After 15 days of constant use (which results in >200ml juice) I decided to change my coil in the TFV4. The flavor was still good though. Red Astaire is not gunking the coils a lot, but it has some artificial coloring in it that cover the coils more than other juices.
I am quite impressed as it is by far not as bad as I expected it to be. I did not check the coil beforehand as it is always a pain to disassemble the tank because of my constant fear of breaking the weak orings. The wire is discoloured but there are not a lot of crumbs on it, the inner cotton sheet is dirty of course.
A tip for changing the coils: Use the Richard Ng method, means: screw the coil on the chimney and then assemble the tank. The oring on the chimney is the weakest link and has to be screwed on tight for no leaking.
I think it is always worth mentioning when one finds a clone with good machining and not a fucked up deck or screws. I got this Twisted Messes RDA Clone from focalecig a few weeks ago and had the chance to build a titanium TC coil a few days ago. I am really impressed with the quality! Definitely worth a try for $9.84. Rarely seen such a clean deck, no crooked posts and very good screws. O-rings are loose (like they are on the original) but I love it for dripping.
Another tip is this Revolt RDA version from Fasttech. The screws are not perfect and need some slight sanding and sometimes the screw pops back out. A slight pinch with some pliers fix this problem. I love it with the included competition drip-tip! Btw: The SS stand is available separately for $2.74.
I stumbled upon a pic from the Aspire Pegasus mod that says it will get TC! This would make perfect sense, so hold your horses and do not jump on the non-TC version. Maybe – or better: I am sure – there is a TC version right around the corner. (Aspire staff comments on facebook say: release this week!)
About stepdown: You might have noticed or read in several forums that the IPV D2 does NO stepdown in power mode. This means that it puts out always at least the nominal battery voltage. In case you have a .5 ohm coil and set it to 7W, the Mod will show around 1V but in fact there are >3.7V.
This is a bummer for low wattage vapers as well as for proper breaking in coils. But there is a workaround:
The D2 IS capable of stepping down in Joule (Temperatur control) mode. It switches from DC to PWM there. So take your kanthal build, switch to TC mode, set the Joules to your desired wattage (Joules = Watts with YiHi chips) and just to be sure: maximize the temperature.
Temperature protection will not kick in as kanthal does not change its resistance.
Originally the confusion was there because most shops just stated “Output voltage: 1.0V-7V”. In fact it is:
Output voltage: 3.6V-7V (Power mode)
Output voltage: 1.0V-7V (Joules mode)
Maximum resistance in TC mode should be .3 ohm. Tests show that the mod does not bother at all. You can vape your .5 ohm builds in TC mode as well and so far it has not kicked out of TC.
Pioneer4You fixed this now – but not for the D2 but with the release of an updated IPV D3.
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