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The twin speed motor, you still have to wire this manually for control? Room thermostat is basically what I am using, but its digital. I am thinking using speed control I will have more 'finer' control during warmer and cooler months and even warmer and cooler days.

Lucky I have a NZ electrical licence........have not worked in that industry for years. My fan will be bringing fresh air from outside, dumping outside during warmer days, then switch to your suggestion during colder months to dump the warmer vented air into the mass of the room to stabilize...

You chop the plug of the end of the appliance and wire phase and neutral to the controller. Supply power from a extension lead with the female end cut off and wired into the controller.

http://www.ebay.com/bhp/stc-1000

The kiwi controller has a ramping system built in - so on turn on - it always ramps to full then ramps down to the selected speed. But as these controllers adjust the sine wave and not voltage - they hum, very annoying. As for fire - yes, always a fire extinguisher handy. In NZ we can buy...

Could be a reason why - blow air from the porcelain end due to the wiring connections get colder air first - no chance of overheating those connections..!

Which way and why ? A simple hood, at one end is the porcelain holder and wiring connections, the other end is open Which way would you vent this - blow from the porcelain holden end first ? - blow from the open end first ? - Any industry standard specific way ? OR would you vent by pulling...

As the title. Also, what is your water head height in your system. Are you running 240v or 110v? Cheers

Less air movement over the motor from reduce speed (air movement cools the motor)- could be one idea. Reduced voltage to a motor will increase amps? more heat? P.S I have a personal worry about electrical appliances getting too hot, the thought of a fire worries me.

Changing the fan speed control method. Tried the PDL fan controller - motor hums at low rpm Gave the Kiwi Eletronics motor controller: http://www.kiwielectronics.co.nz/ still motor hum at low rpm. Two adjustable screw settings - low minimum and high max settings - handy. These two...

You might of heard about the earthquake that flattened the city of Christchurch in the South Island of NZ? They are building a cardboard cathedral - take a look: http://en.wikipedia.org/wiki/Cardboard_Cathedral Bring on the cardboard grow rooms.

$1250.00 per m2 - not bad considering its use.

Hi Humble, I have a page open all the time https://www.google.co.nz/search?q=calculator+conversion+&rlz=1C1GGGE_enNZ456NZ498&oq=calculator+conversion+&aqs=chrome..69i57j0l5.35567j0j7&sourceid=chrome&espv=210&es_sm=93&ie=UTF-8#q=inch+to+mm&safe=off I just change the bar at the top to what ever...

Now that is keeping it simple. Cardboard has good qualities - insulation - cut it easily - mend it easily - recyclable and many more. There could be something there for stealth growers, pre-made cardboard cabinets?

Cheers Humble. I use to grow outdoors, but as I get older, lets say the hills in NZ are wearing me out. I worded the end of my thread wrongly - might go back and change it. What I was trying to mean is -what are my chances for pulling off a grow with this set up, have I the right...

Have given it a 'test run' I have the intake end at the short end of the 44 drum (see pic above). Without ducting on yet - the air coming out is quiet, however the noise going in is still a little noisy. Might try turning the fan 180, so the intake is on the long side, and short side for...

All these replies give me great hope......be another month be for I start the flowering room up. By that time I am on the other side of mid summer also, this suits me perfect.

Have already posted this thread - but feel this is the place for it.........bloody newbie again! So - over a period of couple of months, I have been accumulating some equipment. Firstly, the clone and mother tent to the left, the Flower tent to the right. The top light is a 4ft twin...

Missing photo from above.........inside the flowering room with hood and 4 res

So - over a period of couple of months, I have been accumulating some equipment. Firstly, the clone and mother tent to the left, the Flower tent to the right. The top light is a 4ft twin electronic fluro fitting. One bulb is a Grow Lux and the other a standard bulb. I am thinking I...