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Thread: EM0480 Mod

  1. #1
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    EM0480 Mod

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Hey, can someone post a mod that kaulity man made? i want a idea what it is like thanks :)

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    Re: EM0480 Mod

    Sorry CK got your email and responed only to find that i had sent it to Andy Freeman!
    Got your email but need better photos for this site. batteries flat in camera so ill fix that and get them posted.
    Sorry about the delay MIL problems...she likes hot choc though!


    Still having fun?

    I tried roasting in an Aldi popper which is the same same Brevile and I think it was Mal that said they are way too hot. He was right 240 degrees C to be exact. Roasted 100gams in 5 minutes flat and I mean they were roasted!!!! Quite a distinct flavour!!!!!! My guests seemed to like it.....must have been the sugar and the milk!!!!!!!

    I am now trying to gain control over the temerature. Ill let you know if i manage this one. Good source of heat and a good air flow with about 100 to 120grms of beans.
    So if we can control the temp?????

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    Re: EM0480 Mod

    Hey i nearly forgot. Are you having trouble with your EMO480 and the fact that you have to keep the hopper full to get it to grind the last few beans?

    Well i have to tell you that i only grind what i am about to consume and the EMO480 runs so fast that the last few beans fly off in all directions and do not always go through the burrs.

    I tried switching the unit on and off a few times and found that the beans eventually made their way through the burrs. This led me into thinking about reducing the speed of the grinder.

    I pulled out a very early model drill speed controller, Tricky Dickies, and plugged it in. Hey presto abracadabra and I can now control the speed of the burrs reducing the speed to get every last bean.

    So my coffee workshop gets another tool.

    When is this going to end?

    Im still working on the Sunbeans steam supply. We have made 3 changes to the decade counter settings and have almost got steam and not hot water. but boyed on with the success of these mods i just want to do one one more so as to get pure steam. Then Ill reveal all.

    I have to say La Pavoni got it right didnt he?

    Need more heat for more steam...buts its coming



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    Re: EM0480 Mod

    Ill just wait for you to post :)
    Thanks

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    Re: EM0480 Mod

    Kuality - Whats the model/make of the drill speed controller (perhaps a pick of that too if you dont have any info on it). Im really interested in slowing things down too, so I can do the "measure and dose" thing.

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    Re: EM0480 Mod

    You talking about something like this?? How the heck do you connect something like this??

    http://www.dse.com.au/cgi-bin/dse.storefront/44b7309607e82cea2742c0a87f9c0724/Product/View/K3070

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    Re: EM0480 Mod

    Andy didnt you do the tube mod? If you could can you post a picture of it please :)

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    Re: EM0480 Mod

    Hi Guys, Sorry about lack of phots but charger on the blink also. Now fixed so hopefully some power to shoot some photos for you.

    The drill speed controller is a very early model and controls the EM480 like a charm. Now as to being the same as Andy CJs link Im not sure but at first clance I would say yes. It was a kit orginally and mine was built by a friend as in those days we didnt have variable speed drills. It is enclosed in a plastic box so tomorrow I shall remove the screws and take some photos for you.

    Just as a side issue im think of getting it checked out and seeing if we can upgrade to a higher amp SCR. Now this mind of mine says why cannot we use this to control a popper? I am led to believe by my electronic friends that the current draw is too high and the speed control will burn out. Now as luck would have it I have a friend who is into electronics big time. In fact we are building CNC machines. His for printed circuit boards and mine to drive a big router (wood). Same principle just a different scale. Now I was taking to him re the popper and showed him a stripped down Brevile unit which is the same as the B & D and also the Aldi unit. I think Wollies also have a model which is a rebadged god knows what. Like I have said elsewhere the temperature runs at 240 degrees C cooks beans real fast smoking in no time.

    So the thinking runs like this. If we take the fan out of the control circuit and appply the control across the element then we get a temp control which will be absolutely brilliant for a roaster. Like i have just said this is at the thinking stage and Im about to open up the can of worms.

    Dont worry i shall reveal all once i know things are beneficial.

    Then again whilst shopping in Target i spied this 120mm dia SS seive collander if you will. Now in a moment of pure brilliance i thought that if I attach a vacuum to the underside then once my beans have completed the roast i can tip them into the collander turn the vac on and stir and get rid of all the chaff etc.

    Theres no getting away from the mess multi roasts leave behind with the Imex. So in another fit of brilliance i thought to change the collander for a 90 degree elbow and then place this near the Imex so that the discharge gets sucked away without going all over my verandah. I will need to watch the temp but then perhaps a pulse timer on the vac.


    By the by If you havent seen Pirates of the Caribbean dont miss this on the big screen. Great entertainment and we went in style and used our Christmas present from the kids which was 2 Gold Pass tickets and then having capachinos served during the movie and not have to hit the pause button and get up and make them. Reclining in an armchair all the while. Its a great movie very entertaining and on the go from A to Z all 2.5 hours of it. Hence the coffees.


    I did see someone had planted a car chrome exhaust on top of a popper. Can someone direct me to where it is? What was the porpose of the chrome tip?

    By the by the coffee virus is spreading fast you just need to visit a Hardly Normal store to see the extensive range of coffee equipment.

    Cotinueing to have fun

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    Re: EM0480 Mod

    Hey kaulityman, if im not asking for too much if the DC Motor controller is the right speed controller... could you please post the steps of installing one?

    Thanks *:)

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    Re: EM0480 Mod

    Quote Originally Posted by Kualityman link=1152499300/0#7 date=1152871555
    I did see someone had planted a car chrome exhaust on top of a popper. Can someone direct me to where it is? What was the porpose of the chrome tip?
    You can find the original post about the tip here: http://coffeesnobs.com.au/YaBB.pl?num=1141290048/7#7

    Java "Everybody needs a little bling" phile

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    Re: EM0480 Mod

    Hi Javaphile many thanks for the link. I dont see the need for the chiminey whats its purpose? The beans in my demo sat still and only rotated as desired a good movement but hey the temp went off the clock 240 degrees C to be exact my roast took only 5 minutes so this one at 10 minutes was a real burn!!!! Hummm. Need to get a temp controller and then we will be in business. working on it this week.

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    Re: EM0480 Mod

    Where are the photos? :(

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    Re: EM0480 Mod

    Hi Guys,

    This is the type of thing that Kman is referring to I think http://tinyurl.com/zvtad..... You can get the same sort of device from Jaycar et al, as well. There are also more basic kit versions of this type of controller too but you really need the assistance of a licensed sparky to check over and test the 240V side of things, otherwise it might turn into a death trap :o. This type of controller is really designed to work with Universal Electric Motors (motors that use carbon brushes and operate from your 240V mains). Since Kman has got his to work ok with his grinder, I guess its possible that the EMO480 uses a Universal Motor then.

    Mal.

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    Re: EM0480 Mod

    Gday all,

    I found this little controller that may do the job from jaycar: http://www.jaycar.com.au/productView.asp?ID=AA0346&CATID=&keywords=speed+co ntroller&SPECIAL=&form=KEYWORD&ProdCodeOnly=&Keywo rd1=&Keyword2=&pageNumber=&priceMin=&priceMax=&SUB CATID=
    although again you may need a sparky to fit it.

    Good luck,
    Thomas

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    Re: EM0480 Mod

    Gday Thomas,
    that controller could be a bit small to control a popper as it has a continuous rating of 600W and peak of 1200W. It would depend on the duty rating of the controller of course, but I think that a popper would fry it.
    It could possibly be uprated with some higher rated components, mainly the triac and heatsink, depending on the mounting and the configuration of the controller.
    All the best.

  16. #16
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    Re: EM0480 Mod

    Arnt we trying to find a speed controller that works for the EM0480?

  17. #17
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    Re: EM0480 Mod

    Quote Originally Posted by tominoz link=1152499300/0#13 date=1153216008
    Gday all,

    I found this little controller that may do the job from jaycar: http://www.jaycar.com.au/productView.asp?ID=AA0346&CATID=&keywords=speed+co ntroller&SPECIAL=&form=KEYWORD&ProdCodeOnly=&Keywo rd1=&Keyword2=&pageNumber=&priceMin=&priceMax=&SUB CATID=
    although again you may need a sparky to fit it.

    Good luck,
    Thomas
    Hi Thomas,

    This controller is NOT suitable for Universal Motors, i.e. any mains powered electric motor that has a commutator and carbon brushes. Its really only suitable for the type of motor stated or resistive loads. So, you really need to determine the type of motor fitted to the Sunbeam Grinder before you commit to this particular controller. All the best,

    Mal.

  18. #18
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    Re: EM0480 Mod

    Do you just take the EM0480 grinder into a shop and ask them to fit it?

  19. #19
    Mal Dimal's Avatar
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    Re: EM0480 Mod

    Hi CK,

    I doubt if there would be an after market, retro installable kit that you could just get someone to fit inside your grinder, there wouldnt be any room. Most after market devices such as this are intended to be installed between the power point and the appliance, in a piggy-back sort of configuration.

    Perhaps you could take the grinder into a local licensed electrical appliance repair store and ask them to inspect the innards of the grinder and report back on the type of motor fitted. Once you know that, it would be possible to recommend a possible and suitable controller option. All the best,

    Mal.

  20. #20
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    Re: EM0480 Mod

    Hey AndyCJ do you have a picture of your grinder that i could have a look at?

    Thanks



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