Caleb Engineering, LLC

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Knurling Hand Tool

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by Caleb Engineering, LLC 3 weeks ago

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3:10 Knurling Hand Tool Caleb Engineering, LLC 294 views 3 weeks ago A quick demonstration of hand knurling a tube. The knurling tool can be purchased at McMaster Carr or similar locations.
7:05 LED Light Teardown - Current Control Using an SC34063 Caleb Engineering, LLC 188 views 4 weeks ago A look at the circuit used to control the current in an LED light. The schematic shown may or may not be correct, but I tried. The SC34063 is also known as the MC34063, a...
1:52 VAWT 035 - A new test site Caleb Engineering, LLC 398 views 1 month ago The VAWT is moved to a new location with better wind conditions for testing. Many thanks to Mr. Tom Lubbers for making the site available. Check out his awesome wood burni...
1:16 VAWT 035 - Lighting Application Wiring Caleb Engineering, LLC 243 views 1 month ago The VAWT is mounted to a short section of pipe along with a junction box, DC/DC converter, and LED light. The circuit board simply provides some overspeed protection in hi...
1:01 LiPo Light Partial Look Caleb Engineering, LLC 165 views 1 month ago A look at a partial circuit to be used in storing energy from the VAWT 035 and using it for LED lighting at night.
9:56 VAWT 035 - Lighting Application - Details Caleb Engineering, LLC 199 views 1 month ago Repurposing my control boards for LED lighting.
0:53 VAWT 035 - Lighting Demo Caleb Engineering, LLC 312 views 1 month ago A short demostration video showing the VAWT 035 lighting a 3 Watt LED light. It was flickering in this video, but I have seen it full on at other times; just not when I ha...
2:00 VAWT 035 - Overspeed Protection Redux Caleb Engineering, LLC 363 views 1 month ago A quick look at the overspeed control SCR firing with the zener diode as opposed to manual firing. For the record, the SCR would trip at around 34 volts.
14:57 VAWT 035 - Blade Construction Caleb Engineering, LLC 570 views 1 month ago Details on making the blades for the VAWT 035. Bagging supplies from: http://www.acpsales.com/Vacuum-Bagging.html Foam cores from: https://www.flyingfoam.com/ Fiberglass su...
2:54 VAWT 035 - Overspeed Protection Circuit Test Caleb Engineering, LLC 656 views 2 months ago A test of the overspeed protection circuit on the VAWT controller. If the turbine voltage reaches approx. 40 volts, an SCR triggers that shorts the rectified turbine outpu...

Caleb Engineering, LLC

A log of various projects that I am working on to retain my sanity while raising two kids.

Please note, I am not working on windturbines to save the planet. I work on wind turbines because they are an interesting technical challenge and can provide useful power to improve people's lives.

A log of various projects that I am working on to retain my sanity while raising two kids.

Please note, I am not working on windturbines to save the planet. I work on wind turbines because they are an interesting technical challenge and can prov...