Anyone ever build an O2 cylinder cannon, either for firing bowling balls, or
for a noisemaker? I want to build a noisemaker. Maybe use acet/O2 mix
instead of black powder. Maybe use an inflatable cheepie 99 cent ball as a
seal for filling with gas.

How close does one get to the failure parameters with just a "reasonable"
charge of black powder, and a bowling ball. I saw one on Pawn Stars the
other day, but it had been reinforced all to hell. Just wonder what to
expect from just a plain cylinder. I know it would depend on the amount of
charge, but failure would be catastrophic, and probably take out everything
within 50 yards or at least frag it.

Experience and caveats welcomed.

Steve

On 9/19/2012 4:06 PM, Steve B wrote:
Anyone ever build an O2 cylinder cannon, either for firing bowling balls, or
for a noisemaker? I want to build a noisemaker. Maybe use acet/O2 mix
instead of black powder. Maybe use an inflatable cheepie 99 cent ball as a
seal for filling with gas.

Get another hobby that won't put you in the morgue.

At least get a camera with a long lens so your significant
other can film you from 100yds away and not die with you.

"mike" wrote in message
...
On 9/19/2012 4:06 PM, Steve B wrote:
Anyone ever build an O2 cylinder cannon, either for firing bowling
balls, or
for a noisemaker? I want to build a noisemaker. Maybe use acet/O2
mix
instead of black powder. Maybe use an inflatable cheepie 99 cent
ball as a
seal for filling with gas.

Get another hobby that won't put you in the morgue.

At least get a camera with a long lens so your significant
other can film you from 100yds away and not die with you.

Or buy one:
http://www.southbendreplicas.com/

On Sep 19, 7:06*pm, "Steve B" wrote:

How close does one get to the failure parameters with just a "reasonable"
charge of black powder, and a bowling ball. *I saw one on Pawn Stars the
other day, but it had been reinforced all to hell. *Just wonder what to
expect from just a plain cylinder. *I know it would depend on the amount of
charge, but failure would be catastrophic, and probably take out everything
within 50 yards or at least frag it.

Experience and caveats welcomed.

Steve

Well lets see. An oxygen cylinder is designed for a pressure of 2000
psi with some safety factor. A modern rifle is designed for a
pressure of 50,000 psi with some safety factor.

To make a noise maker, use some ABS or PVC pipe and use acetylene.
Just put some saran wrap over the muzzle and secure it with a rubber
band. Stand well back when setting it off. If it blows up , the
pieces of plastic will not be as deadly as pieces of steel and will
not fly as far.


Dan

On 9/20/2012 6:02 AM, wrote:
On Sep 19, 7:06 pm, "Steve wrote:

How close does one get to the failure parameters with just a "reasonable"
charge of black powder, and a bowling ball. I saw one on Pawn Stars the
other day, but it had been reinforced all to hell. Just wonder what to
expect from just a plain cylinder. I know it would depend on the amount of
charge, but failure would be catastrophic, and probably take out everything
within 50 yards or at least frag it.

Experience and caveats welcomed.

Steve

Well lets see. An oxygen cylinder is designed for a pressure of 2000
psi with some safety factor. A modern rifle is designed for a
pressure of 50,000 psi with some safety factor.

To make a noise maker, use some ABS or PVC pipe and use acetylene.
Just put some saran wrap over the muzzle and secure it with a rubber
band. Stand well back when setting it off.

The problem is not standing back when it goes off.
The problem is it going off before you stand back.
Count your fingers. Listen to some music. Watch some TV.
Then decide if you can live without all three...assuming you
ever wake up...

If it blows up , the
pieces of plastic will not be as deadly as pieces of steel and will
not fly as far.


Dan