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Old June 5, 2008, 08:29 PM
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Sorry for the delay in response.I'm in werk season .....

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Polymer caps are rated -55c I believe.But that is the standard minimum temp for consumer products....I'm betting cold is no problem , they are all plastic after all.....

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Update time.

I have re-thought a couple of things.I decided the dewar isnt big enough , based on the sizes of the pump I am making.

Therfore , I have purchased a fullsized keg , and 2 foot section of 12" stainless pipe to make a larger dewar.I'll have pics soon.

I feel this step is required based on safety design actually , and here's why ;

The way I am designing this , If the power fails , all the liquid in the main tank (the glass one) needs to drain out , by gravity .The bottom tank where the dry ice is , is safer than the main one from a fire standpoint ,based on the co2 output of the DI.

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I am sizing the first piece of borosilicate glass for order.While I'm making it as thrifty as I can , the glass bill will exceed 700$ , after all is said and done I'm sure....so'k tho , the first 300$ of glass is paid for.
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I am in contact with Dow Corning regarding silicone sealants.They suggest -80c is no problem.

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I have done more thinking regarding the pump.we'll see ....


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  #32 (permalink)  
Old June 5, 2008, 09:42 PM
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If you are allowing visitors when you get this thing ready to fire up LMK. :D
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  #33 (permalink)  
Old June 6, 2008, 06:26 AM
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My System Specs

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You are really crazy. This project is really cool. Keep it up.


Play safe.
  #34 (permalink)  
Old June 6, 2008, 05:30 PM
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Quote:
Originally Posted by Eldonko View Post
If you are allowing visitors when you get this thing ready to fire up LMK. :D

Yer on the list.

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Quote:
Originally Posted by Jack Rabbit View Post
Play safe.
It might not be evident yet , but I am.

At this point the 'safe construction' bill is well over a thousand dollars.It'll probably be 2 by the time I'm finished.

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Old June 13, 2008, 08:28 PM
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heheh...

heeeheee




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soon......

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Old June 17, 2008, 05:49 PM
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Ok....

wee update time.

I have officially placed the glass order.

I have 4 pieces of Borofloat33 5mm borosilicate glass on the way.

Total cost is $497.99 + shipping from T.O.....

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The top of the keg has been cut out with a plasma torch ;



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I am also working on the main tank inner.

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I will be going to my local RC/hobbyshop this week to talk about brass propellers for RC boats.They'll make a very nice pump impeller , and they are about 40 bux.

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Old June 17, 2008, 06:31 PM
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nice BrainEater keep the updates coming

i check like hourly to see if you've updated lol (ok not hourly but minimum daily)


keep up the good work i look forward to the next update!
  #38 (permalink)  
Old June 17, 2008, 07:25 PM
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Thx Mang !!

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I almost forgot ....i've also decided on the lighting , since it needs to be installed as the secondary tank is built.

I will be using 1 watt 'royal blue' cree x-lamps.Probably 3 or 4 of em.Under the bottom pane of borosilicate glass.....I doubt cooling will be an issue....heheheh

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Old June 28, 2008, 02:34 PM
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quick update :

My glass will be here this week.

I'd like to thank Diane at Cascade Glass of Calgary.
Thanks for the help !!

(I'll provide a full list of supporters/suppliers/sponsors/etc sooner or later.)

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I have found the silicone sealant I need.

Momentive performance materials (formerly GE silicones)

-115 C will be just fine.

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Old June 28, 2008, 03:13 PM
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this is ******* awesome!!!!
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