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Materials list for the pulser pump model   1st July 2001
These are the exact list that I used for this model. You can substitute your own local equivalent as necessary
Measurements are in feet (') and inches(")
 (I can put in the metric equivalent if needed.
An 8 ft long piece of 2"by 4" timber
A  22 inch long piece of 2"by 4" timber
A 30 inch long piece of 2"by 4" timber
A 35 in  long piece of 3/4" internal diameter (1 inch external diameter) clear vinyl pipe A 79 in  long piece of 3/4" internal diameter (1 inch external diameter) clear vinyl pipe
A 58 in  long piece of 3/8" internal diameter  clear vinyl pipe
    22     3 and a half inch screws (screwed side by side, these hold the pipes in place against the wood)
A 1 and a half inch screw (holds the top cranberry juice container in place.
About 7 3 and a half inch nails to nail the 2 by 4 planks together.
Orville redenbackers hot air popping corn container (850g) 7 inches long
Ocean spray cranberry juice container (1 liter)
  TOOLS
Drill, 3.5 mm drill bit (for pilot holes for screws and nails)
1 inch forstner drill bit. (This did a good job cutting the holes in the plastic bottles and lids.
PROCEDURE
Nail the 22 inch 2 by 4 to the 8ft 2 by 4 starting 10 inches from the bottom
Leave a 7 1/2 inch gap and nail the 30 inch 2 by 4 above that.
Carefully cut a 1 inch hole in the bottom of the  Orville redenbackers hot air popping corn container using the forstner drill bit and using a piece of wooden handle  in the container so it does'nt.t collapse.
Fit the shorter piece of 1 inch pipe into it and push it through about 1 inch.
Cut, drill or burn a hole (slightly smaller than the external diameter of the 3/8 inch pipe) in the bottom of the  Orville redenbackers hot air popping corn container.
Use the forstner bit to cut 1 inch holes in the lids of both containers.
Cut 2 1 inch holes in the side of the cranberry juice container (at 90 degrees to each other). near the bottom.
Join the pipes into the containers as shown in the diagram. Use the short screw through one of the holes to secure the cranberry juice container to the 2 by 4 behind it.
Use the 3 1/2 inch screws (or nails)  (BESIDE not through the pipes!) to secure the pipes against the wood
Secure your model vertically against a wall, put a garden hose in, turn on and adjust the water flow and your model should work!
NOTES You can use 2 Orville redenbackers hot air popping corn containers (and no cranberry container) if you like. I had only one.
You can substitute a 58 inch length of 6 mm tube for the 3/8 inch tube if you like.
I did not have any and 6 mm probably works a little better.
Happy modeling
Brian White