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convection perfection! high speed E mesh!. Options
 
downwardsfromzero
#21 Posted : 5/27/2022 6:14:36 PM

Boundary Condition

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Yes the mesh was definitely rather close! Some of the seeds got thoroughly toasted... As mentioned, things improved greatly on dialling back the wattage considerably.

In principle, the RTDA air tube could be extended some more - at present there's not much space for things and this is in large part the reason for the close proximity of the seed basket to the heating mesh.

I may yet also swap out the mesh to get a lower temperature over a larger area. If I'm not mistaken, this should give a similar level of heating for the air stream but with less radiant heat. I think the radiant heat was a large factor in the scorching.




“There is a way of manipulating matter and energy so as to produce what modern scientists call 'a field of force'. The field acts on the observer and puts him in a privileged position vis-à-vis the universe. From this position he has access to the realities which are ordinarily hidden from us by time and space, matter and energy. This is what we call the Great Work."
― Jacques Bergier, quoting Fulcanelli
 

Good quality Syrian rue (Peganum harmala) for an incredible price!
 
starway7
#22 Posted : 5/27/2022 11:30:36 PM

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downwardsfromzero wrote:
Yes the mesh was definitely rather close! Some of the seeds got thoroughly toasted... As mentioned, things improved greatly on dialling back the wattage considerably.

In principle, the RTDA air tube could be extended some more - at present there's not much space for things and this is in large part the reason for the close proximity of the seed basket to the heating mesh.

I may yet also swap out the mesh to get a lower temperature over a larger area. If I'm not mistaken, this should give a similar level of heating for the air stream but with less radiant heat. I think the radiant heat was a large factor in the scorching.




quote...[[there's not much space for things]] ....

thats why i simply used a short length of 3/8 copper tubbing... [about... 1 and 1/2 inch long peice of tubbing...

you need to set the seed basket 1/4 inch or less above the heating mesh.[should not touch the mesh at all] you are using hot air only to vaporize....it should work much better..

you can adjust the compressed screen ..by pushing it up or down..very easily..

with the copper tubbing ..you would even have room for changa! Thumbs up
 
downwardsfromzero
#23 Posted : 5/30/2022 8:01:26 PM

Boundary Condition

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Yep, I made sure the basket doesn't touch the heating mesh. I could probably fit all sorts of things into the glassware that connects into the top of the atomiser (where you have used the copper tubing). It's a still head so the thermometer port makes loading and adjusting screens and materials potentially very simple.

I'll be having another tinker along these lines and will report back with results.




“There is a way of manipulating matter and energy so as to produce what modern scientists call 'a field of force'. The field acts on the observer and puts him in a privileged position vis-à-vis the universe. From this position he has access to the realities which are ordinarily hidden from us by time and space, matter and energy. This is what we call the Great Work."
― Jacques Bergier, quoting Fulcanelli
 
starway7
#24 Posted : 6/14/2022 1:55:55 AM

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I did a product test again with my convection E mesh..using copper tubbing..and found.... pushing the fire button only once works well set at the right wattage or temp setting..

i think using copper tubbing helps to maintain the heat as it flows through the molecule/..


[[how well is your glass bowl working?... downwardsfromzero /?]]



before vaping... the molecule had been .. embedded and crystalized... in my chamber screen for atleast a week or longer..

It was only a threshold dose of molecule...[but amazingly strong effect!]..I simply set it to 50 watts using a bubbler to keep it cool... [then press down on fire button only once].... and...count to 3... still while holding fire button down... take my draw! ....convection vapor came fast and easy..under 10 seconds!


everything done during holding the fire button .. less than 10 seconds!

Its possible using only [45 watts].. might also work this way...

The vapor was very ..light...and tastless!!

I held in the vapor for only 6 or 7 seconds..and it still hit me good... a good 25 minute experiance!...on only a threshold dose!

This was 100 percent straight [SP] ...and came on very smooth and tastless...

Im very surprised that there hasnt been much testomonials on ..[Convection E Mesh].. ..because i believe it has benefits over the ..[conduction].. method ...

Its gotten lots of veiws on this thread...someone else must have had the same success ive had! would love to hear from them..Big grin
 
clearlyone
#25 Posted : 6/16/2022 2:21:44 AM

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Starway7,

This tread inspired some testing and yes fantastic results.

I enjoy being out doors but it’s often windy and even a torch with gvg has been finicky. Now it’s just: find the space and launch.

I have engineered my rig with:
- Aegis mini mod
- Wotofo Profile 1.5 RDA (but with a Vandy vape mesh v2 25mm outer cap)
- nexMESH CHILL mesh
- Sai Poseidon Bubbler V2
- 3/8” copper tube trough a snug fitting drip tip
- two small portions of concentrate pad

The copper tubing and nexMESH are the key points to good convection heat.
I have found a second piece of concentrate pad is needed to hold in the fluffy crystals. Like a sandwich method of sorts.. This allows for faster thicker draws but still without any burning.

Also a cake icing attachment (small metal cone) can just be dropped into the top of the copper tube for easy loading.
The one design point that’s a bit cobbled is the outer diameter of the drip tip needs to be built up a bit (used foil tape) to fit snug into the bubbler.
I may do a write up with pics eventually.

Thanks for your work!
IME this beats GVG and direct on mesh! Sure fire each time. Now just to refine the setup a bit more.

Forgot to mention the vandy vape cap has a flat metal “floor” which protects the drip tip from too much heat. Saw that was an issue you had prior.
Peace
"Blinded by their own sight, hearing, feeling, and knowing, they don't perceive the radiance of the source. If they could eliminate all conceptual thinking, this source would appear, like the sun rising through the empty sky and illuminating the whole universe." - Huang Po
 
starway7
#26 Posted : 6/18/2022 2:34:59 PM

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clearlyone wrote:
Starway7,

This tread inspired some testing and yes fantastic results.

I enjoy being out doors but it’s often windy and even a torch with gvg has been finicky. Now it’s just: find the space and launch.

I have engineered my rig with:
- Aegis mini mod
- Wotofo Profile 1.5 RDA (but with a Vandy vape mesh v2 25mm outer cap)
- nexMESH CHILL mesh
- Sai Poseidon Bubbler V2
- 3/8” copper tube trough a snug fitting drip tip
- two small portions of concentrate pad

The copper tubing and nexMESH are the key points to good convection heat.
I have found a second piece of concentrate pad is needed to hold in the fluffy crystals. Like a sandwich method of sorts.. This allows for faster thicker draws but still without any burning.

Also a cake icing attachment (small metal cone) can just be dropped into the top of the copper tube for easy loading.
The one design point that’s a bit cobbled is the outer diameter of the drip tip needs to be built up a bit (used foil tape) to fit snug into the bubbler.
I may do a write up with pics eventually.

Thanks for your work!
IME this beats GVG and direct on mesh! Sure fire each time. Now just to refine the setup a bit more.

Forgot to mention the vandy vape cap has a flat metal “floor” which protects the drip tip from too much heat. Saw that was an issue you had prior.
Peace



Great to hear its working well for you..the tastless light convection vapor does the job well!

I just use a molded screen cap .in photos in above posts]... to sandwish down ...[anything like solid loose particles]..i fear might come up into my mouth...but i use a bubbler [as a water trap]] and that also works well to cool and trap unwanted particles...

[Sp] alone will usually just vaporize and can be inhaled [usually without any solid airborn particles] to come up..

But if you are trying a changa mix..the screen cap..[should hold the product down ]...

The...[Sai Poseidon Bubbler V2] was a nice choice for a bubbler! i may get that one for my mod...

The convection vapor is so light and tastless.. ...that one might think its weak...

But the vapor is quite effective..once the toke is held in as long as posible...even for a short 5 to 7 seconds..

With convection vapor its almost tasteles ...and doesnt have that heavy acidity that some conduction vapor produces if the temperature is too hot..or too cold...

Since its very easy to top load the mod without spilling product.... ...its real easy ..to put too large of a dose in!! ....so be carefull!.. and.... ALWAYS!...weigh the product first!

[example..if you think you can just put enough product in the chamber for 5 or 6 people and pass it around..your first vapor hit could surprise you.. and be mercylessly strong! be carlfull and weigh what you are vaping first..


[clearlyone]...[Please send photos of your rig when you can!Thumbs up

below is a picture of mod rigged with a..[Sai Poseidon Bubbler V2].looks great!



starway7 attached the following image(s):
DSC00457.JPG (3,174kb) downloaded 78 time(s).
 
clearlyone
#27 Posted : 6/19/2022 3:18:07 AM

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I hope to post some pics but it won’t be for a bit.

Starway7, i am curious if you tend to draw slowly. I tried that for a while but found moderate breath similar to a comfortable but intentional relaxing breath to get the vapor thicker and expend the product in fewer draws (which I tend to need). That practice started causing crystals to fly up out of the copper tube -hence the second bit of concentrate fill. I run it at 55 watts and pulse on for 10 seconds repeating so I don’t hit the timeout - until the draw is almost done.

Love this reliable convection method. It’s nearly tasteless except for a bit of heat. And absolutely -a mg scale.

My drive is to engineer it a bit better. It would be nice if it could be reduced to a combination of of-the-shelf parts. I have read that the S&B Mighty with water bubbler is also a sure fire convection method. It’s pricey tho.
"Blinded by their own sight, hearing, feeling, and knowing, they don't perceive the radiance of the source. If they could eliminate all conceptual thinking, this source would appear, like the sun rising through the empty sky and illuminating the whole universe." - Huang Po
 
starway7
#28 Posted : 6/19/2022 1:37:56 PM

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clearlyone wrote:
I hope to post some pics but it won’t be for a bit.

Starway7, i am curious if you tend to draw slowly. I tried that for a while but found moderate breath similar to a comfortable but intentional relaxing breath to get the vapor thicker and expend the product in fewer draws (which I tend to need). That practice started causing crystals to fly up out of the copper tube -hence the second bit of concentrate fill. I run it at 55 watts and pulse on for 10 seconds repeating so I don’t hit the timeout - until the draw is almost done.

Love this reliable convection method. It’s nearly tasteless except for a bit of heat. And absolutely -a mg scale.

My drive is to engineer it a bit better. It would be nice if it could be reduced to a combination of of-the-shelf parts. I have read that the S&B Mighty with water bubbler is also a sure fire convection method. It’s pricey tho.


As far as speed of intake..i usually go with ..medium slow tokes..But must remember that the amount of outside air thats being pulled through is adjustable .. [and has a strong effect]..by blocking off some of the the air intake holes on the RDA cap..with an externall peice of scotch tape..

Looking back at the origional EMESH ..[conduction method].. because the spice is in physical contact with the hot mesh..it ..[vaporizes and can partially burn ].. the product very quickly!

So one thing thats positive about the conduction method is.. [[its speed of vaporization]]...

So first i would ...[[hit the fire button a couple quick times]] ..and melt ..[lock]..the crystals into the chamber screen first!... to avoid crystals from flying upward into the stem.. ...then there are no loose crystals to fly upwards...

Then the air temp must be set hot enough for ........
[fast and compleate as posible vaporization of the molecule]

remember . in early tests... i was doing a couple pre heats till it timed out as a vaping method.. ...but found that simply increasing the wattage ..[heat]..made it possible to vaporize by pressing down the fire button only once..

Also..Ive been using fairly low doses of the product durring tests..[usually threshold doses] and ..the smaller the dose.. the easier it is to compleatly vaporize...

The ..[air flow and heat needed].. is an accurate ballence to more compleaty vaporize the product...[i tape off the tiny air flow holes in top cap as a way of adjusting the air flow]

[the less outside air.. flowing g through the product.. causes hotter but slower flowing air]

There is one thing about the the conduction method..its speed of vaporization!

There is more than enough heat in a 70 or 100 watt mod to do the job.. it just finding a good ballence of external air and heat aplacation...

I find with my lower dose [threshold doses] over 90 percent of the material is quickly vaporized without burning anything..

The product needs to be close ..[above the heat mesh] ..but not touching..maybe 1/4 inch more or less .. above the heating mesh should work ..

when using sp tincture.. not crystals .. one must apply 2 or 3 drops of it at a time .. on screen and wait 5 minutes for the liquid to evaporate enough to leave the sticky molecule to remain locked into the ..chamber screen..then... not being in a hurry... i sometimes wait several hours or all night or even days.. untill the the actives have re crystalized .. while being locked into the screen ..or stainless pad..

Also when doing testing .. its not easy to keep taking hits every day!.. ..especially from 30mg doses..

when just testing vaporizer output... [several times a day] ..
...one MUST!.. use only small threshold doses...

....or devise a ..[mechanicle way].. to take pulls..using an air pump and clear tubbing..simmilar to volcano..alowing the vapor to collect into a test holding bag or jar...for test purposes..




https://youtu.be/FB20_GvGXxY


 
starway7
#29 Posted : 6/30/2022 3:45:33 AM

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I boarded the train tonight .. ..

The train was fast..the trip was timeless..Thumbs up

It was really visual using a black out sleep mask! [pure convection]..Thumbs up



https://youtu.be/9FSLv3V2RzI
 
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