STORIES | engineerable

How To Hand Pump Water From A Deep Well

Traditional well water hand pumps were designed to pump water out of shallow wells less than about 25ft deep. These shallow well pumps...

How To Upgrade Power Wheels Battery With Lithium LiFePO4 Replacement Battery

The stock lead acid battery that comes with Power Wheels ride-on cars for kids is weak and often dies. A better replacement is a Lithium...

How To Make An Electric Bike For Kids (Kids eMTB) that has torque sensing mid drive and is lightweight

BIKE The build will start with a TREK Roscoe 20" mid-fat kids bike. The goal is to have a lightweight electric bike that is...

Do IDECH Power Rotary Scissors Work With Cordless Electric Weed Eater Trimmer?

I wanted to use the IDECH Power Rotary Scissors with the Expand-It universal-style attachments that Ryobi uses on a Ryobi 18V brushless...

BEST GEL BLASTER BUNKERS (Also for Airsoft, NERF, Paintball Arrowsoft Archery)

When your playing gel blasters, airsoft, NERF, paintball, or arrowsoft archery in an open area with no cover, it's nice to have some...

Review and Teardown of SUNRICH ENERGY $209 Cheapest (Low Cost) Self-Heating LiFePO4 100Ah Battery

Self-heating LiFePO4 batteries are necessary for use in non-climate-controlled areas that go below freezing. Charging LiFePO4 batteries...

How To Install PLUSNUTS In Sheet Metal

Rivnuts (rivet nuts) are the most popular way to add threads to sheet metal, but in mobile applications like the sheet metal on a vehicle...

How To REPAIR FLOWTRON BUG ZAPPER After Electric Grid Fails and Stops Zapping

The Flowtron bug zappers I've had always die after 1-2 years of use. The coil burns up and it stop zapping. I found a zapper replacement...

How To Charge Starter Battery From House Battery And Solar Panel System for RV, Van and Camper

HOW TO CHARGE THE STARTING BATTERY FROM THE HOUSE SOLAR PANELS (OR HOUSE BATTERIES) OF AN RV Ok, so we're successfully keeping the house...

Solar Power + House Battery Charging System + Starter Battery Charging for RV, Camper, and Van

It's time to upgrade the solar power and house battery charging system. Technology has improved since I first installed it and the charge...

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