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Discussions > Coffee > Home Roast > New Rk Drum...  
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TheArtfuldodger
Senior Member
TheArtfuldodger
Joined: 28 Jun 2004
Posts: 629
Location: Waxhaw,NC
Expertise: I live coffee

Espresso: Saeco Classico W/ non...
Grinder: Macap-4,Zassenhaus Box
Vac Pot: Vintage, Cory, Bodum and...
Drip: Bodum French Press
Roaster: Hot Top-RK Drum
Posted Mon Sep 27, 2004, 7:24pm
Subject: Re: New Rk Drum Setup
 

poison Said:

Wow, smoke. Hmm. My backyard is tight, about 30-35 feet wide, and the neighbors are right there on the other side on both sides. I wonder if it would bother them if I roasted a lot...?

Nate

Posted September 27, 2004 link

I just got my neighbors hooked on my home roast. They already loved my cooking.
Roasting four pounds at a time makes it easy to keep friends family and co-works supplied with your home roast.

George
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brokencup
Senior Member
brokencup
Joined: 18 Feb 2004
Posts: 1,617
Location: Atlanta
Expertise: I love coffee

Espresso: La Spaziale S1
Grinder: Cimbali Junior, Infinity
Drip: Technivorm
Roaster: RK Drum
Posted Mon Sep 27, 2004, 7:30pm
Subject: Re: New Rk Drum Setup
 

poison Said:

You dirty bean-slinger, you...! Ha, ha!


Just kidding. So is the new motor too fast ie does it turn so fast that the beans are plastered and don't tumble? It doesn't seem that 57 RPM's would be, but...?

And also, how much smoke is there for a 4 lb batch of full city (say, just at the start of the second crack)?

I appreciate your help, thanks!

Nate

Posted September 27, 2004 link

Nate,

Check out the chart that I 'borrowed' from Andy Schecter. The drum diameter is 8 inches so 94 rpm is the sticking speed.

See also http://rkdrums.com/products.htm note the motor for sale there.

Bob

brokencup: Drum Roasters RPM Chart.jpg
(Click for larger image)
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Rawman
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Rawman
Joined: 14 Jun 2003
Posts: 1,034
Location: SF Bay Area, CA
Expertise: I love coffee

Espresso: 2002 Cremina, Elektra MKAL,...
Grinder: Mazzer Mini
Vac Pot: Silex Vintage Vac Pot
Drip: Bodum chambord FP, Melitta...
Roaster: HotTop, Buzzroaster,  HG/DB
Posted Mon Sep 27, 2004, 8:29pm
Subject: Re: New Rk Drum Setup
 

I have the exact same motor.  I got it on www.surpluscenter.com for about 40 bucks including the lovejoys and shipping.  Here is a picture of it in case anyone missed it on the other other thread I posted.  It didn't take too long to put together.  The beans sling around quite a bit in there.  I do not see any problems of beans plastered to the sides.  I thought of a hand crank, and a foot pump, and also considered a sprocket and chain setup but I decided I wanted to be able to step away to answer the phone or something without ruining a batch.  (Note that does not mean this is set and forget method.  It's not).   That was my main complaint about hg/db.  That I couldn't move away for however long it took to roast.

 
Rawman the Expobarbarian..
AKA the Original Jon R.
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poison
Senior Member
poison
Joined: 11 Aug 2004
Posts: 1,163
Location: LA
Expertise: I live coffee

Espresso: Astra Pro
Grinder: Maestro Plus, Super J deal
Drip: Cone filter
Roaster: RK drum
Posted Tue Sep 28, 2004, 7:41am
Subject: Re: New Rk Drum Setup
 

Holy cow you guys are awesome! Thanks for the replies!

Artful, if I do this, it will be with the intention of eventually (and hopefully sooner rather than later) selling, whether over the internet or locally. That is my fear about the smoke: 20 minute of smoke every few days is no big deal, but if I needed to turn out 20+ lbs several times per week....

I guess I'll find out. I just need to get back into roasting for a while anyway.

brokencup, awesome chart, thanks! It is funny to me that that chart even exists. Coffeegeek-dom at its finest, so cool!

Thanks for the link to the motor on RK. I was on that site yesterday, but was having problems navigating it for some reason and couldn't find that. $125 is steep, but the setup is nice, simple, and effective.

rawman, thank you for the links. Do you have a part #? Is it the Base Mount AC (and which of the CW, CCW, or dual is needed)? Hey, you could buy a hand cycle, as used in physical therapy, and modify it to crank the drum. I would think it is much better to have the motor, though. This way if you were doing more than one batch, you could dump it into the cooling can and immediately start another roast, or take a leak.

Edit: Never mind, I am too slow; I just saw the numbers on the other thermometer post, thanks!


Nate
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drsmith
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Joined: 8 May 2004
Posts: 178
Location: ny
Expertise: I live coffee

Espresso: Mr Coffee
Grinder: Crank by hand
Vac Pot: n/a
Drip: Bunn
Roaster: Hearthware prec.; Whirley...
Posted Tue Sep 28, 2004, 9:59am
Subject: Re: New Rk Drum Setup
 

I have a similar setup.  1lb produces a fair bit of smoke - but certainly not enough to distract the neighbors from their usual routine.  4lbs once in a while probably wouldn't be an issue, either.  4lbs every day, 7 days a week would definately cause complaint from those who have not been converted into home roasted coffee lovers.

I'm using the 57 rpm motor from surplus center - it turns plenty fast enough, imho.

As for the rotisserie, you'll want the deluxe model which has a 1 piece spit - other kits have a 2 piece spit that fastens together in the middle.  The 1 piece spit should be stronger than the 2 piece, in theory.

Don't get too caught up with the heat diffusing options.  I swapped out the dual burner for a single burner replacement, and removed the heat diffuser entirely.  The only time I have problems with uneven roasts is if there's a breeze blowing across the grill which tends to cool off one end - or if I get in a big hurry and just leave the burner on it's highest setting for the entire roast.

As for BTU's, the only issue I had(and I got the cheapest grill I could find) was a vent that was molded into the hood along the edge where the hinges are.    That vent was supposed to let smoke out of the grill, but unfortunately, it also lets out a fair bit of heat.  For the time being, I've covered it with heavy duty tin foil and that seems to have corrected the problem.  Eventually, I'll make a more permanent plug for the vent out of some angle aluminum from the hardware store.

Pictures will be forthcoming soon, but overall, my setup isn't significantly different from what others have posted.
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gsamu
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Joined: 16 Sep 2004
Posts: 22
Location: Florida
Expertise: I love coffee

Grinder: Mazzer Mini
Drip: Technivorm Moccamaster
Roaster: I Roast
Posted Wed Oct 20, 2004, 4:46pm
Subject: Re: New Rk Drum Setup
 

Can you tell me where I can buy the 1 piece spit for the 57rpm motor?
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grillroaster
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grillroaster
Joined: 28 Aug 2003
Posts: 229
Location: ----
Expertise: I live coffee

Espresso: Isomac Rituale
Grinder: Rocky Doserless
Vac Pot: Cona D
Drip: Technivorm CD, Melitta...
Roaster: Alpenrost, HWP & Alpen-Grill
Posted Wed Oct 20, 2004, 5:02pm
Subject: Re: New Rk Drum Setup
 

gsamu,

Mine came with a rotisserie kit that I got from Home Depot before I realized that I needed a faster motor than the 5rpm  motor that came with the kit.  In hindsight, it would have been better to have bought just the spit rod (somewhere) and then got the 57rpm motor from Surplus Center.  Maybe someone of the list has a recommendation for where (what) to get just the rod.

Rick
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poison
Senior Member
poison
Joined: 11 Aug 2004
Posts: 1,163
Location: LA
Expertise: I live coffee

Espresso: Astra Pro
Grinder: Maestro Plus, Super J deal
Drip: Cone filter
Roaster: RK drum
Posted Wed Oct 20, 2004, 6:59pm
Subject: Re: New Rk Drum Setup
 

Yeah, $32 for a rotisserie kit is steep if youre only gonna use the spit.

I've noticed that most setups have a bracket mounted to each side of the lower body of the grill, through which the spit passes. Kind of a support thing. Are those necessary? Where would you get them?


Ah, in the $32 rotisserie kit...


Hmmm.


Nate
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Rawman
Senior Member
Rawman
Joined: 14 Jun 2003
Posts: 1,034
Location: SF Bay Area, CA
Expertise: I love coffee

Espresso: 2002 Cremina, Elektra MKAL,...
Grinder: Mazzer Mini
Vac Pot: Silex Vintage Vac Pot
Drip: Bodum chambord FP, Melitta...
Roaster: HotTop, Buzzroaster,  HG/DB
Posted Sat Oct 30, 2004, 9:01pm
Subject: Re: New Rk Drum Setup
 

gsamu Said:

Can you tell me where I can buy the 1 piece spit for the 57rpm motor?

Posted October 20, 2004 link

Sorry for not responding sooner, but better late than never.  Mine is not one piece, but it is very sturdy.  I used a 3/8inch stainless steel (SS) threaded rod, with an SS connector and an SS eye bolt. If you want to see pictures I have some posted of my setup Here.  The lovejoy connectors made it easy to connect the rod to the motor.

Edit:  3/8 inch SS rod not 3/4 as I originally put.  I got mine at a local bolt shop for $7  vs  $11 at home depot.

 
Rawman the Expobarbarian..
AKA the Original Jon R.
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brokencup
Senior Member
brokencup
Joined: 18 Feb 2004
Posts: 1,617
Location: Atlanta
Expertise: I love coffee

Espresso: La Spaziale S1
Grinder: Cimbali Junior, Infinity
Drip: Technivorm
Roaster: RK Drum
Posted Sun Oct 31, 2004, 8:44am
Subject: Re: New Rk Drum Setup
 

Rawman Said:

I have the exact same motor.  I got it on www.surpluscenter.com for about 40 bucks including the lovejoys and shipping.  Here is a picture of it in case anyone missed it on the other other thread I posted.  It didn't take too long to put together.  The beans sling around quite a bit in there.  I do not see any problems of beans plastered to the sides.  I thought of a hand crank, and a foot pump, and also considered a sprocket and chain setup but I decided I wanted to be able to step away to answer the phone or something without ruining a batch.  (Note that does not mean this is set and forget method.  It's not).   That was my main complaint about hg/db.  That I couldn't move away for however long it took to roast.

Posted September 27, 2004 link

That would be item number Item# 5-1183  for $22?

Bob
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