MVP3 coming soon

[scrumpox]

Evolv have NOT said that you are not vaping safely if you use Kanthal, Evolv have said that their temperature control system will increase safety for vapers by PREVENTING THE CREATION OF HARMFUL BYPRODUCTS CAUSED BY HIGH TEMPERATURE BREAKDOWN OF ELIQUID INGREDIENTS. If people would actually watch the video It's PBusardo who asks Brandon if Nickel is safe to use considering people switched from NiChrome to Kanthal. Brandon replies that Nickel is stable and already used in Atties. At NO point does anyone say Nickel is safer than Kanthal or that Kanthal is bad...

It's really bugging me that so many people are ready to trash this before it's even released because it means they've got to change wires to use the temp control feature - get a grip people you're ready enough to try the latest wicking material so some different wire shouldnt be a problem; and, if they'd announced the DNA250 you'd all be pissing yourselves with joy and queueing up to get them. So before saying it's crap / pointless / not for me I'd suggest you find out what it does and why it does it THEN make up your mind...

ooooh, stroppy!!
I might well have the wrong end of the stick but that's the impression the interview left on me.
I haven't trashed it, I've said it's a good development.
I've said I won't buy it because I use kanthal, and by doing so I can't use the temp setting ... I use regulated DNA30 mods and don't vape above 15W nor build coils below 1ohm, so tell me why would I buy a DNA40?
Why would I be pissing myself over a DNA250?

I'm trying to find out and I'd welcome more information rather than gat angry and dismissive responses from an intolerant fat bloke!

 

[Tubbyengineer]

Bear with me Tubby, I've had a few pints ...

I'm searching for a way to translate this to Drunkenese, I'm think the only wat will be the consumption of lots of beer....

 

[scrumpox]

I'm searching for a way to translate this to Drunkenese, I'm think the only wat will be the consumption of lots of beer....

Looks like you've already had more beer than me! I'm think the same.

 

[Tubbyengineer]

ooooh, stroppy!!
I might well have the wrong end of the stick but that's the impression the interview left on me.
I haven't trashed it, I've said it's a good development.
I've said I won't buy it because I use kanthal, and by doing so I can't use the temp setting ... I use regulated DNA30 mods and don't vape above 15W nor build coils below 1ohm, so tell me why would I buy a DNA40?
Why would I be pissing myself over a DNA250?

I'm trying to find out and I'd welcome more information rather than gat angry and dismissive responses from an intolerant fat bloke!

Whoah, calm down Bubba Joe Jim Bob, I'm about three posts behind and trying to catch up, Angry - slightly, Dismissive - never, Intolerant - I'm still here trying to respond, Fat - Yep that I am, Rotund, Bulbous, Of Significant Girth, Lardy...

You'd buy a DNA40 and use Nickel wire in it because even at 15w and below your juice can get overheated and break down giving of toxic byproducts.
What you are effectively saying though is that despite the invention of a new safer way to vape I'm not going to use it because it means I need to use some different wire?

The whole post wasnt aimed specifically at you despite you being quoted at the top, there are other people in this thread and others saying the same things over and over,It's crap its only 40w, If it cant use Kanthal whats the point - I was aiming to address not only you but others as well...

 

[sparkyjuice]

Basically there are two ways to measure temp of coil
1 thermocouple where dissimilar metals produce a voltage at their junction when heated
This can't be used because the terminals of the atty would all need to be standardised
And because the two junctions of the coil would cancel
2 resistance change due to temp
Kanthal as has been pointed out is resistance stable over a wide temperature range
This makes it good for coil choice
Piss poor for temperature measurement
Nickel no res wire is used in res/nores coils
It is available to vapers and they are familiar with it
So evolv would logically use that

The best wire to use over the temperature range we use to vapourise liquid would be platinum
But that is expensive
And at heat is used to catalyse chemical reactions so the results may be unpredictable
Basically it is a fair compromise to solve the problem of temperature control
Whether they are cow towing to FDA is neither here nor there IMO high temp is regarded as a bad thing for eliquid as studies are starting to back up
I look forward to no dry hit burns personally

Sent from (who cares) using Planet of the Vapes

 

[Trungo]

Iirc they said the dna40 board is mainly aimed at modders currently but they are also bringing out a dna25? Which will contain the same features but is aimed for use in main steam mods.

 

[onbalance]

I must say what an interesting read, haven't got much to input as I am learning but glad to be reading!

 

[TruckinVaper]

Wow I didn't realise there was so much to this. Is all this temperature control stuff going to be used on a version of the MVP3 or is it just on a board version for modders then? or don't we know that yet? The nickel for the temperature measurement, does it have to be used for the whole coil or just for the no res legs of a coil? does it matter what's used for the coil if that's the case?

This might make it a bit more complicated for RBA's and RDA's but it could be worth the effort. Not just on the safety side but for finding the ideal temperature to vape particular flavours at. I'm experimenting with custards at the minute, got 2 RDA's, 2 RBA's, Big Naughty and Little Naughty loaded with 2 different custards, one home brew and GVC. You can definitely ruin the flavour easily, from what I've found out at least I know I need to work on a completely different sort of build for it to work out best in flavour and not compromise the vapour production too much. From something I'd read somewhere else on POTV it's got to be to do with wick to coil contact area along with resistance and air supply. That brings up another question about the temperature control of this new board,,, do you have to use single coil or do you have to tell it how many coils your using? Is this video on PBusardo's channel? Must go and look for it

 

[sparkyjuice]

Will work multi coil board is pretty intelligent TruckinVaper


Sent from (who cares) using Planet of the Vapes

 

[TruckinVaper]

Watched the video, impressive bit of kit and looking forward to finding out more about it in use. Don't think I'll be one of the first to jump on the bandwagon though, I'll sit back and let others do the testing first.

What amazes me is how in the world would it know if it's got a nickel coil or a kanthol coil on it without you telling it when all it can really do is measure the resistance? Maybe it has to be fired first before it can tell, much the same as it takes a fire to tell you how many volts it's gona put through it to give you your set watts.

I've got a pretty good understanding of the ohms law side of things, I drive a truck now but I'm a sparky to trade. I still can't get my head round how it can measure temps with multi coil setups in that way without you telling it how many coils it has.

Say you have a 0.8ohm single coil firing at 3.7volts you'd have about 17watts going through the coil and the heat to go with it. Now if you had two 1.6 coils in parallel you'd only have around 8.5watts through each coil but still have 17 watts over all. Surely that means the juice at any point in the dual coil set up would come to a much lower temp than the single coil one.

I know the temperature isn't measured from the coil resistance but from the change in resistance as it heats up but surely the sum of that change has to be divided by the number of coils to get the heat at each one???

They spoke about series coils too which isn't used much in vaping but is easier to understand how they can measure the temp as it's effectively just one coil anyway.

And there was me thinking vaping was going to be easy hehe

Maybe I should have posted this in the DNA40 thread too