Washing Machine based RIMS
Based on the original idea from Jim Martin. (THANKS Jim!)
April 1st, 1997    Updated 2/01- Added emails related to this page and minor "enhancements"
<--- Drawing of the system

Why?

My first try at a simple controller for a RIMS heater was a disappointment, so...

Building a RIMS but it's a daunting task what with a pump, false bottom and other esoteric stuff. This simple and effective RIMS is based primarily on an appliance you (well, your wife...) already has- a clothes washer!


WRIMS Advantages
Construction

Just as viewers of Norm's PBS show must do, you too must first endure the dreaded Safety Lecture before commencing with the conversion.

Construction is straightforward but requires some advanced planning to ensure a smooth installation. Here're the steps:
  1. Procure all parts except for the washer- you (err, your wife...) should already have one. If you make her use a laundromat, don't even think of converting a laundromat washer- they're way too powerful and conversion to a WRIMS will tend to perturb the laundromat proprietor.
  2. VERY IMPORTANT! Get the wife out of the house! You'll need to be undistracted by wifely protests while effecting the washer conversion. Mentioning a sale at the mall or that a few of your brew-swilling buddies and/or her mother-in-law are dropping are some subtrafuges worth a try. Anyone with moxie enough to convert a washer to a masher is certianly capable of coming up with a good red herring. Have a nice big glass or two of homebrew to get the creative juices flowing.
  3. Wash out the washer. I know this sounds strange, but, think about what's been in that washer before your precious malt- things like "tobacco stained underwear, those old work jeans your wife found standing up on their own in the back of your closet... BTW, don not try to clean it while the little lady is around- peculiar behaviour, like a husband fooling with a washer, attracts their attention.

  4. To clean it, run the washer through the rinse cycle at least three times. Being a guy, you likely don't know a rinse cycle from a menstural cycle. Find the washer knob that has the legend "Rinse" associated with it. Pull it out to the first detent and then turn it until "rinse" is next to the pointer thingee and push the knob back in. Water 'ought to enter the future mash tun at this point. Hot water is the best and really hot water is great. Adjust your hot water heater's thermostat by rotating it clockwise (southern hemisphere brewers will need to rotate it counterclockwise) until tight then give it another 1/4 turn- maybe with some vise-grips or something. If copious amounts of steam do not issue from the mash tun, put a jumper across the water heater thermostat so that the heating elements are always on. The water heater's relief valve will likely opens as the water starts to approach a usable temperature and pressure. Stop this by wiring the relief valve shut. Blowing off the resulting high pressure steam via the rinse cycle will probably keep the pressure in the water heater below it's burst pressure. Cleaning will take awhile- about 3 homebrew units. (ed. note: You might wanta have those HB units in the backyard just in case the pressure relief affored via the rinse cycle isn't enough.)
  5. Assemble the physical pieces as shown per the drawing above. Other than cutting part of the door away and surgery on the washer's electrical system, very little modification of the washer is required. If you find yourself puzzled during the assembly process, just RDWHABH or two- at the least, you'll feel better about being stumped.
  6. If you've elected to use the simple controller, you're almost through. Wire it into the washer's internal circuitry so that it controls the mash tun rather than the knobs with those washer knobs with the obscure legends on them.
  7. If you've elected to use the enhanced PC based controller, a bit of software installation is required. First install M$'s WinDoze 666 multitasking, multithreaded, multiperplexing operating system. As befitting such a powerful OS, it comes on 8 CD's and installs into a 3.5 GB partition on a 28.8 GHz Sextium PC in about 12 homebrew units (ed. note: excluding phone calls to M$ technical assistance ). Next, install the WRIMS software. Being written in M$'s new Visual OOPs (Object Oriented Programming System), a quite a few DDLs, VBXs and such are required. A listing of some of 'em is available on a ancillary page.

The GUI (Graphical User Interface)

<--- Here's the web enabled WRIMS GUI

As you'll note from the screen capture in the image above, a rich GUI is provided. The image shows just two of the many forms in the system. The main form sports a toolbar with easily comprehensible icons for most functions conforming to the WinDoze 666 GUI spec. Errors and prompts are annunicated with helpful message boxes such as the one in the lower right portion of the screen above. The Real Time Data form in the center of the image features a graph visually indicating mashing progress. Note the response of the system to the preprogramed mashing schedule and how the terminal mash-out point is reached within 1 degK of the desired temp. The average error of on the mash shown is only 0.564 degK. Note also the precision of the data.


Software
All code was developed in OOPs. Details of the controller software are beyond the scope of this web page, however, here's a snippet of the source code to illustrate the power afforded by developing code in OPPs:
DATA PREAMBLE {STACK 89EA{ {CACHE 453F{ {INTERRUPT VECTOR 0000:463C{
{BEGIN DATA CONSTRUCT
3424 432 43 2 654364D57 83F46 2 5 431 5 45 7657 53 543534 15 756765 666
END DATA CONSTRUCT{
DEFINE {VARIABLE X AS BIG NUMBER{
670E:  IF SPARGETEMP > (FUZEQ 45 <--FUZZYPARA 345D %NOR% FUZZYPARA 78E) > SETPOINT THEN 810C
6710:  IF RANDOM (X) > RECIRCTEMP THEN GOTO 6723 UNLESS TIMER > RANDOM (X) *3 THEN GOTO 321C
671F:  POKE 234E, &H00000001
6721:  GOTO 6725
6723:  POKE 234E, &H00000000
6725:  MESSAGEBOX ("RDWHAHB, your mash is doing fine!", !45324, "Okey-Dokey!", {342F{, DOWHILE)
675A:  SOUND BREAKWIND {LOUD{
6783:  GOTO 6721
Note the use of OOP techniques such as multilinked, nested GOTO logic constructs and the prohibition of in-line comments and lower case letters which would distract from the elegant visual effect of the code. The use of fuzzy logic is shown in line 670E while the following line demostrates the use of a sophiscated OOPS function. Audible operator feedback is included on the next-to-the-last line.

HAPPY APRIL FOOLS DAY!



Emails
The following is some of the email traffic that's resulted from this page.

>Does all that fuzzy logic plug up the lint trap after a while?

I don't know- the wife got the WRIMS in the divorce that ensued from converting the washer. <g>

> Will this setup work the same on any brand of washing machine (i.e. Speed >Queen, Maytag, Kenmore)?

Maytags are perferred.  According to the ads, the Maytag repairman is bored-  letting him fix a WRIMS ought to be an "interesting" job for him.

>Will a wringer type washing machine work?

Actually it's perferred- the wringer is used as a malt mill and dispenses the milled grain directly into the tun.

Next rev. (gotta find a babe with a wringer washer first <g>), I'll use a recirc heating system similiar to yours (A HERMS) only the HX coil you have in a HLT will located in the clothes dryer instead.
===========
>It just would have been better if you had
>not named the HTML file "apr_fool.htm" but "wrims.htm" and let people
>go through it actually thinking it was for real.  I bet you could have
>hooked quite a few people and got them going.  You are creative, but
>seem to lack the "prankster" mentality. B-}

I agree totally- except for the part about the prankster mentality.  Trust me, you don't want to be around me and my coworkers on 4/1!  Recalling your advice about getting sued. <snip>, I figured some some brewer's wife would sue me or some idiot would actually wire his hot water heater's relief valve shut...
===========
>You Ought to be shot dude!

Why, did your wife catch you hacking her washer into a RIMS? <g>
==========
re: WRIMS
>>The whole thing was self-sanitizing too.  Just use the bleach dispenser thing.
==========
>...Bad judgement and Miller Lite are a dangerous
>combination.  Another reason to really think about the
>WRIMS you posted.  Some poor S.O.B. is probably trying
>to explain to a divorce court that he saw it on a
>webpage and figured it would work.  The world is full
>of <snipped name> and, unfortunately, they have access to
>Miller Lite.

No lawyers baying at the door yet.  Personally, I feel that anyone that can't see it's a joke would have to be a complete moron and would have killed him/herself long ago in another "misadventure" with technology.  Darwinism as it were...
==========
You laugh but I did WRIMS twelve years ago. I was not married yet so I didn't have possible conflicts with the WIFE 1.0 software. I was a beer brewing crazy  with beer drinking crazy buddies sharing the rent and emptying my suds as fast as I could brew them. I brewed about 50 kits before brewing about 50 full mashes. I would temperature boost my Ritchie Brewheat by drawing off wort and pouring it back up top of the mash. I quickly added a pump and I was manually controlling the temperature like a RIMS (1985). Many things "got my goat" about full mash brewing. 1. The mess (thank god I was not married yet). 2. The inability to repeat a good batch a second time (tough I kept accurate records of every batch). 3. The time (I'd rather be sailing and drinking my suds). I was brewing in the kitchen (very large) on the top of my used 25$ washing machine. This got me thinking, jokingly at first, but then quite seriously, about converting my washer. I finally disabled the mixing arm in the tub and used the washer pump to recycle the wort through a 110V hot water heating element. I used an el-cheapo hot water heater thermostat (I lit up when I saw the 140-160° temperature range). I did brew a few batches in the washer but I abandoned because of the icky sticky leaking mess it made. I also screwed up the washer controller trying to modify the timing cams. Properly done, I was convinced (and I still am) that a full barrel mash system can be made from a washing machine.

==========
>I have come to the conclusion
>that you have put too much emphasis on the GUI interface and not on the
>GOOEY mess.

Gee, aren't they one and the same?

>I humbly submit the WCRIMS. What's the "C" for pray tel? Clauset of course.
>Water clauset RIMS!

<Snipped name>, ya really need to publish your invention.  I'll bet 99.9% of all homebrewers have a toilet just waiting to be converted.  Maybe a tee and a pair of valves in the drain outlet would allow conversion of an existing toilet and still allow normal usage whilst one is not mashing or to readily dispose of failed mashes.  When you get the system automated and mashing unattended, you might want to add a warning light so potiential pottie users don't think that the last person using the toilet forgot to flush.

>Drilling through the porcelain is an art. I am at my third bowl now and I am
>just starting to get hang of it.

Hydrofluoric acid will eat a hole clean through it.

>The porcelain is an
>excellent firewall and it is an electrical insulator as well.

Very good points.  Easily to clean also.  I was going to suggest a stainless steel toilet like those used in prisons, but, it's neither a fire barrier or an electrical insulator.
==========
> BTW I finally read the WRIMS page and nearly fell off my chair!  You know,
>with the right software, it just might work...

Hey, the GUI has the obligatory cute (but meaningless) clickable icons.  What more could one want <g>
==========
>Thank you very much for the WRIMS conversion instructions. I think they
>will be quite useful once I wish to obtain a divorce.
==========
A real WRIMS! :
>So I've just finished reading about the WRIMS system based on my wife's
>washing machine, only to learn that you were only joking.  In the
>meantime, here I am sitting on the basement floor surrounded by pieces
>of washing machine and the guts of my old '286 computer.  Worse, my wife
>says there's no clean towels in the house, but it makes no difference
>because I'll be moving into the Days Inn down the street until the
>divorce is final.

What luck- the Days Inn likely has one of those big commercial washing machines!
==========
>Re your <blush... snipped> WRIMS system;- the spin cycle of the washing machine
>does in fact make a good large volume centrifuge if as a result of a
>mis managed mashing you have a very cloudy wort or wish to spin yeast
>slurry down.
>1...Place a couple of wet towels in the bottom of the machine to give
>     it a bit of mass to spin,.The towels dampen out any balance
>     irregularities that otherwise seem to always occur.
>2...Cut a ring of styrofoam to fit in the bottom of the bowl over the
>     towels
>3.. Cut 4 holes in the foam at 90 degree intervals to take the bottom
>     of 2lit PET bottles
>4...put solution to spin into the bottles
>5...stand the bottles in the holes in the styrofoam ring
>6...with a stout cord tie the necks of the bottles together so that
>     they are canted towards the centre agitator.
>7..another styrofoam ring cut to take the necks of the bottles is a
>  better idea
>8..tell spouse person that her mother rang
>9. during ensuring phone call spin solution down.
===========
>Mr. Pritchard,

You're obviously trying to correspond with my Dad who is internet impaired.  I'm just C.D. - pronounced in red-neck as "seedy".


Comments and questions to: null@aol.SNAFU
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miserable failure