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Single shot airsoft

This area is for the discussion of BB or airsoft sub machine guns, and or other small arms such as pellets.
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Re: Single shot airsoft

Unread postAuthor: farcticox1 » Fri Jan 19, 2018 5:33 am

Jack hints at 850psi :idea:

Have you tried this app https://play.google.com/store/apps/deta ... full&hl=en
there is is a free version somewhere, I do have it saved somewhere I think.

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Re: Single shot airsoft

Unread postAuthor: hectmarr » Fri Jan 19, 2018 5:50 am

farcticox1 wrote:Jack hints at 850psi :idea:

Have you tried this app https://play.google.com/store/apps/deta ... full&hl=en
there is is a free version somewhere, I do have it saved somewhere I think.


850 psi is enough pressure. Thanks for the information.
I'll take a look at this application, but I think I'm going to build a homemade chronograph, I have to get a diagram. Thank you, farcticox1 :)
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Re: Single shot airsoft

Unread postAuthor: jackssmirkingrevenge » Wed Jan 24, 2018 7:40 am

hectmarr wrote:The problem is that I do not have a chronograph. In my country, they are very expensive.


Is importing such items a problem, do you have high customs tariffs?
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Re: Single shot airsoft

Unread postAuthor: hectmarr » Wed Jan 24, 2018 8:34 am

jackssmirkingrevenge wrote:
hectmarr wrote:The problem is that I do not have a chronograph. In my country, they are very expensive.


Is importing such items a problem, do you have high customs tariffs?

Yes, they are of the order of 50% of the value of the product. The problem is that I already spent the money for hobby ... I bought a turbojet for model airplanes. For now I should not spend more. :( I'm looking at the possibility of making one, well done, but I still lack information and understand everything.
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Re: Single shot airsoft

Unread postAuthor: jackssmirkingrevenge » Fri Jan 26, 2018 9:27 am

That's a shame, we could have sorted something out.

Jimmy had plans for a relatively easy and cheap one here: http://www.inpharmix.com/jps/Jims_chrono.html
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Re: Single shot airsoft

Unread postAuthor: hectmarr » Fri Jan 26, 2018 10:24 am

jackssmirkingrevenge wrote:That's a shame, we could have sorted something out.

Jimmy had plans for a relatively easy and cheap one here: http://www.inpharmix.com/jps/Jims_chrono.html

Thanks Jack for the link.
Actually I am inclined to build one with photodiodes that are very low price. The part of the calculation wounded him with the computer and one of the various software that I have to compose music. These "read" electrical signals are from a microphone or whatever. This is the design that I like, on youtube. It should be enough to determine the speed of the experiments.
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