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gas cannon

A place to ask general spud cannon related questions.
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gas cannon

Unread postAuthor: bravootome » Fri Dec 26, 2014 2:13 am

a spud cannon project.
Most people around here are eggplant agricultures. one guy here developed a cannon to scarry the rabbits that eat th plants.
The cannon run by itself during th night making a BOOM each 30 min. A large Boom that is heard by 5 km all around the village.
I need advice to make one too.....to scarry the rabbits also. Spud cannons are not my speciality and i dont know many things about built. I supose there is a controller that opens a valve and give a spark. What shoud i use as a controller ?
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Re: gas cannon

Unread postAuthor: D_Hall » Sat Dec 27, 2014 6:55 pm

If this is a real agriculture application, best idea is to simply go buy one. They make 'em, ya know....

http://scarecannon.com/
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Re: gas cannon

Unread postAuthor: bravootome » Sun Dec 28, 2014 1:17 am

D_Hall wrote:If this is a real agriculture application, best idea is to simply go buy one. They make 'em, ya know....

http://scarecannon.com/


they aren't for sale in my country......i prefer making it myself.
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Re: gas cannon

Unread postAuthor: jackssmirkingrevenge » Sun Dec 28, 2014 12:11 pm

Sounds like you'd need a simple solenoid valve blowing propane through a venturi to mix it with air, followed by a HV sparker shortly after,

A timer circuit for 5-10 minute intervals is not too difficult to make yourself: http://www.electroschematics.com/5963/a ... 10-minute/
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Re: gas cannon

Unread postAuthor: Brian the brain » Sun Dec 28, 2014 3:21 pm

Or some carbide...and a timer to add water and spark on time..
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Re: gas cannon

Unread postAuthor: wyz2285 » Sun Dec 28, 2014 7:24 pm

Or a sentry with one of your rifles,


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Re: gas cannon

Unread postAuthor: bravootome » Mon Dec 29, 2014 2:27 am

Brian the brain wrote:Or some carbide...and a timer to add water and spark on time..


no, i will use GPL gas and as a valve i'll use one from my car ( it runs on GPL) For the spark i also use parts from th car....
The controller is my problem...
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Re: gas cannon

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Re: gas cannon

Unread postAuthor: Technician1002 » Wed Dec 31, 2014 5:26 pm

bravootome wrote:no, i will use GPL gas and as a valve i'll use one from my car ( it runs on GPL) ..


Are you dyslexic? GPL is a software license. LPG is a fuel. :mrgreen:
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Re: gas cannon

Unread postAuthor: Labtecpower » Wed Dec 31, 2014 8:03 pm

GPL is French for LPG, no mistakes here :P
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Re: gas cannon

Unread postAuthor: bravootome » Thu Jan 01, 2015 4:04 am

Labtecpower wrote:GPL is French for LPG, no mistakes here :P


actualy GPL is Romanian for LPG- i didn't knew you guys dont speak romanian ... :D
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Re: gas cannon

Unread postAuthor: wyz2285 » Mon Jan 05, 2015 5:20 pm

GPL is LPG here too, same for most European countries too I think. There are a lot cheap timers on Ebay, you should take a look.
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Re: gas cannon

Unread postAuthor: harika » Sat Apr 02, 2016 7:51 am

Instead producing sound you can generate a ultrasonic repeller in particular intervals of time.timer can be very simple to build
http://www.electronicshub.org/adjustable-timer/..This does not harm the rabbit,instead they scare them..
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