ENGINEERABLE

2026 UPDATE! I'm now mainly using the following two-stage process to rapidly inflate multiple paddleboards. When we go out on the water with family and friends, I inflate anywhere from 2 to 6 paddleboards. Use a cordless high-volume blower to rapidly fill the paddleboard's bulk air volume until it is fully inflated, but not yet pressurized. This gets the first step done so much faster than any single electric pump I have seen. Use a high-pressure, 2-stage SUP pump to pressuri

After weeks of trying on and off to upgrade one of the Dell Precision T3600 computers in our office from Windows 7 to Windows 10, I finally

How to build a dust collection shoe for the Tormach CNC milling machine, and other (bridgeport style) machines that have a similiar style sp

I'm assembling a camera rig for shooting video using the iPhone (or Android smartphone), and need dual channel (stereo) mic inputs. By default, the audio jack on these phones is 2 channel out, one channel in (TRRS type connector). So it's only possible to have mono input if using the headphone jack. Therefore, the only way to get stereo input is to use the digital input, Lightening or Micro USB connector, on the phones. I've found several such devices that allow for mixing 2

The AGM house batteries in my Sprinter based RV are starting to perform very poorly. It's time for an upgrade, and I don't want to go the AGM lead acid route again. I've been keeping an eye out on LiFePO4 batteries because 4 cells in series works well with a standard 12V DC system. An eBay seller had an interesting packaging for a 12V 100Ah pack. He was putting them into metal ammo boxes PA-19, and including a balancer and a battery voltage meter. Specs for the PA-19 ammo

FidgetBot was built as an interesting attention grabbing display for a tradeshow. It's a balancing robot that is remotely controllable from a phone app. Watch the video to check out what Fidget Bot can do.

We experimented with using a FocusShifter follow focus on the DSLR CAT Rig. It works quite well, even with the long focal travel of the 70-2

The DSLR Cat is designed to move the weight of the camera back and over the shoulder, thus making a more well balanced rig that requires...

Note: This tutorial shows how to make the DSLR CAT frame using the DIY method. Before cutting, and wasting pieces of nice wood, I tested out

Note: This tutorial shows how to make a handle grip using the DIY method.The handle grip is printed using a 3D printer. Cut a 200mm piece of