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weird sprinkler valve

A place to ask general spud cannon related questions.
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weird sprinkler valve

Unread postAuthor: aussiecyclist » Sat Jun 18, 2005 12:51 am

ok well it may soud strange to some of you but i recently bought a valve for a cannon i have now made.
i set up the elctronics for it(didnt want to 'soup' it up just yet), fired it a few times. great cannon, works perfect

i then notices a small black screw just to one side of the sloinoid, i turned the srew and KA-POW the piece of carrot i had stuck down the barrel went flying gracfuly in a low arc intop the family car.

i have now scrapped the electric 'trigger' and now use this sort of manual overide screw to fire the cannon.

just wondering if anyone else has found this sort of thing on any sprinkler vales??
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Unread postAuthor: iamthewalrus » Sat Jun 18, 2005 4:08 am

i think thats thats the on/off trigger, i never payed attention to that really, good idea, a blowgun prolly still opens faster but this way if u dont mod it u still dont need batteries, by the way, what type of sprinkler valve is it??
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i got connections with the modfia, watch who ur talkin to noob.


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Unread postAuthor: spudshot » Sat Jun 18, 2005 6:25 am

i've dont that before i modded my sprinkler valve, i tested to see which opens faster, manual on/off, or electric, they performed the same, then i just modded it, and got a hell of alot more power

thats on nearly all sprinkler valves, it looks different in different models, but it should be there
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Unread postAuthor: Wisehorn » Sat Jun 18, 2005 7:59 am

That screw is actually the emergency bleed. Its not good to keep using it though, its only meant for when the batteries die. It'd probably be better to use the electrics.
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Unread postAuthor: aussiecyclist » Sat Jun 18, 2005 5:00 pm

its a Irritrol 204/205 Series - Richdel Valve

says its opperating pressure goes to 150PSI
it says the screw is a manual beeld



would useing this bleed to trigger the cannon damage the valve?
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Unread postAuthor: Spencer » Thu Jun 23, 2005 9:19 pm

Its not designed to be used over and over but only time will tell.
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