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  1. rurwin

    Gurgling

    Too much liquid is getting to the coil and then dripping into the air channel. It tends to happen when bottom-coil attys are getting empty. It is vacuum in the tank that slows the flow of liquid onto the coil and once the wick is occasionally exposed to air that vacuum can be compromised. You...
  2. rurwin

    My parents don't like me vaping

    It sounds like you have a good set of parents there, Patrick. Congratulations to all three of you.
  3. rurwin

    Underutilizing this gear...

    I've been vaping at 11-12W for ages. I just built a twisted coil that works at 18W but on my Sigelei 20W it was slow. Now I've acquired an SX Mini capable of 50W it works great, at 18W. 18W gobbles up juice and batteries though...
  4. rurwin

    The end of microcoils?

    Chromium is a little more scary, but if we believe our metallurgists that hexavallant chromium cannot be created at these temperatures, it is probably safe. https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/338694/Chromium_toxicological_overview.pdf Chromium III is a...
  5. rurwin

    The end of microcoils?

    http://www.european-aluminium.eu/wp-content/uploads/2011/11/Al-Fact-Sheet_-20110728-final.pdf "Alzheimer’s Disease ... the current weight of evidence does not support a primary role for aluminium in causing this condition. ... The available evidence suggests that aluminium oxide and aluminium...
  6. rurwin

    The end of microcoils?

    Metal particles in vapour is an issue that needs to be investigated. I just wish he hadn't overstated the case.
  7. rurwin

    The end of microcoils?

    Dr F is doing work at the moment on DIY coils, looking at temperature regulation and such. So he might know, but it is unlike him to not say "studies we are carrying out at the moment seem to suggest..." I'll break these and you can repair them yourself; the board seems to mess them up: ht tps...
  8. rurwin

    The end of microcoils?

    There's some numbers on metals emissions here: A study by ASHRAE verifies the safety profile of e-cigarettes, but authors fail to admit it The interview in the OP seems odd. Dr. F. was very assertive. More so than the numbers above (permitted daily intake of Ni after 775 puffs.) would seem to...
  9. rurwin

    Are e-cigarettes safer then regular tobacco cigarette?

    Current medical opinion is that e-cigarettes are 95-98% safer than tobacco cigarettes. See: Starting on page 43.
  10. rurwin

    Is A "helping hands" useful for building coils

    The problems with a Helping Hands, whatever you are using it for, are the size of the teeth, which won't grip anything small or anything large and round, and the tightness of the joints. You have to screw the joints down very tight and they still move around. Oh, and get a big one because the...
  11. rurwin

    Airlines

    By international regulation, batteries are not allowed in checked luggage. They must be in carry-on and in appropriate containers -- battery boxes, retail packaging or similar DIYed packaging. The only exception is batteries in devices, which are allowed in checked luggage. Personally, I prefer...
  12. rurwin

    Problems Swallowing!

    See a doctor.
  13. rurwin

    Question about resistance

    Something not mentioned yet is the heat capacity of the coil. Thicker wire heats up slower and cools slower. Of course that depends on the amount of it that you've got and that's the variable you are changing. I can say that the 1.2 ohm 3mm twisted 30g coil I'm running now is the same...
  14. rurwin

    Complete paranoia? Reflection needed

    I wonder what the medications are for... This person has a conviction that no amount of argument is going to change. There is nothing rational in any of it and therefore there is no point of attack. I'm sorry but I think your room-mate is going to have to either put up with it or get out. Some...
  15. rurwin

    Nicotine Question

    So far as we know, if your blood pressure is fine, then there is no downside to nicotine other than addiction. There is evidence that the addictive potential is lower with ecigs, but no definite proof yet. You were a social smoker who did not get addicted. So I'd say you should be fairly safe...
  16. rurwin

    New research. Rebuttal?

    We both are, actually. If menthol is used in over-the-counter inhalation products, is it really credible that it causes lung damage in any doses that we are likely to encounter? It is not our responsibility to prove the paper wrong. It is impossible to prove a negative. It is the responsibility...
  17. rurwin

    New research. Rebuttal?

    I think Vicks is eucalyptus, not menthol. But both are currently used as inhalers: Menthol/Eucalyptus - medicines and drugs - NHS Choices It is a personal irritant of mine that this meme is wrongly named. As anyone with a smattering of high-school chemistry knows, the compound in question is...
  18. rurwin

    How safe do you consider temp control?

    18 -- The diameter of the battery = 18mm 650 -- The length of the battery is 65.0mm That last zero may be reserved for future use because so far as I know it is always zero, but I think it is supposed to be the tenths of millimetres. In practice the length differs by more than a millimentre if...
  19. rurwin

    New research. Rebuttal?

    Here's the paper: www. atsjournals.org /doi/abs/10.1164/ajrccm-conference.2015.191.1_MeetingAbstracts.A2896 If someone with a subscription wanted to login and give us more detail that would be good. There are warning signs: the abstract gives no dosages or numerical results and appears to be...
  20. rurwin

    Is nicotine bad for you?

    My favourite is chocolate, which is surprisingly low. Everyone knows that chocolate kills dogs in quite small quantities. But the LD50 dose for humans is only about 7kg (15lb) of good quality chocolate. Less than that for very dark chocolate but several times that if it's CDM or Hersheys. I...
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