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a stronger popper fan..
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tom_b
Senior Member
tom_b
Joined: 19 Aug 2003
Posts: 537
Location: Maui, Hawaii

Espresso: Rancilio Silvia/PID
Grinder: Nuova Simonelli MCF
Roaster: USPS/Popper
Posted Sat Nov 27, 2004, 7:15pm
Subject: a stronger popper fan..
 

Well, a friend at work got a computer fan the other day that is really
powerful. I started wondering how hard it might be to get it some power and
fit it to the upper half of a popper assembly, maybe up my batch size a bit.
I've got a toastmaster with a fried fan from my 1st mod attempt, would love
to see it reincarnated as a 6-8 oz roaster deluxe..! Mostly I've only seen
variacs discussed at mod sites and in forums, haven't seen very specific
info on doing a mod like this. Here's a fan with 75cfm:
http://tinylink.com/?9kXrOxvV9S

Probably adapting it for use would be a hassle compared to something not
made for computer use, but that's the basic idea. I'm slowly wading through
various types of fans at mcmaster-carr but haven't found anything
appropriate yet. Any advice would be great!
tom:)
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snoboy
Senior Member


Joined: 4 Jun 2004
Posts: 452
Location: Rossland, BC
Expertise: I love coffee

Espresso: famous Silvia... now PID
Grinder: modded Rocky SD
Roaster: SC/CO
Posted Sat Nov 27, 2004, 7:27pm
Subject: Re: a stronger popper fan..
 

My first thought is that you might run into problems with a lack of heat. A larger volume of air is going to run cooler I would imagine. But if you've got a popper that is too hot already, then this could be a good hack.

I have had similar thoughts about building something like a popper chamber w/ a heat gun, Sivetz sample roaster style. Then of course you could hack a PID into the temperature control of the heat gun...

I'll get right on that after I pressure mod and PID Miss S. and get that microswitch working and... oh dear, I really am having fun :D
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nmayweather
Senior Member


Joined: 25 Jun 2004
Posts: 994
Location: nyc
Expertise: I live coffee

Espresso: expobar office, isomac venus
Grinder: mini mazzer
Vac Pot: bodum santos
Drip: mr coffee sp3
Roaster: toastmaster popper
Posted Sat Nov 27, 2004, 8:32pm
Subject: Re: a stronger popper fan..
 

1) pricewise, I'd look at getting one of the industrial heat guns that do 600 + crazy cfm of fan speed -- they're like $70 (or you can just go for the gg/sc combo which costs as much).  modding a popper that much is going to cost more in the long run.

2) i'm looking for fans as well -- i want to set up some exhaust tubing and build a chamber so i can roast in the kitchen next to the window, and have a fan suck out all the smoke through a tube.  i found some fans here: http://herbach.com/
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JonR10
Senior Member
JonR10
Joined: 26 Apr 2004
Posts: 10,376
Location: Houston, Texas
Expertise: I love coffee

Espresso: E61 Legend, Livietta,...
Grinder: Robur, B-Vario-W
Vac Pot: Hario Tabletop, Yama...
Drip: Technivorm
Roaster: 1-lb US Roaster, Behmor 1600
Posted Sat Nov 27, 2004, 8:43pm
Subject: Re: a stronger popper fan..
 

nmayweather Said:

1) pricewise, I'd look at getting one of the industrial heat guns that do 600 + crazy cfm of fan speed -- they're like $70 (or you can just go for the gg/sc combo which costs as much).

Posted November 27, 2004 link

I got yer Heat Gun RIGHT HERE buddy.  ;-))

Geez - I hope that link works!

 
Jon Rosenthal
Houston, TX
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tom_b
Senior Member
tom_b
Joined: 19 Aug 2003
Posts: 537
Location: Maui, Hawaii

Espresso: Rancilio Silvia/PID
Grinder: Nuova Simonelli MCF
Roaster: USPS/Popper
Posted Sun Nov 28, 2004, 12:30am
Subject: Re: a stronger popper fan..
 

Well, I have it on good authority now that computer fans ain't it, but you can use.. a vacuum :)! Perhaps another look at that variac at coffee bean corral.. Or I can throw off my shackles (my thermocouple anyway), take a jaunt Mr McKoffee's way and try a wok..
tom:)
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JR
Senior Member
JR
Joined: 31 Mar 2003
Posts: 1,833
Location: Germantown, TN (right next to Elvistown)
Expertise: I love coffee

Espresso: New but inop Quickmill...
Grinder: Baratza Forté, Cunill...
Drip: Bona Vita (Thermal)
Roaster: GG/UFO
Posted Sun Nov 28, 2004, 1:00pm
Subject: Re: a stronger popper fan..
 

JonR10 Said:

I got yer Heat Gun RIGHT HERE buddy.  ;-)) ...

Posted November 27, 2004 link

Has anybody considered fabricating a popper-like chamber to attach to the end of one of these, rather than using a dog-bowl?

Jack

 
www.PainFreeComputing.com
http://www.GaggiaUsersGroup.com
www.IsuzuPup.com
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wang
Senior Member
wang
Joined: 27 Nov 2004
Posts: 42
Location: Dublin, Ireland
Expertise: I live coffee

Espresso: Rancilio Nancy
Grinder: Rocky, Maestro
Drip: Bodum Columbia
Roaster: Black & Decker Heatgun
Posted Sun Nov 28, 2004, 3:09pm
Subject: Re: a stronger popper fan..
 

JR Said:

Has anybody considered fabricating a popper-like chamber to attach to the end of one of these, rather than using a dog-bowl?

Jack

Posted November 28, 2004 link

They have indeed.

http://www.sivetzcoffee.com/online%20catalog.htm#30gm
http://www.masterroaster.com/articles/sketch.html
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