Loading...

DIY Hot-Wire Power Supply (Vid 1 of 2)

155,175 views

Loading...

Loading...

Transcript

The interactive transcript could not be loaded.

Loading...

Loading...

Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Uploaded on Aug 21, 2010

This is video 1 of 2 in my short series showing you how to build your own inexpensive, reliable, and safe power supply for heating the hot-wire for your foam-cutting equipment.

Here is the parts list for items used in this build:

MUST HAVE ITEMS:

From Radio Shack...

Enclosure (8"x6"x3", #270-1809)
Transformer (25.2v, 2 amp, #273-1512B)
Bind Post (#274-661)
Banana Plugs (#274-721)

From Lowes...

Lutron Dimmer Switch (#D-600PH-DK)
Nuts and bolts, or rivets for mounting components

Additionally...

An old AC power cord (2 or 3 prong) with appropriate plug

Optional Parts I Recommend (also from Radio Shack)

Fuse Holder (#270-364)
Fuse (250 volt, 2 amp, #270-1023)
120 volt Neon Lamp (#272-0704)

For more information on this project, tune in to TheCrashCast podcast (in iTunes, or at www.TheCrashCast.com), episode #82.

EDIT: A lot of people are sending me emails asking me technical questions about this design. Please note that I am NOT an electrical engineer and my knowledge in this area is quite limited. Following are the links to information that I based my design on:


http://www.instructables.com/id/Hot-w...

http://www.charlesriverrc.org/article...


http://www.utahflyers.org/index.php?o...

Now if you want a power supply with LOTS of power, and have the savvy to build it, then I highly recommend your building one of these:

http://www.nsrca.org/technical/tip_tr...

I have one of these and use it for all of my wire lengths about 28".

Here is where you get the best wire to cut foam with - Rene Wire

http://www.skykingrcproducts.com/acce...

Loading...

When autoplay is enabled, a suggested video will automatically play next.

Up next


to add this to Watch Later

Add to

Loading playlists...