Instructables

Gravity feed syphon drip watering setup using Knex and old soda bottles

Picture of Gravity feed syphon drip watering setup using Knex and old soda bottles
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I came up with this watering system to water some plants in out of
 the way places...  It helps if you are aware of how a siphon works...
 The number one thing is that your reservoir is above your outlet stand...
 I built this at The TechShop in San Jose California...  

http://techshop.ws/

Gabriel Aceves
 
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Step 1: Supplies...

Picture of Supplies...
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Ok you need an empty clean soda bottle, 1/8 inch od. vinyl tubing(available at hardware store)
 and all the kynex shown in the picture...  A tool to heat up and poke 2 holes slightly smaller then
 1/8 inch in your bottle cap...

Step 2: Step One... Putting the holes in the bottle cap...

Picture of Step One...   Putting the holes in the bottle cap...
So you are going to want to get your tool and heat it up and burn 2 holes in
 your bottle cap...  One is for your tubing to go through and the other is to equalize
 pressure as your water leaves your bottle....   Make sure at least one of the holes
is a little smaller then your tubing so the tubing slides with a little resistance...
 If the hole is to tight it will close the tubing up and your water will not flow....

Step 3: Step Two.... Cutting and installing tubing in bottle cap...

Picture of Step Two....   Cutting and installing tubing in bottle cap...
So now you are going to want to figure out where you are going to put your reservoir
and measure out enough tubing to go from your plant to your reservoir and then add 2
 foot to that length to compensate for mismeasurements and the tubing that goes through
 the stand and into the bottle...   Cut your tubing...  Cut one end at an angle...
 it makes it easier to pull it through the bottle cap...   Now push the angled side through
 your bottle cap and feed enough through to reach the bottom of the bottle....
 

Step 4: Step Three... gathering Kynex peices...

Picture of Step Three...  gathering Kynex peices...
So now we are going to gather all the nessasary kynex peices and get them ready
 for assembly...   So look at the pictures and get all your kynex....
Good idea, very nice job!