Green Coffee Buying Club
Coffee Discussion boards => Hardware & Equipment => Topic started by: BobTimo on July 06, 2008, 01:31:28 AM
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Hi,
I'm about to buy an oven toaster w/ a rotisserie, coz I finally found a 1,500-watt unit. But before I do so, a couple of questions ...
- I have a La Germania range, with 3 gas burners on top + 1 electric. Below is a big oven with a rotisserie, powered by electricity, where my wife does some lasagna and bakes a few things. It's not ideal to roast coffee there and use it for some other purposes, right?
- Alfonso, in his CG post about his rotisserie, mentioned about a slow RPM, but finds it still ok for coffee roasting. Is it possible to tweak the motor to increase speed and do no harm to it? I'm no electronics guy, but I know a some guys who can do the job.
BTW, the 1500watter I saw was HUGE. Like, maybe 24 liters in there. Costs something like $80.
The drum, btw, I'm sure I can go to a local tinsmith and do it for me, similar to those RK drums.
I want a new roaster coz I'm having difficulty making light roasts with the Whirley Pop. The 1C and 2C, sometimes there's no lull between them. 2C comes as soon as 1C ends. Maybe coz even though I don't ever stop stirring the beans, they just won't get as much agitation as a drum roaster. I hope to have the rotisserie ready when the Esmeralda greens come.
Bob
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Just get my iroast 2 Bob. Easier way than what you're planning to do. Might end up costing you less too.
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iroast is nice, but too small a batch size for me. :) need a roaster that can do half to 1lb. behmor is ideal, but still waiting for the 220v.
has arnel gotten the other iroast?
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iroast is nice, but too small a batch size for me. :) need a roaster that can do half to 1lb. behmor is ideal, but still waiting for the 220v.
has arnel gotten the other iroast?
Zip Joe Behm an email. He had the 220V on display in Minneapolis in May and was just waiting on one approval.
http://www.behmor.com/contact.html
B|Java
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Just did. Thanks, Dave!
Coz if it'll be available soon, I may have to cancel buying an oven toaster. I'll have a drum roaster made instead and roast manually like I've been doing for over a year.
Bob
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iroast is nice, but too small a batch size for me. :) need a roaster that can do half to 1lb. behmor is ideal, but still waiting for the 220v.
has arnel gotten the other iroast?
I have two spares, remember? :angel: Don't need them now that the Sonofresco is coming.
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@Dan, will see who we can recruit into this hobby to get that iRoast. :)
@Dave, Joe said the 220v Behmor will be out mid to late Fall; they're testing it now. Will remind the wife for her perfect Christmas gift to me. >:D But will get her that iPhone 3G first so she can throw away her Palm running all those medical programs...
Bob
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I was thinking of converting an old rotisserie but I don't think the one I has is got what it takes to roast... makes a mean prime rib though ;D
I used a small portable gas grill, Behmor fine screen drum and a cordless drill (plus a few bits and pieces) All I need is to get the bean cooler done and I will be ready to roast at the farmer market (just to draw in the caffeine-addicts)
(http://www.greencoffeebuyingclub.com/index.php?action=dlattach;topic=3393.0;attach=3340;image)
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Finally bought the oven toaster w/ rotisserie & convection fan. But as I went looking for material for the drum, can't find stainless steel screen, or stainless steel perforated sheet, around here. After some googling, someone on ebay (coffeeroastersclub) is actually selling drums made of aluminum.
So, what dya think guys? Aluminum, I suppose, will be okay? After all, I started pan roasting with an aluminum pot, then moved on to a Whirley Pop that's also aluminum.
Aluminum screens are easier to find...
Bob
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Bob,
I have a five pound unit from the man you found. I have had that roaster for about 1 year. It is advertised a s 5# unit, but it works well up to 3#. The drum is great. No problems. The only issue I have is the fins in the unit are not configured as well as the Behmor. I believe that is the reason some of the varieties of beans don't roast as evenly as I like. Some varieties are fine, other not quite as uniform. The quality of the drum is excellent and I show very little wear on the drum after probabaly 100 roast cycles. I've probably roasted 250# of coffee in that drum. The drum may not be the issue with the uneven roast? It's not a major issue. It is a decent unit for a start up coffee distributor like myself. I do the majority of my sales coffee in that 5# unit. I do see where he sells just the drums. I still use the Behmor, IRoast or Nesco for my personal use and small batches. Hope this helps? Jim ;D
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Finally bought the oven toaster w/ rotisserie & convection fan. But as I went looking for material for the drum, can't find stainless steel screen, or stainless steel perforated sheet, around here. After some googling, someone on ebay (coffeeroastersclub) is actually selling drums made of aluminum.
So, what dya think guys? Aluminum, I suppose, will be okay? After all, I started pan roasting with an aluminum pot, then moved on to a Whirley Pop that's also aluminum.
Aluminum screens are easier to find...
Bob
Hello Bob,
That Rotisserie should make a fine roaster! Was eyeing that model when it came out and was intrigued by what the additional airflow could do.
Stick with stainless. The mesh is not that difficult to find and not expensive either. I could ask my guys to find some if you need me to.
Or you could get one from coffeeroastersclub, but it could cost you more than your rottiserie ;)
Alfonso
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That Rotisserie should make a fine roaster! Was eyeing that model when it came out and was intrigued by what the additional airflow could do.
Yeah, looks promising. Can't wait to try it.
Stick with stainless. The mesh is not that difficult to find and not expensive either. I could ask my guys to find some if you need me to.
Went to Cagayan de Oro this morning, and found stainless steel screen of all sizes. :) Got one they call "5 holes," meaning 5 holes in an inch. So that's roughly between 1/8" & 1/4", but not quite 3/16". Went to a tinsmith to do the work. I'm expecting them to do a good job, coz that's what they do all day. But dang, he's charging me $30 for the job.
I think I also need to increase RPM on the rotisserie. I talked to a technician at an appliance repair shop, he said he can do it. I just need to buy a motor that costs maybe $9.
Or you could get one from coffeeroastersclub, but it could cost you more than your rottiserie ;)
I saw it on ebay, $59, perfect size (6x9") for my rotisserie. Plus shipping to my place, considering it's big, maybe too expensive.
I'm hoping the drum work could be done tomorrow. Then I'll have the motor changed.
Thanks for the tips!
Bob
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Just made my first roast on my rotisserie project! Atta even roast, much better than my whirleypop or my pan roasters. I'm a little over the long roasting time, though. About 23 mins for it to hit 2nd crack, with a 1,500-watter oven toaster. But at least now I can do lighter roasts better.
Will post pictures tomorrow ...
Bob
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Just made my first roast on my rotisserie project! Atta even roast, much better than my whirleypop or my pan roasters. I'm a little over the long roasting time, though. About 23 mins for it to hit 2nd crack, with a 1,500-watter oven toaster. But at least now I can do lighter roasts better.
Will post pictures tomorrow ...
Bob
You didn't waste much time putting it together. That was some fast work on your drum ! Post some pics when you can :)
23 minutes is way too long though ( definitely in the baked beans category ) With that much wattage, and just 1/2 pound, you should be hitting second crack way earlier. maybe 13 to 16 minutes.
Do you preheat your oven and drum before roasting? Also, does your thermostat actually cycle on and off? It could be that the thermostat's highest setting is way below 450 F ( they're very inconsistent on these toasters ).
Be sure also to get yourself an oven thermometer so you can monitor oven temps and not just rely on the thermostat setting.
Don't worry, you'll get there. ;)
Alfonso
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(http://timonera.com/forumpix/coffee/rotisserie/rotti1.jpg)
Here's the drum inside the Imarflex 1500watt toaster oven w/ rotisserie.
(http://timonera.com/forumpix/coffee/rotisserie/rotti2.jpg)
Rather crudely made, don't you think? With welding marks all over. How I wish I was beside the technician while he was making it, so I could have guided him. The hole where to put the beans is rather small, that I had difficulty pouring them out after roasting.
(http://timonera.com/forumpix/coffee/rotisserie/rotti3.jpg)
It's a long wait! Actually, it's a little past 24 mins, coz I let it heat up for 1 min before placing the drum w/ the beans inside. And yes, the heater cycles on and off. Maybe I can tweak the electronics inside so it won't cycle on and off? I'll have an electronics guy do it. If that can't be done, then maybe I'll buy those small ovens you put atop a gas burner. I can still use the drum. BTW, I have an oven thermometer, as you can see on the floor, but I couldn't find a location to place it inside that's not too near the heater. But later I found a way to do it.
(http://timonera.com/forumpix/coffee/rotisserie/rotti4.jpg)
Because the hole in the drum is too small, it ain't easy pouring out the beans. I ended up cooling them inside the drum. It should be easy to make a stand for the drum with the fan below it.
(http://timonera.com/forumpix/coffee/rotisserie/rotti5.jpg)
Although it took 23 mins, pretty even roasting, though. I wouldn't want to try this coffee, though, coz these are actually reject Benguet beans a friend bought from the market in Baguio months back.
Bob
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I've always admired DIYers like you and Alfonso, Bob. I am all thumbs and seriously technically challenged that all I can do is plug and play! ;D Thanks for posting pictures of your projects. Your wife, the good and patient doctora takes really good photos! :icon_thumleft:
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Actually, Don Dante, it wasn't DIY all the way. I had someone do the drum for me. I just downloaded possible designs from the web, and talked to the technician how we can revise it to suit my needs, and what's possible for him to do. And if I should tweak the insides of the oven toaster, I'll have an appliance repairman do it for me, too. ;D
And nah, it wasn't my wife who took the pictures; she's enjoying Angkor Wat at this moment. It so happened that some fotog friends dropped by for coffee after shooting some events. So while they were busy experimenting with their cameras, I was busy with my roaster.
Photographers and coffee, y'know, they ALWAYS go together. Like photographers and Macs. ;D
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I have an idea ... to shorten roasting time from the 23 minutes I'm getting now ... I think the culprit is the oven toaster controlling the temperature, and so it cycles the heater on and off. What if I just place the oven toaster atop my gas range, then fire up the stove, too? >:D
That way, the oven toaster won't have a way of controlling temp. I'll just put the oven thermometer inside so I can monitor temperature.
Bob
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I have an idea ... to shorten roasting time from the 23 minutes I'm getting now ... I think the culprit is the oven toaster controlling the temperature, and so it cycles the heater on and off. What if I just place the oven toaster atop my gas range, then fire up the stove, too? >:D
That way, the oven toaster won't have a way of controlling temp. I'll just put the oven thermometer inside so I can monitor temperature.
Bob
Outstanding idea Bob! And while you're at it, may I suggest an acethylene torch applied liberally to the sides of the roaster, to give your roast that three alarm fire flavor and make you your neighbors' envy?
:violent5: :violent5: :violent5:
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Hey Bob.
If you got IKEA close by.
check out my site: www.coffeemonsters.net
look at the pics you can make my drum in 4 hrs. All SS. some plumbing tubs. I weld the shaft supports but very simply you can use other methods or don?t support at all.
Hanan.
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Waaahahaha!!!! Or is it, huhuhuuuu!!!
So I went ahead and placed the oven toaster on my gas range, fired up the stove, and waited for temperature to go 250F, then I placed the drum w/ the beans, and let the rotisserie do its work.
It was doing ok, temp kept rising, until, when at a little past 300F, the oven toaster stopped working! The power light disappeared, rotisserie stopped revolving. ??? Tried to let the oven rest for maybe 10mins, powered it up again, still won't work.
Hehe ... I doubt if vendor would honor warranty on this one. I'll just bring this to the appliance repair shop tomorrow to see what happened, and tweak what needs tweaking.
Yes, Hanan, saw your drum before. Cool! But Ikea, what is that? ;D Not in this part of the country, I really have very limited things available for purchase.
To be continued ... meantime, back to whirley pop for me.
Bob
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Man, you were serious about that stove top supplement huh? ::)
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Waaahahaha!!!! Or is it, huhuhuuuu!!!
So I went ahead and placed the oven toaster on my gas range, fired up the stove, and waited for temperature to go 250F, then I placed the drum w/ the beans, and let the rotisserie do its work.
It was doing ok, temp kept rising, until, when at a little past 300F, the oven toaster stopped working! The power light disappeared, rotisserie stopped revolving. ??? Tried to let the oven rest for maybe 10mins, powered it up again, still won't work.
Whoa! Radical! I thought you were just kidding. :o You actually cooked the oven atop a gas burner?
Ovens are usually double walled. For it to hit 300F inside, probably 500 to 600 F outside, maybe more. Your circuits and controls could be fried.
Alfonso
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Hahaha! Radical! I like that! ;D
Today being Sunday, and I couldn't have the repairman do the work on the fried oven toaster, yet another radical idea came to mind. >:D If an electric oven / rotisserie won't give me what I want ... maybe something manual would do, as I've been roasting on manual machines these past 19 months.
I bought this really cheapo primitive Y1K compatible oven that my elder sister used to bake cake loooonnnggg ago. Bought it for $17. Still using the same drum, this should be ready for roasting. But I had to cut the side coz the steel rod holding the drum is too long.
I was about to roast tonight, but visitors from faraway land came, for the coffee. So I'd roast with this tomorrow morning, and we'll see. I just have a problem how to rotate it manually. Maybe I'd go to the machine shop so they could make me a hande/crank. Meantime, I'll use a vise grip for that. :)
I'm just worried coz it ain't stainless steel nor aluminum. I think it's GI sheet, and painted inside and out. Hope I won't have cancer with some roasted paint sticking to my beans. :o
Bob
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I admire your tenacity Bob. You've probably spent more time, effort and money on this project than what you would have spent buying my spare iRoast2! >:D Let me know when you finally change your mind and succumb to plug and play as I have! Coffee without toxic residues... ;)
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Try harder, Don Dante. ;D
Of course I tried the Y1K compatible oven this morning. I got a lot of smoke, not from the coffee, but from the paint. :( I'm pretty sure I'll get toxic coffee there. After 23 minutes of cranking, can't even get to 1st crack. I stopped it there, so my coffee appeared more like roasted peanuts (Cheding's, remember?).
But my Imarflex has been fixed by the repairman. Will try roasting again tonight. Glad I still have some reject arabaica beans I can play with. ;D
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I think I've finally completed my attempts at drum roasting on an oven toaster w/ a rotisserie. :)
It took the repairman maybe less than an hour to repair my oven toaster for a $10 fee. He disabled the on-off heater cycle, and just maxxed out the temp all the time. If I need to adjust temp, I'd just off the heating element myself (while keeping the rotisserie on), and turn it on again. (But I don't see the need.)
For half a pound of beans, it took about 13:25mins to hit 1c. I was surprised why my thermometer read 470F, though. Maybe coz it's near the heating element, much nearer than the drum. And I can't find a way to place it elsewhere. I ended it at 15min, just shortly after 1C. So I think it's a city or city+ roast for the Sultan Kudarat beans.
A happy ending, after all. I'm hoping the oven toaster will last me a long time.
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Congratulations!! Those beans look very evenly roasted.
But what a wild ride you had getting there! ;)
Alfonso
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Yeah, wild ride! It's just me. A lot of things I did in life, going through torturous roads before getting to the destination. The story of my life. ;D As always, I love the learning along the way ... Hahaha!
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Update: Looks like this roaster is having difficulty doing 1#. Tried it, took 23 mins to go past 1C. And I think the beans aren't evenly roasted. (see pix.) Maybe if I can do another tweak -- i.e., increasing rotation of the rotisserie by changing the motor -- then I'd try 1# again.
Another problem I observed, the screen holes are too big, such that if bean size is smaller, some are trapped in the holes. So maybe I'd go 1/8in, instead of the "5 holes."
Bob
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Hey Timo,
I may have a solution for you.
I used to do 1/2 pound batches on mine, but recently ( a few months ago ) added an additional heating element at the back.
Cost me all of P180 ( US $4 ) for the heater bar, and some elbow grease and electrical work.
I used to do 1/2 pound with similar timings as you ( 1st crack at 10 minutes, with 2C at about 14 ) This is with the drum preheated to 400F .
With the additional heater element, I do 3/4 pound in the same time. one full pound will probably take me 13 min. to 1C and maybe 17 minutes to finish.
I will try to post a picture here sometime tonight. It may be a useful mod for you.
By the way, aren't you using the convection fan in your toaster oven? That should pretty much solve your uneven roast I think. Also, those look like bad beans in your last 1 pound roast.
Alfonso
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Pitures, pls, Don Alfonso!!! I'd like to do the mod. My repairman says he can replace the motor, too, one with much higher RPM.
My last roasting attempt, that was the same Kilong Sagada beans we tried at Don Dante's place. But 1lb I think is just too much.
The convection fan, it's located to the right of the drum, and that right side of the drum is a wall of stainless steel. :-\ So I guess it has little effect then?
There's another Pinoy lurking in here, name's Benson, from Cebu, roasting with a Nesco. He's been texting me details about my Behmor look-alike, coz he wants to make one, too. We've been exchanging greens since a few months ago. I guess he's the shy type. ;D
Benz! Let us feel your presence!!!
Bobby T.
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hi Bob! bought my rotiserrie this afternoon at Marko and hopefully I'l have the roasting drum fabricated next week. I'll be in Manila this August 6 to 8 for the World FoodExpo.
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Welcome, Benson! And let us know how your rotisserie will turn out. :)
Food expo? You're in the food biz? Or you've set up you coffee house in Sugbu?
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Hi Benson, and greetings! If you'll be in Manila with enough time to visit, come join us for a coffee session. Alfonso is Manila based, and we can get together to talk shop. BobT, come join us!
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Hey Bob,
Here's a picture of the extra heating element. I checked the wiring, switch and thermostat ratings, and they were all OK for at least 10 amperes, so I went ahead and added an additional element. attached it to the empty back plate.
The service center was glad to sell me the part, which is a bottom heating element. This brings the wattage to a little over 2000 watts I guess.
Please excuse the battered stained look. Its been through at least 100 pounds already. :)
Alfonso
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The convection fan, it's located to the right of the drum, and that right side of the drum is a wall of stainless steel. :-\ So I guess it has little effect then?
There's another Pinoy lurking in here, name's Benson, from Cebu, roasting with a Nesco. He's been texting me details about my Behmor look-alike, coz he wants to make one, too. We've been exchanging greens since a few months ago. I guess he's the shy type. ;D
Benz! Let us feel your presence!!!
Bobby T.
Don Timo,
I would replace the right end of your drum with a wire mesh to take advantage of the convection.
Benson,
Welcome to GCBC !
Don Dante,
Looks like we will be seeing Esmeralda soon!
Alfonso
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Don Dante,
Looks like we will be seeing Esmeralda soon!
Alfonso
Si, Don Alfonso. And the dilemma will be - which one to use?
This - (http://i13.photobucket.com/albums/a280/dtp279/Coffee/hottop_MG_6302.jpg)
To get this? - (http://i13.photobucket.com/albums/a280/dtp279/Coffee/Beans-_MG_6247.jpg)
>:D >:D >:D
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Si, Don Alfonso. And the dilemma will be - which one to use?
Ah..
We shall of course let Don Dante with his gleaming armour, have , as they say, 1st Crack at it. :)
Alfonso
PS : I must say, those are very nice pictures!
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Here's a picture of the extra heating element. I checked the wiring, switch and thermostat ratings, and they were all OK for at least 10 amperes, so I went ahead and added an additional element. attached it to the empty back plate.
The service center was glad to sell me the part, which is a bottom heating element. This brings the wattage to a little over 2000 watts I guess.
Please excuse the battered stained look. Its been through at least 100 pounds already. :)
Thanks for the pix! I'll do the mod, too. Haha, your roaster looks like it was picked up from the rubble after a fire. ;D
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PS : I must say, those are very nice pictures!
I thought you were using the 1D Mk2, and maybe upgraded to the Mk3. And now you have the 5D, too? Whoa!!!
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Thanks for the pix! I'll do the mod, too. Haha, your roaster looks like it was picked up from the rubble after a fire. ;D
Ah , but those are battle scars Don Timo,
My roaster is roasting even better now than when it was new. It gets better as it gains experience ! ;D
Alfonso
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Don Roberto is right, Don Alfonso. Your roaster appears battle scarred but I am sure that, as a well seasoned veteran, it must give you fantastic roasts every time you fire it up! ;)
Hey BobT, I only have a 5D. Remember I sold my 1D a long time ago - too heavy for my aching neck when I have to shoot the whole day lugging it around.
Here are my troops awaiting the Gesha - eeny, meeny, miny, moe? - >:D
(http://i13.photobucket.com/albums/a280/dtp279/Coffee/Trio-_MG_6544.jpg)
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Don Roberto is right, Don Alfonso. Your roaster appears battle scarred but I am sure that, as a well seasoned veteran, it must give you fantastic roasts every time you fire it up! ;)
Don Dante,
You are right Concillare. She still does a mean roast. This morning I tried to roast a full Pound of beans ( 450 grams ) .
1C at 13 minutes, then I extended the roast to 17 minutes just before 2C. Bean temp at about 230 C on my Hi-tech bean probe. ;)
Roast was even enough for me, but I think I will stick with 1/2 pound batches. With 1 pound batches, either they go stale, or I have to give them away !
Here is how she looks with the bean probe. I thought it would make a nice contrast to your collection ;D
and a shot of the 1 pound roast of course.
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@ Don Alfonso, hehe ... yeah, I'm sure my Behmor imitation will roast better as it gains experience, too, and evolves into perfection. Who knows I can put the cooler built into the Imarflex, too. :) You ever tried replacing your screen, with finer holes? I think I need to get 1/8" holes, coz even w/ my Sagada beans, some beans pass through the holes. I wouldn't waste some Ethiopians nor some Yemenis that way.
@ Don Dante, atta roasters you got there! I can also lineup my 3 roasters for a photo shoot -- the pan+eggwhisk, the whirleypop popcorn popper, and the Imarflex! Hahahaha!!! Eniweys, like you, I got into hacking the oven toaster in anticipation of the Gesha's arrival.
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Welcome, Benson! And let us know how your rotisserie will turn out. :)
Food expo? You're in the food biz? Or you've set up you coffee house in Sugbu?
Bob, I'm not in the food biz but I'll be going to Wofex to look for business opportunities baka may mahanap tayo na product that I can sell in Cebu.
Hi Benson, and greetings! If you'll be in Manila with enough time to visit, come join us for a coffee session. Alfonso is Manila based, and we can get together to talk shop. BobT, come join us!
Hi Mr. Dante, I like to join your coffee session but I think my schedule will not allow it. But I'm planning to visit Manila again this January 2009 and hopefully I'll able to meet you and Mr. Alfonso.
The convection fan, it's located to the right of the drum, and that right side of the drum is a wall of stainless steel. :-\ So I guess it has little effect then?
There's another Pinoy lurking in here, name's Benson, from Cebu, roasting with a Nesco. He's been texting me details about my Behmor look-alike, coz he wants to make one, too. We've been exchanging greens since a few months ago. I guess he's the shy type. ;D
Benz! Let us feel your presence!!!
Bobby T.
Don Timo,
I would replace the right end of your drum with a wire mesh to take advantage of the convection.
Benson,
Welcome to GCBC !
Don Dante,
Looks like we will be seeing Esmeralda soon!
Alfonso
Thank you Mr. Alfonso. Hope to meet you someday..
Btw, Please read Jay caragay's (Fil-Am Cafe owner) blog http://onocoffee.blogspot.com/2008/07/blog-post_9209.html#comments
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You ever tried replacing your screen, with finer holes? I think I need to get 1/8" holes, coz even w/ my Sagada beans, some beans pass through the holes. I wouldn't waste some Ethiopians nor some Yemenis that way.
Don Roberto,
Yes, and I think I did mention to you to get a smaller mesh in one of my text messages. the 5mm grid does get a few beans stuck, but not many. With ordinary beans, usually just about 4 or 5. With Harrars, maybe a bit more.
I would change over to a finer mesh if I can summon enough will power to get over the lazyness. :)
Alfonso
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Yes, and I think I did mention to you to get a smaller mesh in one of my text messages. the 5mm grid does get a few beans stuck, but not many. With ordinary beans, usually just about 4 or 5. With Harrars, maybe a bit more.
Si, Se?or! I remember that. That's why I got something smaller than 5mm. "5 holes" in an inch. But as it turned out, still bigger. Maybe I'd keep my drum for the big beans. Then I came across this ...
http://www.roastmasters.com/behmor-smgrid.html
Hmmm ... looks promising. Just don't have the dimensions of the Behmor drum. Maybe it'll work?
BobT
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Yes, and I think I did mention to you to get a smaller mesh in one of my text messages. the 5mm grid does get a few beans stuck, but not many. With ordinary beans, usually just about 4 or 5. With Harrars, maybe a bit more.
Si, Se?or! I remember that. That's why I got something smaller than 5mm. "5 holes" in an inch. But as it turned out, still bigger. Maybe I'd keep my drum for the big beans. Then I came across this ...
[url]http://www.roastmasters.com/behmor-smgrid.html[/url]
Hmmm ... looks promising. Just don't have the dimensions of the Behmor drum. Maybe it'll work?
BobT
Don Roberto,
5 holes in an inch is exactly 5mm. same thing!
The standard behmor .187" inch is actually also a 5mm grid.
The .157" is actually 4mm grid, but as the behmor site states, retains a lot of chaff.
Yeah, you're right, maybe you just use your smaller mesh for smaller beans. The 5 hole mesh may be the right choice for most other beans.
Alfonso
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I have the small mesh behmor that I am using on a little gas grill (pictured some were in this thread? I think) I will measure it for you later today and post later this evening. I use it for all beans and so far the chaff is not a problem, even it has a few beans get stuck :-\
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hey, thanks! yes, dimensions pls!
bob
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Sorry I didnt get back to you sooner.. . Sunday was crazy
the drum is 10 3/8 inch (26.2 cm) long and 5 inch (12.5 cm) in diameter the screen is about 3/16 inch (5 mm) square (I have not had trouble with chaff buildup yet)
the pins on the end of the drum stick out beyond the 10 3/8 long drum
one is 1/2 inch (1 cm) long 3/8 inch (1.3 cm) diameter with a groove about an 1/8 inch (3 mm) in from end (this end sits in a cradle to hold it in place)
the other is 5/8 inch (1.5 cm) long 3/8 inch in diameter and is 1/4 inch square up to 1/2 inch from end (this end fits into the motor)
I made a simple frame on a small gas grill and hooked it up to a cordless drill. I think I have picks earlier in this thread, I know they are in the show off your roaster area...
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It's longish, and smaller diameter than what I have. But looks like the drum will fit in my oven toaster. :) One of these days, i'll get one ... even cheaper than what cost me to have mine made. Just shipping to here is the problem.
Many thanks!!!