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need new bumber ideas for my cannon

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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need new bumber ideas for my cannon

Unread postAuthor: jsefcik » Sun Dec 11, 2011 6:07 pm

i have an o-ring piston,with bolt and washer,
looking for new bumper ideas, tennis ball sucks doesnt last long enough


please help
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Unread postAuthor: SpudBlaster15 » Sun Dec 11, 2011 6:30 pm

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Unread postAuthor: MrCrowley » Sun Dec 11, 2011 6:33 pm

Rubber, open-cell foam, garden hose to name a few...
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Unread postAuthor: mobile chernobyl » Sun Dec 11, 2011 6:38 pm

This is going to sound insulting, but I actually find that the polymer which dildo's are constructed of make a perfect bumper!
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Unread postAuthor: jsefcik » Sun Dec 11, 2011 6:41 pm

MrCrowley wrote:Rubber, open-cell foam, garden hose to name a few...



how a garden hose????

was thinking of rubber washers but lots of them on the back but dont want them too big, see act as a seal but just build it up with rubber washers would that work
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Unread postAuthor: MrCrowley » Sun Dec 11, 2011 7:17 pm

how a garden hose

Cut a small section off and fold it inside the housing.

was thinking of rubber washers but lots of them on the back but dont want them too big, see act as a seal but just build it up with rubber washers would that work
Texts from Bennett are easier to understand than this sentence, just saying.
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Unread postAuthor: Gun Freak » Sun Dec 11, 2011 7:35 pm

I didn't understand either :lol:

Jsefcik, how about a strong spring and some rubber to prevent damage to the piston? You could use rubber washers to soften the hit and then the spring can take the rest.
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Unread postAuthor: jsefcik » Sun Dec 11, 2011 7:55 pm

Gun Freak wrote:I didn't understand either :lol:

Jsefcik, how about a strong spring and some rubber to prevent damage to the piston? You could use rubber washers to soften the hit and then the spring can take the rest.


that what i was going to use the rubber washers for

just wondering would it be strong enough
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Unread postAuthor: Gun Freak » Sun Dec 11, 2011 8:24 pm

You never mentioned a spring.

I wouldn't suggest it if I didn't think it was strong enough. It is, however, up to you to find the right spring. May be difficult.
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Unread postAuthor: jsefcik » Sun Dec 11, 2011 8:33 pm

Gun Freak wrote:You never mentioned a spring.

I wouldn't suggest it if I didn't think it was strong enough. It is, however, up to you to find the right spring. May be difficult.


if i get enough rubber washers and build it up enough, i think it might work

not gonna use a spring
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Unread postAuthor: Gun Freak » Sun Dec 11, 2011 9:13 pm

Don't just use rubber washers, they don't compress enough.
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Unread postAuthor: jsefcik » Sun Dec 11, 2011 9:19 pm

Gun Freak wrote:Don't just use rubber washers, they don't compress enough.


too hard you think :D :D
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Unread postAuthor: Technician1002 » Sun Dec 11, 2011 11:07 pm

Open cell foam has worked best for me so far.
Closed cell foam breaks down and needs replacement. Use the dense foam. The core of a Poof brand football was used in my ABS test cannon.
Use a thick pad so the piston has a relatively long braking zone to soften the impact force at the end of travel.
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Unread postAuthor: jackssmirkingrevenge » Mon Dec 12, 2011 1:01 am

mobile chernobyl wrote:This is going to sound insulting, but I actually find that the polymer which dildo's are constructed of make a perfect bumper!


"Silicone rubber" would have sufficed ;)
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Unread postAuthor: mobile chernobyl » Mon Dec 12, 2011 1:05 am

jackssmirkingrevenge wrote:
"Silicone rubber" would have sufficed ;)


Nah these dildos are quite unique dildos in that they are constructed of non-typical dildo material...

you see, I stuck a test specimen of these dildos into an x-ray diffraction unit and verified that their crystallinity was in fact unique from that of silicone dildo's.

In conclusion - these are special dildos which gives them the ability to absorb impacts in a bumper situation better than normal dildos.
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