All posts by spinningmagnets

Grew up in Los Angeles California, US Navy submarine mechanic from 1977-81/SanDiego. Hydraulic mechanic in the 1980's/Los Angeles. Heavy equipment operator in the 1990's/traveled to various locations. Dump truck driver in the 2000's/SW Utah. Currently a water plant operator since 2010/NW Kansas

Custom Build Gallery, the Laprise Boardtrac...

Sep 29, 20173 Comments

This tribute reproduction of a vintage board-track racer really impressed me, and it is one of the most exciting ebikes I’ve had the pleasure of

The DIY Junkyard E-BMX Friction Drive

Jul 30, 2017No Comments

I have seen youtube videos on a regular basis that show an old cordless drill being used as a drive-motor for a small bicycle. I’ve

What’s inside an 18650 cell? And why ...

Jul 26, 20172 Comments

There has been a boom in ebike builders making their own battery packs out of the popular 18650-format cells (18mm diameter, 65mm long), and I

Lost Sierra Electric Bike Festival 2017, an...

Jul 15, 20171 Comment

EcoBikeAdventures.com hosts rides in the mountains of central California, and they sponsored a fantastic annual event called the “Lost Sierra Electric Bike Festival”. When the

My INSANE 3300 Watt, 84 Volt, ERT-Kitted BB...

Jul 10, 20172 Comments

One thing I can tell you for sure about the ERT External Sinewave Controller Kit: don’t take it through airport security. ______________________________ by Patrick M.

Custom Build Gallery, Richards’ Tango...

Jul 07, 2017No Comments

This Ruff Cycle “Tango” framed Cruiser has a simple drive system, but…it is the style and accessory choices that the owner made…which make it such

Parenting Tip #42: Electric Bikes Are Good ...

Jul 06, 20171 Comment

While selling my old e-bike build on Craigslist I had a very nice mother contact me looking for more information on my ebike and on

DIY 18650-cell battery-pack building KITS, ...

Jun 21, 20171 Comment

Recently, we have seen several kits for assembling a battery pack out of 18650 cells. Here are some examples, so you can see if that

The New 21700 format Lithium Cells in 2017

Jun 16, 201714 Comments

EDITOR NEWS UPDATE OCTOBER 2017: Luna Cycle  has just announced their flagship ebike the Luna Apex which has 52v 28ah in a carbon case comprised

Custom Build Gallery, Patrick’s RC mi...

Jun 02, 20171 Comment

Patrick is a university engineering student from the Netherlands. Seven years ago (in 2010) he began posting on endless-sphere, asking questions, and building up custom ebikes…with