The Screwball by Vapvana

2

2pumpchump

Well-Known Member
so have been so busy and out of town . i was so eager to try this sexy screwball out .... i have not got me a pass tough but i use a grav 19 to 14 .then a grav 14 to 19 .... i would use a separate peace in between any coil driven temp control heat retention vape
i have nothing to compair it to have not read anyones post ...
THIS VAPE IS AMAING!!!!! lot of catching up .. Cal is grate
 
2

2pumpchump

Well-Known Member
So i put a silicone o ring on my bolw it absorbes the expansion under heat
20230725-013322.jpg

20230725-013349.jpg

20230725-012155.jpg

IMG-20230724-211515-335.webp
 
Raskolnikov

Raskolnikov

Well-Known Member
Necra said:
So i put a silicone o ring on my bolw it absorbes the expansion under heat
20230725-013322.jpg

20230725-013349.jpg

20230725-012155.jpg

IMG-20230724-211515-335.webp
Click to expand...
Was that the handle that it arrived with or did you put your own handle on it. I didnt like the dildo looking one and would have been replacing mine but I like that one.
 
Raskolnikov,
lazylathe

lazylathe

Almost there...
@Vapvana

Interesting testing with the different shapes of crystals. This was discussed on Reddit a year or so ago with the use of Zirconia diamond shapes being used.
Nice to see it being utilized here, not sure if you saw all of that going down a while ago.

Some things I would like to have defined if you have the time!

Did you weight the amount of 3mm beads VS the 2.5mm crystals?
The weight difference (mass) is important here.

In the real world, I do not do 0.4g bowls, they are usually 0.1 or less. Basically the herb just covers the screen.
Would you be able to do a test of this amount?
In all my years of owning vapes, especially ball style vapes, I have never filled a bowl full of herb. EVER...

I keep seeing these massive, full bowla of herb that every manufacturer seems to think is the most important feature.

Looking at the picture of the ABV, to me the 550F with balls looks so much better then the dark brown ABV of the gems.
Again, weight of beads here is important as I would imagine wyou could pack more crystals in that beads??

Interesting design that has some unique features!!
 
P

Pcloudy

Well-Known Member
lazylathe said:
@Vapvana

Interesting testing with the different shapes of crystals. This was discussed on Reddit a year or so ago with the use of Zirconia diamond shapes being used.
Nice to see it being utilized here, not sure if you saw all of that going down a while ago.

Some things I would like to have defined if you have the time!

Did you weight the amount of 3mm beads VS the 2.5mm crystals?
The weight difference (mass) is important here.

In the real world, I do not do 0.4g bowls, they are usually 0.1 or less. Basically the herb just covers the screen.
Would you be able to do a test of this amount?
In all my years of owning vapes, especially ball style vapes, I have never filled a bowl full of herb. EVER...

I keep seeing these massive, full bowla of herb that every manufacturer seems to think is the most important feature.

Looking at the picture of the ABV, to me the 550F with balls looks so much better then the dark brown ABV of the gems.
Again, weight of beads here is important as I would imagine wyou could pack more crystals in that beads??

Interesting design that has some unique features!!
Click to expand...
Ill be doing some micro dose testing with it tonight. Ill see if I can get some video. I have been using a couch log with a defreeze bowl which holds about .1 g so thats what Im used to. The screwball snuck up on me a bit because its a bit more intense than that.
 
Zow237

Zow237

Well-Known Member
This looks very promising. Any of these ball vapes that's going to use lower temps is going in the right direction in my book. Wish i wouldve seen this earlier def woulda been an early adopter
 
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2

2pumpchump

Well-Known Member
lazylathe said:
@Vapvana

Interesting testing with the different shapes of crystals. This was discussed on Reddit a year or so ago with the use of Zirconia diamond shapes being used.
Nice to see it being utilized here, not sure if you saw all of that going down a while ago.

Some things I would like to have defined if you have the time!

Did you weight the amount of 3mm beads VS the 2.5mm crystals?
The weight difference (mass) is important here.

In the real world, I do not do 0.4g bowls, they are usually 0.1 or less. Basically the herb just covers the screen.
Would you be able to do a test of this amount?
In all my years of owning vapes, especially ball style vapes, I have never filled a bowl full of herb. EVER...

I keep seeing these massive, full bowla of herb that every manufacturer seems to think is the most important feature.

Looking at the picture of the ABV, to me the 550F with balls looks so much better then the dark brown ABV of the gems.
Again, weight of beads here is important as I would imagine wyou could pack more crystals in that beads??

Interesting design that has some unique features!!
Click to expand...
I actually testing with 2mm Zr02 right now
 
P

Pcloudy

Well-Known Member
I loaded up a dynavap stem and used it as a measuring cup. Yes it worked but I wouldn’t really consider it a great micro dosing device. This was at 420 on a dc pid. I tried again at 450 but had similar results. I’ll make another video tonight with a full bowl. I’ve been getting way to high off of this way to quickly so I may cut some cbd in tonight to help my endurance.

https://imgur.com/a/T6P4OPf
 
SixStringToker

SixStringToker

Naked member
lazylathe said:
@Vapvana

Did you weight the amount of 3mm beads VS the 2.5mm crystals?
The weight difference (mass) is important here.
Click to expand...
The total mass difference in the chamber when switching from 4mm to 3mmm to 2mm balls is not all that significant (maybe 3% between the 2mm and 3mm balls) and most heads on the market have more thermal mass than the vast majority of users will ever burn through in a session. What makes the biggest difference in performance is the total exposed surface area inside the ball chamber. THAT increases significantly with the smaller balls and the gemcut stones. That allows the airflow to pull heat more quickly from the chamber, which can be good OR bad depending upon the design of the head.

Size-for-size a single 2.5mm roundcut stone has about half the mass of a 2.5mm ball, but quite a bit more surface area. The best comparison would probably be 1.25mm to 1.5mm balls.
 
lazylathe

lazylathe

Almost there...
SixStringToker said:
The total mass difference in the chamber when switching from 4mm to 3mmm to 2mm balls is not all that significant (maybe 3% between the 2mm and 3mm balls) and most heads on the market have more thermal mass than the vast majority of users will ever burn through in a session. What makes the biggest difference in performance is the total exposed surface area inside the ball chamber. THAT increases significantly with the smaller balls and the gemcut stones. That allows the airflow to pull heat more quickly from the chamber, which can be good OR bad depending upon the design of the head.

Size-for-size a single 2.5mm roundcut stone has about half the mass of a 2.5mm ball, but quite a bit more surface area. The best comparison would probably be 1.25mm to 1.5mm balls.
Click to expand...
The reason I am asking is that in one test he uses balls and the other gem stone cuts. Different sizes and massws and ability to pack more gem cuts into the same space.
 
SixStringToker

SixStringToker

Naked member
lazylathe said:
The reason I am asking is that in one test he uses balls and the other gem stone cuts. Different sizes and massws and ability to pack more gem cuts into the same space.
Click to expand...
I'll get a weight measurement tonight of a chamber filled with 2mm and 3mm balls and 2.5mm roundcut ruby gems (if my stoner brain can remember... it's so far away!). 'Wish I had 1.5mm balls - I actually purchased some last year but never bothered to check them until recently, only to find that they're 2mm. 😥
 
SixStringToker,
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snackmaster

snackmaster

Well-Known Member
Pcloudy said:
I loaded up a dynavap stem and used it as a measuring cup. Yes it worked but I wouldn’t really consider it a great micro dosing device. This was at 420 on a dc pid. I tried again at 450 but had similar results. I’ll make another video tonight with a full bowl. I’ve been getting way to high off of this way to quickly so I may cut some cbd in tonight to help my endurance.

https://imgur.com/a/T6P4OPf
Click to expand...
Similar experience here with smaller loads needing higher temps. ~485 is where bowls that size perform how I like.
 
P

Pcloudy

Well-Known Member
snackmaster said:
Similar experience here with smaller loads needing higher temps. ~485 is where bowls that size perform how I like.
Click to expand...
I went up to 450 with similar results as 420. I dont plan on using this for micro dosing anyways. This is a go to outer space quickly vape. Ill be doing some tests to compare the dc pid with the included pid later this evening. I know the dc pid runs much lower than most with the way its programmed so I want to see how similar it is with the stock one.
 
SixStringToker

SixStringToker

Naked member
Pcloudy said:
I went up to 450 with similar results as 420. I dont plan on using this for micro dosing anyways. This is a go to outer space quickly vape. Ill be doing some tests to compare the dc pid with the included pid later this evening. I know the dc pid runs much lower than most with the way its programmed so I want to see how similar it is with the stock one.
Click to expand...
The DC controllers don't actually run at a lower temp, they are programmed with a default offset (likely just a simple menu setting) to more accurately reflect the dabbing surface in a banger, which will obviously be lower than the coil temp. I believe that offset is ~ 100 degrees fahrenheit, so while it may be displaying 420°F, it's really measuring 520°F.
 
tinctorus

tinctorus

Well-Known Member
Accessory Maker
SixStringToker said:
The total mass difference in the chamber when switching from 4mm to 3mmm to 2mm balls is not all that significant (maybe 3% between the 2mm and 3mm balls) and most heads on the market have more thermal mass than the vast majority of users will ever burn through in a session. What makes the biggest difference in performance is the total exposed surface area inside the ball chamber. THAT increases significantly with the smaller balls and the gemcut stones. That allows the airflow to pull heat more quickly from the chamber, which can be good OR bad depending upon the design of the head.

Size-for-size a single 2.5mm roundcut stone has about half the mass of a 2.5mm ball, but quite a bit more surface area. The best comparison would probably be 1.25mm to 1.5mm balls.
Click to expand...
The biggest difference in weight will be between sic and ZrO2

This is 50 of each
www.amazon.com

Mike shared 2 photos with you

www.amazon.com
 
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P

Pcloudy

Well-Known Member
SixStringToker said:
The DC controllers don't actually run at a lower temp, they are programmed with a default offset (likely just a simple menu setting) to more accurately reflect the dabbing surface in a banger, which will obviously be lower than the coil temp. I believe that offset is ~ 100 degrees fahrenheit, so while it may be displaying 420°F, it's really measuring 520°F.
Click to expand...
Yeah I just worded that poorly. I have a terpometer that I can use to measure the coil heat with each pid to see what the offset is like on the included pid. I definitely run the dc pid around 100 degrees lower than I did when I had a ch pid so that seems about right. (learned that the hard way when I first got a dc pid and had it set to like 600, that bowl went from green to black almost instantly.)
 
Pcloudy,
SixStringToker

SixStringToker

Naked member
Pcloudy said:
Yeah I just worded that poorly. I have a terpometer that I can use to measure the coil heat with each pid to see what the offset is like on the included pid. I definitely run the dc pid around 100 degrees lower than I did when I had a ch pid so that seems about right. (learned that the hard way when I first got a dc pid and had it set to like 600, that bowl went from green to black almost instantly.)
Click to expand...
lol! I converted Cole, the Solid State Concepts dude, to ball vapes by giving him a b0 and a b1. I suggested that he start at 600F and adjust from there... before I knew that he was using a DC controller. His first ball vape experience was to combust. :D
 
LineTheory

LineTheory

Member
Just got mine delivered this week. The 'arm' for my coil is positioned at the bottom of the head, not at the top like the photos would suggest. This can interfere with the bowl handle unless the handle is on the opposite side of the arm. Can someone tell me if mine is oriented incorrectly?

Coming from a B0, overall I am loving everything from the controller to the machining and fitment.
 
LineTheory,
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