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

The Luna Wolf Pup Battery Pack

Aug 10, 20193 Comments

Last year, Luna Cycles produced a battery pack that was fully potted, and every cell is individually fused. They call it the Wolf pack. This

The Revel Propulsion Lightweight 450W Mid D...

Jul 27, 20192 Comments

This is a new product, but it’s coming from someone we have known for a long time. Paul Daniel was formerly an engineer at Brammo

Lee Iacocca and the EV Global electric bike

Jul 22, 20193 Comments

Lee Iacocca recently passed away, and even though he is more well-known for other things, he was also a pioneer when it came to ebikes.

Introduction to battery pack design and bui...

Jun 26, 20195 Comments

This third installment is mostly about the special considerations that are needed when building a high-amp battery pack, plus…I will list some of the products

Using an eccentric bottom-bracket adapter t...

Jun 22, 20192 Comments

Older bicycles (and many of the newer affordable style) do not use the common Shimano threaded cartridge bottom-bracket. Instead, they use a larger-diameter smooth tube

Ebike Pioneer Turbo Bob, RIP

May 02, 20195 Comments

Bob Bandhauer was a tirelessly enthusiastic promoter of electric bikes who lived in San Diego, southern California. Bob noticed that there were a lot of