I miss building the big boat anchors ... so when I needed a fume extractor, I thought to build it myself. The store-bought models are nice, but it's more fun this way!

These images are part of a web page that's not yet built, but since the issue is here and now ... these are links to the images:

http://wilcoxengineering.com/images/PipeSmall127.jpg
http://wilcoxengineering.com/images/PipeBig127.jpg

http://wilcoxengineering.com/images/FanSmall128.jpg
http://wilcoxengineering.com/images/FanBig128.jpg

What is it?
A trip to Lowe's got me 3" flex pipe about 3' long, and elbow at the end to point at my soldering project, and a expansion from 3" to 4" to bolt onto a box. The box is heavy plastic about 7x10x4" from K-Mart. Old 110V muffin fan that I had in the junk box. The air goes out of the box via activated carbon filter (less than $5) that's used on the typical extractors you can purchase.

The fan box is on top of some foam to cut down conducted vibration noise. I put some foam in the box to make quieter. When running, the primary noise is the movement of fumes into the pipe.

Not pretty, but it works!

73, Alan

--
Alan D. Wilcox, W3DVX
570-321-1516
http://WilcoxEngineering.com
Williamsport, PA 17701
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