Joined: Wed Sep 22, 2004 9:09 pm
Posts: 1032
Location: Mount Holly New Jersey
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Next,...
Apr-01-2007 (sPI9000z)
Here's the new and improved bubble chamber. It is new and improved but I am trying to phase this whole bubble chamber out. I dont think I need it any more. Anyways,... few bubble holes and in the middle this time. Why? Because the bubbles sit mostly around the inside parameter. Makes sense to put the holes in the cetner. The inner tube thing to see there is a bypass tube for filling. No more pouring in a little water and waiting or tapping it to get the water to go through the holes. I was actually filling past reservoirs through the barbs and topping off through the top of the reservoir. For this reservoir,... you just fill through the top. That fill tube I left a bit long. You'll see why later.
Here's the bottom piece. Actually this isnt the bottom piece. I changed the design of this thing. It's so much better now. I'll explain later.
Here im making the bottom blades that will help get this thing turning and keep it turning. I'm drilling with a 1/4" hole bit at an angle, the very edge. I will glue this blade and 4 others to the 1/4" tubing that I use as a shaft. The idea is that you want each piece to have as much contact as possible for strength.
Crappy camera cant get a close up but you see the groove I cut?
 
WHAM. You see what I mean:) Thats $%^[email protected]# is strong too!!
Perfect little fan.
Making the arms that will hold the spiral to the shafts. Same thing, 1/4" hole bit except straight down this time. This is so the arms are on the shaft straight.
I trimmed some slack off the bttom of the spirals so it fits the reservoir body.
So cool. It like super snug on that pipe. It's so cool.
Here's what is going to hold the spiral together. Notice there are pieces instead of a whole shaft. I believe that having a whole shaft especially this long,... would have a lot of unwanted friction while turning. So by having less shaft, less friction. Only thing though,... i have to remember for next time,... to put one of these at the very top or make sure theres one at the very bottom and one at the very top. The highest one is just above half way. The spiral has a slight shimmy while turning. Not too noticable but it can be prevented. so yea.
Look at that [email protected]#$!!! AHHHHHHHHHHHHHHHHHHHHHHHHH! So cool. What I did was put the spirals back on the pipes and spaced then evenly apart then I taped them down so they couldnt move. Thats how I held them in place while gluing. I left the area that I was gluing hanging off the end of the pipe. It worked very well.
You see the gradient effect on the edges? Thats the knifing I was talking about. So cool.
yum.
Almost done. Cashews anyone?
Here the fill tube being to long. Now,... When I put the top on,... evrything has to have contact. If it doesnt it wont seal. So what I did was put the reservoir on the mitre saw and I trimmed the whole top so evrything was perfectly even. Worked so damn good.
Done. Well,... kinda.
     
There's more,... I hope I'm not overwhelming you guyz:)
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