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Homeroasters - Home Roasting Coffee Community » BUILDING A ROASTER » Turbo Oven Roasters

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Having problems....
allenb	#21 Posted on 03/05/2012 4:33 PM
Administrator Posts: 3684 Joined: February 23, 2010	Quote HerbTokyo wrote: Sorry guys, been busy. Thanks for the responses...the motor is a 115/230 volt...3400 max rpm...7.6/3.8 amp motor .... the dimmer is 5 amp 120 VAC, I haven't put it all together yet, but I have motor, dimmer and extension cord hooked up and everything seems to be ideal when it runs.... whether it has the torque required....yet to be determined. I also have a conduction heat source that I didn't put in the pictures, but all situated. It sounds like from the specs that my motor will be running at 1/2 power huh? 115 volts? If your motor is an induction motor I would highly recommend not trying to use a dimmer. The last time (and only time) I tried this it was an immediate poof. Even if you get the pair to work it will be short lived. There's not many options for varying the speed of induction motors. Another thing to avoid is running a motor far slower than design under anything more than a light load to avoid overheating. Allen 1/2 lb and 1 lb drum, Siemens Sirocco fluidbed, presspot, chemex, cajun biggin brewer from the backwoods of Louisiana


farmroast	#22 Posted on 03/05/2012 5:22 PM
1/2 Pounder Posts: 295 Joined: December 20, 2006	I use commercial gearhead "speed control" motors made by Oriental motor co. Consists of motor, gearhead, control box and rheostat. Sell retail for about $280. a set but sets can be put together off ebay of NOS or like new for about $60.-$80. This way you don't lose as much torque when adjusting speeds. And they are well built. Induction motors won't work. I have some extra sets if interested Edited by farmroast on 03/05/2012 5:28 PM Ed B. DreamRoast 1kg roaster, Levers, Hand Mills http://coffee-roa...gspot.com/


HerbTokyo	#23 Posted on 03/05/2012 8:17 PM
Newbie Posts: 12 Joined: December 13, 2011	Thanks again for the responses...yall are so helpful. Would a permanent split capacitor, Condenser Fan Motor work? it is 1/3 hp, 2.1 amp, 1075 rpm Edit...that motor is fried....nevermind I do have very much interest in that Ed.. I'll have to wait for my tax dough to show though, so (I read too much Dr. Suess as a kid:) I'll let you know when it shows.... Edited by HerbTokyo on 03/05/2012 9:09 PM

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