Making Pumps

[ActiveA]

Well, i thought I'd post a guide i made a while back. I may be new to this site but I'm going to contribute as much as possible, because this site is great and i want to help.

 

Anyway, this is pretty much a basic how to make any sort of pump for the beginner. You won't have your rock hard Comets but the ones i have are strong enough to have to use a hacksaw to get through them. Its not for the pros but its good If your down in cash and want a pump.

 

Lets start off.

 

You will Need:

 

- Plasti-bond, I'm using Sellys two part adhesive, You could use superglue if you want but it just needs to dry rock hard.

 

http://i175.photobucket.com/albums/w150/blackanarchist/IMG_1095.jpg

 

- Pipe, I use PVC with a 1inch ID for my comets, and it works fine but you can use whatever comes to mind. I like PVC because its cheap. You will need a length of whatever size you want your pump to be as well as a 1 inch peace of the same pipe to make the "plug" for your pump.

 

http://i175.photobucket.com/albums/w150/blackanarchist/IMG_1098.jpg

 

- A dowel or something to be a shaft for your pump's "plug". I used a tent peg i had laying around.

 

http://i175.photobucket.com/albums/w150/blackanarchist/IMG_1099.jpg

 

- A vice to hold the peg/dowel in place.

 

http://i175.photobucket.com/albums/w150/blackanarchist/IMG_1102.jpg

 

- Something to mix the two part glue in place, i just used a lid (don't need a picture of that).

 

- Some wax or lubricant, i used car wax that i borrowed from my father.

http://i175.photobucket.com/albums/w150/blackanarchist/IMG_1094.jpg

 

Ok here we go.

 

Step one.

 

You need your smaller piece of PVC piping or similar piping. Get your wax and swear into the inside of the piping as your plug will slide easily out of it. Get your two part glue and mix a small amount on your lid, using a spoon or some kind of utensil to scoop the glue into your piece of PVC. Put your dowel/stick/tent peg into the mixture in the middle, it doesn't matter if its a little messy.

 

http://i175.photobucket.com/albums/w150/blackanarchist/IMG_1103.jpg

 

http://i175.photobucket.com/albums/w150/blackanarchist/IMG_1105.jpg

 

Step two.

 

Now that you have your dowel/stick/tent peg in the goop, get your vice and make it so the peg is held firmly in place, leave it for however it takes to dry.

 

http://i175.photobucket.com/albums/w150/blackanarchist/IMG_1106.jpg

 

Step three.

 

Your almost done, now crack, or slide your plug out of its casing of piping and and have a look at it, make sure there are no air bubbles in the front of the plug and then chip away at the top to get a nice smooth fit into your larger piece of PVC/piping so it fits like a charm.

 

http://i175.photobucket.com/albums/w150/blackanarchist/IMG_1107.jpg

 

http://i175.photobucket.com/albums/w150/blackanarchist/IMG_1108.jpg

 

File it down if you want.

 

http://i175.photobucket.com/albums/w150/blackanarchist/IMG_1110.jpg

 

http://i175.photobucket.com/albums/w150/blackanarchist/IMG_1112.jpg

 

http://i175.photobucket.com/albums/w150/blackanarchist/IMG_1113.jpg

 

 

I hope you get what i mean and this guide helps. Also to get your comets/stars a little harder i like to hammer the peg with a rubber mallet to get a rock hard comet.

 

Cheers, ActiveA.

[Mumbles]

I think what you have done is very cool, and may be useful for specialty tooling, like crossettes or cavity comets or off sizes. However, don't you think that a dowel would just work equally well for the application of flat comets?

[ActiveA]

I think what you have done is very cool, and may be useful for specialty tooling, like crossettes or cavity comets or off sizes. However, don't you think that a dowel would just work equally well for the application of flat comets?

Ah very true, for some reason i can never find a dowel to fit my ID of my tubes...

 

 

I think making cavities and what not wouldn't be to hard but it would take some time to get the size and depth right.

 

 

Thanks.

[oskarchem]

Ah, very nice I Will try that out very soon.

[crazyboy25]

nice observe my high-tech alternative http://www.growforce.co.uk/product_images/1061/thumbs/1/10-cc-plastic-syringe.jpg

 

 

but they get clogged so im thinking about buying a nice aluminum one.

[ULTRABUF]

If you wanted to make like a crossette pump or something with a cavity, you could probably make the cavity part out of wood first and use that to make a mold so you could cast one out of whatever type of resin or hardening substance you are using. If you have access to a furnace and some foundry sand you could make one out of aluminum as well.

[ActiveA]

nice observe my high-tech alternative http://www.growforce.co.uk/product_images/1061/thumbs/1/10-cc-plastic-syringe.jpg

 

 

but they get clogged so im thinking about buying a nice aluminum one.

This is mainly for bigger stars and comets.

[Chris]

Polyester resin is also wonderful for casting pistons and such for tools. Dries very fast, is pretty easy to work with and can be mixed with sand for better strength.

[Gottagotomoz]

Very nice job indeed. I may have to make another trip to the hardware store soon. Instead of using a peg, or something thin like that, don't you think that using a thicker "dowel" would make for harder comets? I'm just thinking that something like a 3/4" dowel in the adhesive would provide a better surface to hit with a rubber mallet, no?

[ActiveA]

Yeah, a peg was all i could find at that moment, thats for the tip though, i like to use my vice now.

[mormanman]

nice observe my high-tech alternative http://www.growforce.co.uk/product_images/1061/thumbs/1/10-cc-plastic-syringe.jpg

 

 

but they get clogged so im thinking about buying a nice aluminum one.

Take off the rubber plug and they will never get stopped up. I use them all the time b/c my mom is a nurse so.