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Cheap generic blowguns

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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Cheap generic blowguns

Unread postAuthor: inonickname » Thu Aug 27, 2009 6:26 am

On numerous pneumatic guns SpudFilers use the generic inline blowgun available for several dollars.

I recently bought another for my co-ax after cracking the last one by screwing it in too far, however I was disappointed to find that it leaked at pressures below 50 psi, making pumping with a shock pump difficult.

I decided to take it apart and remove the spring, then replace it (NOTE: this type has a different trigger with two small bits going back to prevent the trigger from moving around). On opening it up I found to my dismay....plastic! The valve housing was plastic, and the seals were rubbish. Hardly a piece of engineering.

Not an issue for those running at around 100 psi ranges, but for those using low volume pumps or high pressures be on the look out for the following symptoms:

-Extremely easy trigger pull in comparison to similar blowguns
-Trigger has two small prongs to prevent the lever from flopping around
-Random leakage at low pressure.

Obviously a plastic (it wasn't any kind of good plastic, just rubbish) valve housing wouldn't cut it at 400-500 psi. It could crumple, crack, split, completely fail etc.

The good news? If you bought the new blowgun to replace the old one (due to cracking etc) the metal internals and spring are a direct perfect replacement for the plastic ones, with no issues.
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Unread postAuthor: twizi » Thu Aug 27, 2009 2:32 pm

was it a kolbolt blow gun all my blow guns are metal
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Unread postAuthor: Hotwired » Thu Aug 27, 2009 4:26 pm

Nothing wrong with a good cheap generic blowgun.

At least not the ones I use: Clicketh

The ones I don't use look like this: Clicky

Those pointy bits at the back dig in to the valve metal if they get the chance to. Annoys me. So I pay a bit more for the other one. It looks better too imo :]

I don't think there's any problem with the plastic in there, I've just opened up a blowgun beside me and it seals on a plastic section on the valve...
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Unread postAuthor: FORE!!!! » Thu Aug 27, 2009 5:14 pm

I must say Hotwired that first blowgun is very sexy,"I want one" :(

Its a shame that all ive been able to find is the one you dont use :shock:
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