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GMNives 08-10-2008 10:51 PM

Help with creating a stable water seal?
Greetings all,

I've been spending the last few days building a home-made Tesla Turbine out of some random parts that I had sitting around the house... I've encountered something that I've found to be kind of frustrating in the process.

The design I've settled for runs on average hose water pressure... So to move along with things I need to create a water-tight seal to get as much performance efficiency as possible...

I've spent the last day now sealing and resealing this darned contraption over and over without success. I've used two different products - and instead of going through more chemical-messy trial and error; I figured it'd be better to just post a question here.

What kind of product would be best for creating a water-tight seal? I need something that will bond to plastic, preferably. Every person I ask gives me a completely different answer...

Anyways, thanks for reading.

ccarlisle 08-11-2008 06:41 AM

Depends on the type of plastic...ABS, PVC...carbonate... what?

GMNives 08-11-2008 09:53 AM

Oh! My apologies...

The cakebox that I'm trying to water seal is actually the spindle for a pack of CD's. So it would be plastic.

joed 08-11-2008 01:25 PM

Hot glue?

GMNives 08-11-2008 03:06 PM

I was actually thinking about trying that - I just wasn't sure if it would be better than marine goop or something...

evapman 08-11-2008 05:37 PM

Goop is what i would try, have used it on almost everything with good results. The type of joint will also make a difference. hope this helps some, good luck

JohnJak 08-11-2008 06:34 PM

Try a polyurethane base silicone.

gregzoll 08-11-2008 07:13 PM

Seals that are used to stop water intrusion for Shafts that are used for Turbines & Propeller, are Inflatable seals that are made of a durable rubber. For what you are doing, you have to figure a way to turn the turbine inside of the object, to turn a shaft for a Generator.

GMNives 08-11-2008 07:15 PM

Oh yes! I know... I've already worked all of that out... The problem is that the pressures in play have popped the water at the base of the Cake-box. I went to home depot and poked around earlier... I'm going to have a go at it later tonight.

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