I have been using my vino at 13.8v & pretty well blazed about an oz in 3 days.
I did some comparison tests with the vino & solo & found that the were pretty even in their performance. So similar in fact I advised another member who i exchange emails with & owns the solo to just to wait for the cloud to come out.
Well this morning i wasnt getting any real vapor to speak with, even tho an hour before that there was heaps at 13.8v. So, I put it in the car on the cig lighter for a bit & was getting good vapor.
I returned the power supply & asked them to test the output for me. it was putting out 13.8v & 12v when clicked down to 12v. So, I dunno I figured.
I then asked if they could exchange the power supply for another type.
the one i got is 9-24v.
well I got home & put my puppy on 15v for 25mins or so. I then packed a bowl &.................................
HOLY SHIT BATMAN! they was the biggest, most lungbusting rips i have EVER had while vaping.
I got 2 massive hits from each stem, the second rip was quite bitter in taste & if i had to guess, I think maybe 15v puts the vino right on the edge of combustion.
But I dont care, i can quite honestly say after 4 days of use, I was getting a bit lukewarm on my UD & was missing my solo a bit.
Now, I have my puppy on 15v steroids, I do 5 stems very quickly (although i do tend to vague out a bit on stems 4 & 5) & stagger off super blazed & very satisfied.
But i am enjoying it so much i am going back for more every 30-40mins or so & going thru heaps of weed.
I got my whip sorted much better, I turned a 7th floor 18mm wpa into a UD elbow & it joins the 7th floor tube to the UD silicon bowl very elegantly, while forming a great seal.
So far a 15v UD is the most awesome vapor production i have seen in a vape yet. I turn it back to 12v when I am not using it & jack it up to 15v 5mins before i need it.
I will of course be counselling my friend that he possibly cannot live without a UD cloud producing machine.