64907
"The ol Wineboy horn button regen trick" (dogman 2 pages)
https://endless-sphere.com/forums/viewtopic.php?f=3&t=59411
"Analysis of regen on an ebike" (Justin LE, Grin Tech)
https://endless-sphere.com/forums/viewtopic.php?f=2&t=7891
"Plug Braking"
https://endless-sphere.com/forums/viewtopic.php?f=2&t=3342
"Linear Regen Braking for On/Off Regen Controllers" (Amberwolf, one page)
https://endless-sphere.com/forums/viewtopic.php?f=2&t=17584
"Anderson connector technical information thread" (Amberwolf, one page)
https://endless-sphere.com/forums/viewtopic.php?f=2&t=17969
"2019 16" moped/scooter tire pop-off: which is the most puncture proof?" (Neptronix, one page)
https://endless-sphere.com/forums/viewtopic.php?f=2&t=97992
"Adding a resistor/potentiometer inline with throttle to limit power and top-speed"
https://endless-sphere.com/forums/viewtopic.php?f=2&t=99894