The Physics of a Good Blunt

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indicunt lovr

Member
So I'm currently in a college introductory Physics class and it got me thinking about the physics of a blunt. Now I still need to do some research on a Bk (Blunt constant) haha but i think i have all the variables that are needed to calculate the specifics of a blunt.

1. Length of blizzy (L)(in m)
2. Area of cross-section of blunt (A)(4*pie*r^2)(in m^2)
3. density of marijuana (D)
4. Velocity of cherry (time it takes to smoke blunt)-(This is what interests me the most, so that I can estimate the approximate time it will last)
5. number of tokes (n)
6. Blunt constant (Bk)(in seconds/m)

so i have no idea how to go about putting these values into an equation so thats where i need your help. I figure it could be

V= (Bk)*((L*A*D)/(n))

so lets get some experimenters on this idea to see if we can calculate a Constant.
-remember that testing and retesting a hypothesis is a very important part in the Scientific Theory so get tokin everyone.
 
M

mattman

Well-Known Member
haha love it, im in university physics II, tomorrows my final! Shooting for a B!.... ima toke and see what I can come up with
 
Mike@420

Mike@420

Active Member
Theres more to it than that. Cross section and weed consistency are the 2 most important factors to me. If its too fat, its hard to keep the air flow even and one side will burn faster. If its too thin if will start to get clogged up from the resin. I like them thicker than a pencil but thinner than a marker.
If the weed isnt broken up evenly, it creates slow burning spots and/or air pockets that will give an uneven burn. If you break it up too much, into dust, it can clog easily.
I dont think the whole thing can be wrapped up by a single equation, but I think you can come up with accurate equations for the different steps in rolling.
 
L

Logges

Active Member
im on an industrial engineering course, 3d year.

i think that trying to take into account every spec of the blunt would make Bk loose sense right?
i mean constants are constants because the happen every time. i still get you though. i think the correct name would be Blunt Smoking Speed (BSS)

One constant thought you could consider would be the average speed at which one inhales. One way of looking at it is using hydrodynamics, the pull made by inhaling can be represented as pressure; which uses area as well, so there you have the radio of the blunt.

The are also some heat propagation formulas through steel/metals that you could twitch to show a burning blunt.
good idea man
 
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