The Gravity Bong Essay Research Paper The

The Gravity Bong Essay, Research Paper

The Gravity Bong

I was introduced to the gravity bong by a friend. He told me the full name

as described to him was the “Afghanistan Gravity Bong”. We were sitting around

one night and decided to try one out.

While I could go into detail concerning the mechanics of the bong’s

operation, I don’t think that is really necessary. The reason it is called a

“gravity bong” and not something else is this is what someone called it, that is

how they described it to their friends, and now it is an accepted term for the

following setup. I have observed some people on the net arguing about gravity

vs. pressure vs. whatever. If you have comments like this as a result of this

description, I refer you to: alt.engineering.geeks. The type of argument I have

observed would have been halted a long time ago by declaring a “TECH TIME OUT

!!” at our school. Take a hit man. I feel better now having said all that,

so… on with the important stuff…

GRAVITY BONG OPERATION:

STEP 1:

Place the bottomless bottle into a water source such as a bucket of water,

sink, bathtub, larger bottle, fishtank (just kidding), etc…When the bottle

rests on the bottom, the mouth piece should be above the water level enough to

grip the bottle. I’m not sure if warm or cold water is best, or even if it makes

much difference seeing as the smoke is not bubbled through it.

STEP 2:

Pack the bowl and place it on the mouth of the bottle.

STEP 3:

SLOWLY!! draw the bottle out of the water, while lighting the bowl. The

herb should really burn and the smoke will look intimidating. Stop when: a)the

herb is all ash (preferable), or b)when the bottom of the bottle is still an

inch or so below the water level in the bucket. Begin preparing yourself for a

huge hit.

STEP 4:

CAREFULLY remove the bowl without letting the bottle move downward (up a

little is o.k., but don’t lwt the bottom come out of the water), exhale deeply,

and place your mouth over the opening. Inhale quickly and completely, allowing

your head to move downward. Try not to drink any bong water as this kind of

sucks! (although its like learning to swim, it’s bound to happen a little).

STEP 5:

Don’t cough and hang on tight!

PACKED

BOWL >> $$

I I I/I BOTTLE >> / BOTTLE

>> /

/ /

| / | | / |

|~~~~|~~~~~~~~~~|~~~~| |~~~~|~~~~~~~~~~|~~~~|

|~~~~|~~~~~~~~~~|~~~~| |~~~~|~~~~~~~~~~|~~~~|

|~~~~|~~WATER~~~|~~~~| |~~~~|~~WATER~~~|~~~~|

|~~~~|~~~~~~~~~~|~~~~| |~~~~|~~~~~~~~~~|~~~~|

|~~~~|~~~~~~~~~~|~~~~| |~~~~|~~~~~~~~~~|~~~~|

__________________/ __________________/

BUCKET BUCKET

Step 1 Step 2

/ = BOWL

% $$ = HERB

LIGHTER __ *% ** = LIGHTER FLAME

>> |__|@**

$$ SUCK

/ I/I ||

|| / . . || I..I

|| /. . . || /. .

|| /. . . . / /. . .

|. . . . . | /. . . . BOTTLE >| SMOKE |

|. . . . . |

| . . . . .| | . . . . .|

| |~~~~~~~~~~| | | |~~~~~~~~~~| |

|~~~~|~~~~~~~~~~|~~~~| |~~~~|~~~~~~~~~~|~~~~|

|~~~~~~~~~~~~~~~~~~~~| |~~~~|~~~~~~~~~~|~~~~|

|~~~~~~~WATER~~~~~~~~| |~~~~~~~~BONG~~~~~~~~|

|~~~~~~~~~~~~~~~~~~~~| |~~~~~~~~WATER~~~~~~~|

|~~~~~~~~~~~~~~~~~~~~| |~~~~~~~~~~~~~~~~~~~~|

__________________/ __________________/

BUCKET BUCKET

Step 3 Step 4

THE DESIGN:

FIRST TRIAL:

First, a 2-liter bottle and a suitable bucket were obtained from the

apartment. I cut the bottom off the 2-liter bottle and set it aside. I was

able to find a couple of screw on caps, one of which was of the metal variety.

I cut a rough hole in each, and glued them together, with the cup sides facing

out. Into the side with the metal cap, a piece of screen was placed and fit

real nice. We were forced to build this little thing because we didn’t have a

bowl handy.

This worked o.k., but quite a bit of air flowed in for the quantity of herb

which was consumed. Also, it was a pain to unscrew the cap after lifting the

bottle. Overall, we all ended up having a great time and the first trial was

still a success. I leave this historical description in here because: a)this

may be a good enough system for you, or b)you are also in a pinch for something

right away as we were!

SECOND TRIAL:

Having decided the activity was fun enough to warrant further development of

the gravity bong, and having access to a machine shop, I designed a bowl just

for this purpose. This incorporates a nice sized burn chamber (approximately =

to 5 bat hits from a small bat), a small screen, and an o-ring seal to prevent

air from passing anything but the burning herb. It drops out a pretty hefty ash

after each hit.

Here is a horizontal sketch of my gravity bowl design:

FITS _

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