Homemade Cyclone Dust Collection System

Part 8: Cost Analysis

by Steve Silca

Cyclone/Blower/Filter Assembly

I was fortunate not to have to pay for pop rivets, epoxy, or the foam that makes the seal at the top of the blower, the left end of the filter housing, and between the plastic viewer and the front of the filter housing.

$80  Motor, 5-HP compressor-duty, Harbor Freight, shipping free
$60   Cartridge filter, incl. shipping
$70   Impeller, 14”-dia., Jet, incl. shipping
$25  Sheet metal, 26ga galvanized
$13  Sheet metal for blower housing, 20ga galvanized
$20  MDF for blower and filter housing
$20   Assorted hardware for blower construction and mounting
$27   35-gallon drum, shipping free
$15  6” Flex hose for cyclone/drum connection and cyclone/filter housing connection
$10  Two 6” takeoffs for blower outlet and filter housing inlet
$5   Inlet transition HVAC adaptor
$5   7”x6” Reducer for the bottom of the cyclone cone

$350   Sub-total for Cyclone/Blower/Filter Assembly


Home Depot and Menards:
I spent a total of $221 at these two home centers. This got me all my 5” and 6” snap-lock pipe, adjustable elbows in the 5” and 6” size, hose clamps, several boots and take-offs that functioned as hoods, most of my reducers, and my tube of duct sealant.

This was the cheapest supplier I found for dust collection accessories. Remember, I only purchased items that I had to from these types of suppliers since the prices are quite high. I bought 12 6”x6”x6” wyes, a few reducing wyes, a couple 3”x2” reducers which aren’t available at home centers, three 3” blast gates, and two 5” blast gates. Unfortunately, this supplier set me back $425, including shipping.

This is the pinnacle of cyclone dust collection and accessories, as well as prices. I stayed as far away as possible from them! They do offer free shipping for orders over $50, though. So, from them I bought from them only items I couldn’t get from Kencraft. This included two reducing wyes which I couldn’t find at Kencraft (6”x6”x3”, and 6”x5”x3”), my 35 gallon drum (its cost is included in the cyclone cost), their 3”x2 ½” reducer to connect to the shop vac hose over the center bench in the shop, 10’ of their 3” flex for the radial arm saw and sanding center hook-ups, 10’ of their 5” flex for the drill press and surface planer, and 5’ of their 6” flex, half of which was used for the cyclone (and its cost is reflected there), and half of which was used to run to the router table (its cost is reflected here). As it applies to the ducting cost, I spent $170 at Oneida.

$221  Home Center
$425  Kencraft
$170  Oneida

$816   Sub-total for Ductwork

Electrical Components

As I indicated, I was able to get the 3- and 4-way switches for free, as well as the 10/3 flexible conduit. This probably saved me nearly $130.

$12  DPST relay with 24VAC input
$12  120VAC to 24VAC transformer
$10  18/3 thermostat wire that runs from switch to switch in the low voltage circuit

$34  Subtotal for electrical components

Grand Total

$350  Cyclone/Blower/Filter Assy.
$816  Ductwork
$34  Electrical Components

$1,200  Grand total

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© 2003 by Steve Silca . All rights reserved.
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