NDK
Cave Dweller
Member since January 2009
Posts: 9,440
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Post by NDK on Jun 3, 2011 23:22:09 GMT -5
Well, I think I scored a nice piece of equipment today. I bought this old furnace fan unit from a guy at work for $20. It has a Dayton 1/3 hp motor, a 1" shaft I'm guessing is around 18" long, and some nice pulleys on it. I'm figuring on using this for the slab saw I intend to build. The shaft will be set aside for maybe building a wheeled cabbing unit some day. Is a 1/3 hp motor big enough for a 14" saw? Anywho, here's the pic. Thanks for looking, Nate
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Post by gr on Jun 3, 2011 23:30:20 GMT -5
$20. - very Lookin foward to that home made saw Nate and the slabs that follow gr
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Post by mohs on Jun 4, 2011 0:12:25 GMT -5
twenty for a 1/3 hp motor w/ bracket ? now your turning !
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Post by paulshiroma on Jun 4, 2011 3:20:30 GMT -5
Awesome pickup, Nate! Will be interested to see how the saw turns out!
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Post by johnjsgems on Jun 4, 2011 8:41:07 GMT -5
Check data plate and see if it says "continuous air over" or those initials. If not or if it says ODP it will be useful. I had a home made 14" drop saw that ran OK with as 1/3 HP but with saws more is more. 1/3 HP is pretty standard through 10" saws, 6" cab units, 2 station arbors, large tumblers, etc.
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Post by sandsman1 on Jun 4, 2011 10:20:54 GMT -5
i got a 14 inch panther it had a 1/2hp on it and i found it liked to stall on some rock so i changed it out with a 1hp and it will cut anything i can fit in the vise even if its alittle over sized -- would prob make a nice home made grinder setup though
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Gem'n I
freely admits to licking rocks
Member since March 2008
Posts: 980
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Post by Gem'n I on Jun 4, 2011 11:26:02 GMT -5
Great score....!!!
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NDK
Cave Dweller
Member since January 2009
Posts: 9,440
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Post by NDK on Jun 4, 2011 23:39:12 GMT -5
Thanks guys! I wasn't sure if that would be powerful enough for a saw or not, but for $20, I wasn't gonna pass it up. The data plate says continuous duty, and I didn't see anything about air over, so I think it's good in that respect. Don't hold your breath for seeing the saw antime soon. I really want to build it, but don't know when I'll get to it. Maybe sometime this summer I can get some work done on it. Nate
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Post by johnjsgems on Jun 5, 2011 10:09:59 GMT -5
Looks good. Will come in handy for something. The air over motors are a manufacturer's way to save a dollar or two by not having a cooling fan in motor. They rely on air flow from the blower driven by the motor to provide cooling. Your motor has sleeve bearings so don't run belt too tight. Don't over oil either.
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Post by roy on Jun 5, 2011 11:07:07 GMT -5
weld a pan on the end of the blower wheel and install some carpet then a divider ad some pollish and you'll have a slab pollisher and a blower? nice score nate
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NDK
Cave Dweller
Member since January 2009
Posts: 9,440
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Post by NDK on Jun 5, 2011 19:45:25 GMT -5
LOL Roy, you know when I just opened this thread to check the replies, I thought "wow, that blower looks like a big tumbler"... I guess great minds think alike!
Thanks for the info John. I appreciate your input.
Nate
P.S. I will say this - I have a trip down south on the motorcycle planned for next month. Most of my free time will be concentrated on getting ready for the trip. After I get back and things slow down, I hope to start on the saw. I'll keep y'all up to speed when I get working on it.
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Post by Rockoonz on Jun 5, 2011 23:38:39 GMT -5
The lapidary shop for the club I belong to has an old 16 inch homemade saw. It ran for many years on a 1/3 HP washing machine motor. When it finally gave out I replaced it with a new 1/2 HP because it cost less than a 1/3 HP, go figure. The reason to use a bigger motor on a Lortone Panther is the way too fast vice speed stalls the blade out. If you run your vice at no less than 7 minutes per inch of travel you can power a 14" saw with 1/3 HP easily, and you won't spend a lot of time grinding large saw marks from your slabs. Also it will make that expensive saw blade last longer too.
Lee
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NDK
Cave Dweller
Member since January 2009
Posts: 9,440
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Post by NDK on Jun 6, 2011 15:23:15 GMT -5
Sweet! That's good news Lee, Thank you!
Nate
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Post by johnjsgems on Jun 6, 2011 20:11:54 GMT -5
The 1/3 hp on my old 14" drop saw worked fine as long as I cut slowly. If I let it drop too fast it would stall the motor. All of Barranca's saws run 1" in 5 minutes and they all cut very smooth. I've had a couple of calls after selling new saws of "my feed doesn't advance". I have to tell them to go do something and come back. Slow feed is the way to go for blade life and smooth cuts.
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NDK
Cave Dweller
Member since January 2009
Posts: 9,440
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Post by NDK on Jun 6, 2011 21:52:50 GMT -5
I figured I'd try the motor regardless. I plan to rig a gravity feed for the saw. I should be able to feed slowly that way. Worst case is I have to buy a more powerful motor. No big deal.
Nate
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WarrenA
fully equipped rock polisher
Member since November 2003
Posts: 1,530
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Post by WarrenA on Jun 8, 2011 22:47:57 GMT -5
I made a cab grinding unit from a blower unit very similar to that. I still use it
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