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Great fan with superb price and no delivery fee, what else a bargainer want! :)
Kogan DC Fan for $59 Delivered @ Kogan
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It says 4 speeds, what is it missing there
Waste of time IMO, you want all the speeds that the premium offers along with the remote as you can adjust the speed to the exact speed you need. Only four speeds is a waste of DC technology.
I'm using both this and one of the Premium fans.
The Premium fans are a lot better value IMHO. They stand much taller and have larger blades (in addition to the speed/mode differences).
This is particularly so now that the premium fans are available at only $80 - https://www.ozbargain.com.au/node/428156
what else a bargainer want
More speeds. The primary reason for having a DC fan is being to finely tune the speed, particularly the low speeds. It's a shame as it looks like a nice minimalist design.
Not a fan of the controls being at the base, too much bending over to change them, or kids playing with the settings
Yes agree - what a bad place to put fan controls.
Guess it's made with remote control use in mind.
and having to have line of sight to the base
The most obvious place to fire the IR remote would be at the fan's head, not at the base (which might be hidden behind furniture).
You could always put it upside down. After all we're down under.
I don't suppose anyone knows what dc voltage this runs at? I'm looking for a decent 12v fan for camping, and I'm perfectly happy ripping the ac off completely, and wiring in a cigarette plug…. If it's a 12v motor.
No idea but it's likely that it could be modified but you may need to step up or down the voltage to suit.
A better option may be the Xiaomi one which is three times the price but includes a battery to operate without power.
I've got a few fans, the caframo one I've got is great, 12v powerful and quiet, but it's 145 dollars on sale. Was hoping this one was an easy mod!
Unlikely to be 12v DC, low cost speed control is achieved by adjusting DC voltage in many designs, and to values much higher than 12 volts.
@sceptical: Yeah thought it might be tricky. Ah well, I'll stick with my caframo. Works really well, just a bit spendy!
Couldn't you just get a 12V DC motor of suitable spec, and hack a cheap fan from k-mart?
Probably easier.
It is nice having easy speed control though. By the time I've bought everything from aliexpress, it'll be winter again!
Probably easier to go and buy a camping fan from Aldi or Bunnings.
ALDI 12" 30cm https://www.youtube.com/watch?v=B8NGTSSMIjM
BUNNINGS $14 cheapy https://www.bunnings.com.au/arlec-2-in-1-rechargeable-fan-wi…
It would be Ac wired?
I wS hoping there was an ac to dc transformer that I could completely bypass, so it runs of 12v dc only. Looks unlikely from comments.
It would probably have a converter inside similar to ceiling fans
Yeah, and I'm not really blown away by this deal
Yeah, I think this deal blows.
Great fan
How could you know that?
There are no proper specs on the Kogan webpage nor in the downloadable instruction manual. They don't even state what size it is, however product dimensions 410 x 390 x 805 mm in the manual would indicate it's a small "40cm" size fan.
Claimed "power saving" of this 28W rated fan is almost irrelevant. The standard cheapo AC fans 30cm, 40cm and 50cm all seem to be rated 50W. If all that is true, then 12W saving on high X 10 hours/day X 100 days per year = 15kWh at $0.40 per kWh = $6.00 per year.
They have a "premium model" that is also 28W and on that webpage they claim that The Kogan Premium DC Motor Pedestal Fan uses a third of the power of an equivalent AC fan - which is a total lie.
Clains of "quiet" are also debatable - in a fan like this it's the blade design and resultant wind that creates the noise, not whether it's AC or DC powered. Generally a larger fan can push more air and therefore can rotate slower for a given wind velocity/volume. Potentially the cheapest 50cm AC fan on middle speed could generate more wind wioth less noise than this 40cm DC fan.
Overall, I'd say this Kogan is a risky buy compared to the (admittedly horrid quality) $12 pedestal fans that are available at Bunnings, Kmart, Target, etc.
Check out reviews on ozbargain and whirlpool for the premium model. Seem to contradict your reasoning.
What reasoning? My comments relate to ZERO information provided about the item.
PS: Reviews about the Premium model aren't relevant, since this is not the premium version in this deal.
It's silent at the three lowest speeds although the lowest speed is almost totally ineffective.
Power usage has been tested on whirlpool but don't left facts get in the way of your claims.
The claims of quiet are not debatable by anyone who can read, this has been tested by hundreds of people who have all left feedback saying how quiet it is. For a start the fan blades are not unbalanced like most AC ones, the motor is near silent and the only noise is from the fan blades which are optimised for quiet running.
Anyway stick to your $10 fans.
I'm thinking to add the battery on such DC fans. So many spare batteries from my tools.
living off the grid?
Such DC fans may not run off battery. The motor windings use DC but there is no guarantee that they use a particularly low voltage - in fact, the lower the voltage the lower the current so teh controller and motor can be smaller and cheaper.
There is very little info online that is easy to find. The voltage is probably 24V or 36V and the speed control is done by PWM. You'd have difficulty hacking into the circuit to drive the controller circuits and motor from 12V or 16V or whatever.
It's not hard to step up voltage to power this unit at whatever voltage it requires.
in fact, the lower the voltage the lower the current so teh controller and motor can be smaller and cheaper.
That doesn't sound right. You still need 28W.
If 28v it would be drawing 1A.
If 14v is would be drawing 2A.Wires can be thinner for higher voltage. Thicker wires are required at lower voltage to carry the extra current.
Need for speed
Is the motor DC brushless? Or like those power tools with brushes?
Almost certainly brushless. There is nothing particularly special about DC fan motors, nor is there really any particular reason that DC is better.
The fundamental reason that DC exists is because there is no profit margin left in AC fans. They are mad down to a price, and the market is saturated. That's why you can buy a 40cm AC pedestal fan at Australian stores for $12 RETAIL.
The "wankery" of the DC motor story allows them to sell at a much higher price. Of course the $60 DC fan is better than the $12 AC fan… the big question is whether a DC fan or AC fan is better at the SAME price point.
I previously worked for a manufacturer and wholesaler of ceiling sweep fans. The demand for DC fan is driven by marketing hype, not technical excellence. At the same manufacturing cost (TMC), we could make a far better quality AC fan than a DC fan, which is because the AC fan is significantly less complex. The reliability of AC fans will generally be better, since they do not contain the complex electronics that is always the first thing to fail in domestic products like these.
Yeah, I guess overall there are advantages in DC motors, but they are not really that significant and at the end of the day a domestic pedestal fan isn't a [product that needs to be high tech anyway. You don't need any of the real benefits that DC provides… or put a better way, you wouldn't be able to notice the difference if you didn't know which technology was inside.
I believe quietness depends on the quality of bearings , shaft. They affect the stability when spinning. I still remember those famous KDK or GE fans that just last for years of quiet operation. They may contribute to the environmental issues only after dozens of years. Nowadays fans are cheap and dumped as waste after a few years (stand broken, motor issues etc). News fans (and other electric appliances) just contribute more to environmental problems. Hope these fans will last.
Tried the DC motor fans and sold them after trialling for about a week. The $12 Kmart fans do the same job if you don't mind not having a remote.
Claims about the DC fans being quiet is highly exaggerated. They are marginally quieter, but could be due to them being brand new at time of testing
Bu nings has 25 dollar ac remote fans. Work well, it's so nice having the swing on remote
Cheap 12v to 240v inverter wil only set you back a few $.. no mods required.
With regard to the noise etc, I have the kogan premium unit and in quiet mode and speed selction at no more than 5, noise vs air movement is far better than the cheaper units. At a setting of 4 and below, it still moves plenty of air wilst almost operating silently. The blade design however lends itself to quiet efficient operation.So are DC ones quieter or not?
I would have thought the blades generate much more relative noise anyway.Yes and no, but mainly no!
Of course, any AC fan spinning at the same speed as a DC fan will sound exactly the same the noise is generated by the (1) blade moving through the air, and (2) the air passing through the grill. Any motor noise is drowned out.
AC is quieter purely by the virtue that is can be operated at a much lower speed. For me, this lower airspeed is well worth the extra coin.
AC is quieter purely by the virtue that is can be operated at a much lower speed.
I assume you mean DC!
Lol. Damn. Yes!
How low is the low speed of the $59 DC fan?
Only 4 speeds for it, while 26 speeds for the $89 "premium" fan, which is out of stock now.
Other than the lack of speed settings and lcd sceeen, any key differences to the premium version which costs $30 more atm?