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Sounds about right. If Dave is using the 20 Ohm resistor then the draw should theoretically be 0.6A, maybe a bit more allowing for 5% resistor tolerance.

You should check that it's capable of delivering at least 1A.

I think it's just a case of the blind leading the blind. I've seen on other forums people asking what vape they should get, and often someone will say "get the Volcano, it's the best", even though they don't really have a clue. It's probably the only vape they've heard of, and at $600, it must...

Although I said that "these days most regulated power supplies are switchmode", I think you would be hard pressed to find one that isn't. And it's not just wall warts I'm talking about. Televisions, computers, and all kinds of electronic equipment have switchmode power supplies inside them. It's...

I also wonder why they don't come with regulated power supplies. These days, most regulated power supplies are switchmode. The only benefit of unregulated supplies is that they are robust. They're just a transformer in a box. Switchmode power supplies are more complex and more prone to failure...

I'm no electronics expert, but theoretically, there should be no difference in terms of the average amount of power going into the Zap. A 12VAC power supply delivers, on average, 12V. However, the power is delivered as Alternating Current, which means that it is constantly changing and reversing...

I don't know the part number, but I think this is what you're looking for: http://www.ebay.com.au/itm/ws/eBayISAPI.dll?ViewItem&item=320704347221

This is not correct. The lower the resistance, the more current will flow through the resistor. Higher current = higher wattage = higher temperatures. Ohm's Law: Current (Amps) = Voltage (Volts) / Resistance (Ohms) At 12V, a 20? resistor will pull 0.6A which is 7.2W A 21? resistor will pull...

Polish Rectified Spirit is 190 proof grain alcohol. I don't know if Dave is using different silicone, but I got a few of his basic silicone stems about a month ago to use with my PD. The stem is a tight fit on the PD, and seems to hit even harder than the standard stem. However, I don't really...

I've removed the screen and circlips, and replaced them with some screen that I've just jammed in there. Airflow is now better and it doesn't seem to clog as easily. You can also adjust the size of the dose. I got the idea from somewhere in this thread, can't remember where unfortunately. If...

^I agree. Don't know what to make of all the paranoia about charred wood... it's only wood after all, not some nasty poisonous chemical. Humans have been living around open fires for thousands and thousands of years. Smoking a joint or bong would be many times more toxic than any supposed...

I got some of those UD silicone external stems to use with my PD. I've found them to be more efficient than the standard stems. The disadvantage with them is that it is harder to get a consistent dosage, so I've ended up accidentally loading a lot more than I would normally. With the internal...

Why not keep things simple with something like this: http://www.ebay.com.au/itm/AU-100-240V-AC-DC-12V-1000mA-1A-Power-Adapter-Plug-/180640156396?pt=AU_Laptop_Accessories&hash=item2a0efe0aec

Seller: Gonzo Description of item: GRAV LABS Hammer Bubbler Cost of item: $80 including shipping Payment time: Same day Shipping time: Sent next day, arrived in about a week (this is normal for USPS to Australia) Rating out of 5: 5 Comments: Very well packaged, followed my instructions exactly...

Sorry if this sounds negative, but I don't see how those fixed voltages are going to be much use apart from putting it into standby mode. For useful temperature adjustment, a continuously variable supply in the 10 to 12 volt range would be needed.

Got it from Zen Flesh, Zen Bones. That book had a big impact on my life when I first read it 25 years ago. </OT>

I got some of the silicone stems used for the Underdogs, and they definitely smell. I could smell them even when they were just sitting on the desk. I thought that Dave used Silcon tubing, but I could be mistaken. However, the silicone for the Turbo Tubes is used only as a seal and is not in the...

I was wondering if this might be the case. I too like the consistent bowl size of the PD type stems. I've adjusted mine so I get just the right amount every time. With the silicone stems I've ended up pushing some herb aside and forming it into a line before sucking it up. Not as accurate as...

I agree about the aesthetics, but what is it about loading and unloading that you don't like?

Actually, I wasn't concerned about silicone at first, which is why I wanted to try these stems. I didn't realise that the silicone would have such a rubbery smell about it. Even though the smell "disappeared" after a while, just the idea that the stems are capable of producing a smell like that...