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7th December 2019, 01:49 AM #16New Member
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- Mar 2019
- Location
- California USA
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- 60
- Posts
- 7
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7th December 2019 01:49 AM # ADSGoogle Adsense Advertisement
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- Always
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- Advertising world
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- 2010
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7th December 2019, 08:52 AM #17SENIOR MEMBER
- Join Date
- Jun 2009
- Location
- Elizabeth Bay / Oberon NSW
- Age
- 76
- Posts
- 934
Tell me about it. So far I've constructed a 3x3 purpose built shed, bought the best dusty available, spent a small fortune on PVC pipes and fittings, redesigned the layout of my equipment for the most efficient airflow and am now preparing to install it all. I daren't add up the cost but it must be approaching $7k. Maybe I should start a thread...
mick
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7th December 2019, 09:14 AM #18
At 6AM today north of Brisbane. AQI was extremely bad due to bushfires yesterday and overnight, I still went for my morning walk but had a basic smoke mask on.
CF=1 ug/m3
PM1 120
PM2.5 170
PM10 174
A few hours later in my AirCon closed workshop and similar in the house:
PM1 = 60
PM2.5 = 88
PM10 = 92
AQI index for PM2.5 = 167 - Unhealthy.(1) Our small workshop layout __ (2) Bandsaw circle cutting jig __ (3) Spindle sander modifications __ (4) Dust Sensor
(5) Router table redesigned ____ (6) DC and where it all began __ (7) Bandsaw dust extraction build
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7th December 2019, 09:16 AM #19.
- Join Date
- Feb 2006
- Location
- Perth
- Posts
- 27,790
Unless you are turning or sanding 40 hours a week there's no need to spend $7k on fine dust control in a 3 x 3 m shed.
For the average weekend warrior a modified 2HP DC located outside the shed, or sealed inside an enclosure and vented outside the shed , 6" ducting, modified machinery, and a couple of exhausting fans would be more than enough.
Current home office PM2.5 and PM10 are <3 µg/m3
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7th December 2019, 09:28 AM #20Those were the droids I was looking for.
https://autoblastgates.com.au
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7th December 2019, 09:31 AM #21.
- Join Date
- Feb 2006
- Location
- Perth
- Posts
- 27,790
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7th December 2019, 09:37 AM #22
One would need to ask Mick that but I assume there is a compressor in there and I think a steam generator.
Those were the droids I was looking for.
https://autoblastgates.com.au
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7th December 2019, 09:45 AM #23.
- Join Date
- Feb 2006
- Location
- Perth
- Posts
- 27,790
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7th December 2019, 06:02 PM #24SENIOR MEMBER
- Join Date
- Jun 2009
- Location
- Elizabeth Bay / Oberon NSW
- Age
- 76
- Posts
- 934
Thanks for clarifying NC. The 3x3 shed would not exist if I hadn't proceeded with the ClearVue and fixed pipes. Having been made aware of the noise generated, I built the small shed 300mm off the rear wall of my main workshop. The space between the studs will be filled with pink batts and the walls lined with AngelStep 484 acoustic insulating sheets after the pipes and wiring have been completed.
The siting of the steam generator made sense as an after thought. It's right next to the water tank and well away from my tools. The dusty itself was about $3800, pipes, flexi, fittings and purlin about $1000, electrical circuits and moving lights say $400, VFD $300?, plus the shed and pad about $1500 less whatever notional cost I put on the steamer. I do have a compressor but never use it for woodwork.
I'm sure it can be done for less cost but I don't begrudge the expense and think the final result will be well worth it.
mick
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12th December 2019, 10:03 AM #25SENIOR MEMBER
- Join Date
- Jun 2009
- Location
- Elizabeth Bay / Oberon NSW
- Age
- 76
- Posts
- 934
A quick update on the costs so far. I just bought 10m of transparent 150mm PU Flex pipe with copper reinforcing and 5m of 100mm. The price? $1250 before I was offered a 30% discount. The supplier was Ezi Duct in Sydney. I know I could've taken the cheaper PVC option but I didn't. I've generally found quality items prove to be more economical in the longer term.
mick
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12th December 2019, 01:23 PM #26.
- Join Date
- Feb 2006
- Location
- Perth
- Posts
- 27,790
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12th December 2019, 01:43 PM #27GOLD MEMBER
- Join Date
- Jun 2005
- Location
- Helensburgh
- Posts
- 7,696
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12th December 2019, 02:31 PM #28.
- Join Date
- Feb 2006
- Location
- Perth
- Posts
- 27,790
Actually its the other way around.
Whatever flow a DC/duct/flexy combo has with any flexible PU hose it always generates greater flow with stiffer hose.
The stiffer the better, with the ultimate stiff hose being a solid duct,
The more pressure the DC can generate the more significant the difference in flow.
Going to the other extreme, the flow generated by 2HP DC using 100mm hose won't make much difference whether it's using stiff or soft hose.
There are reasons for using highly flexible hose but if you want max flow performance then the stiffer hose wins every time.
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12th December 2019, 03:01 PM #29
Just for costings -
Home oxygen concentrator $1500
Portable oxygen concentrator $4900
External charger $330
Living the remaining bit of your life at the end of a 10m oxygen hose - Priceless
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12th December 2019, 04:49 PM #30GOLD MEMBER
- Join Date
- Jun 2005
- Location
- Helensburgh
- Posts
- 7,696
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