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-   -   SS autosiphon... any interest?? (http://www.homebrewtalk.com/f11/ss-autosiphon-any-interest-253434/)

Golddiggie 06-25-2011 07:09 PM

SS autosiphon... any interest??
 
I'm going to be working with a friend that has a lot of CAD/3D design experience to design up a stainless autosiphon tube/setup. I plan on locating a local machine shop to get one made (for myself)... IF this works, is there any interest (at all) from anyone else? I'm looking to get one since the plastic one I've been using is starting to show age. If I'm going to replace it, I'd rather replace it with one that I won't need to replace again.

My idea is to have a 304 SS tube and cane, with the bottom of the outer tube having either a pressure fit end, or have it threaded. This way, you can take the end off, fully clean the tube, as well as the working end of the tube. I see the biggest hurdle being the one way valve in the bottom of the tube. That's where my friend comes into play. He should be able to design it up so that it works properly, and isn't a nightmare to manufacturer.

I have no idea what this will cost to make, yet. It could be more expensive than I think it could/should be. The more difficult part could be to get the tube and cane to work properly with each other.

Has anyone else thought to do this already? I know there are SS racking canes out there already. Just wondering why there's no autosiphon to work with them...

OldManHouston 06-25-2011 07:35 PM

I've wondered why you never see a SS autosiphon. My racking canes are SS and I end up replacing my autosiphon once a year because I either break it or crakcs develop from cleaning with too hot water or something. Would be real interested in this if the price is reasonable.

Golddiggie 06-25-2011 07:40 PM

Wasn't sure if the SS cane would fit into the plastic siphon tube, or not... I might have to try that out... The LHBS has both the SS canes and autosiphon's in stock, so I could try it there. It would let me at least try that configuration. It would also allow me to let my friend have a working item to model after... Or I could give it to the shop to use as the template.

No idea on how long this will all take to make... I might just offer the design/plans up for HBT supporters (as a friendly gesture to those that also contributed to the site to keep it running)... :rockin: If the interest is high enough, I might work with a vendor to offer them that way... But it would need to really be worth it.

emjay 06-25-2011 07:43 PM

I'd pay some pretty decent money for a SS autosiphon, as long as the gasket is silicone or something equally suited to sterilization.

I have all the widely available sizes of SS racking cane, as well as all sizes of autosiphon, and none of them work together.

KingBrianI 06-25-2011 07:45 PM

I'd buy one if it didn't suck air into the tube during racking. The damn plastic ones do that for me every time no matter what I do to try to stop it so I end up pouring some beer in the outer tube but it gets sucked through too.

Golddiggie 06-25-2011 08:03 PM

Good points on all counts... Once I get one that I like made, I'll see about getting a few more for 'testers' to use...

I was already thinking of going with high grade silicon for the seals, or something equally great/food grade.

I've seen the air in the gap where the tubing connects up... I might get them to make the cane with a barb fitting on the out end, to make adding tubes easier.

What do you guys think, should I go for a 3/8" or 1/2" cane size? I'm thinking of getting it all made at the same time/place so that I can be sure of a proper (tight) fit where needed.

Do the current SS canes have a screen on the end?

Something that just popped into my head, it shouldn't bee too difficult to get a SS mesh screen to go on the end of the siphon tube for people that are dry hopping with whole hops. Maybe even have it so that it has enough tension on the opening (of the screen) that it just rests in a groove (on all the autosiphon tubes) to make it stay on during any normal use.

IF I can get this done up right, I think it could make a lot of people's brewing easier. Still, need to get it designed and find some place to make the first few. I'm probably going to draw up the modifications as I envision them, to help my friend out... I'll be hooking up with him after work this coming week. He's got some empty bottles to return to me, and I have some full ones to give to him. :rockin:

DeafSmith 06-25-2011 08:03 PM

I'd be interested if the seal is heat resistant (silicone?) and if the cane is 1/2 inch OD like the large size autosiphons so I can use 3/8 ID silicone tubing (this fits perfectly on my 1/2 inch plastic AS). What's the patent situation on the autosiphon - possible problems there if you're going to sell these?

HHP 06-25-2011 09:33 PM

I would use one, siphon hot liquids, brett, lacto, and other nasty bugs ... this would be a winner.

phenry 06-25-2011 10:24 PM

Well I just ripped mine in half wrestling my siphon tubing off, so I'd definitely be interested in one if it wasn't absurdly priced.

Bigscience 06-25-2011 11:37 PM

Quote:

Originally Posted by KingBrianI
I'd buy one if it didn't suck air into the tube during racking. The damn plastic ones do that for me every time no matter what I do to try to stop it so I end up pouring some beer in the outer tube but it gets sucked through too.

I get this too IF I use starsan but not if I use iodophor. I think it's the "slickness" of starsan.

I'd also be interested in an SS unit too.


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