Giant Thor grinder with cartoonish 6-inch wheels:
https://chicago.craigslist.org/nch/tls/5387413285.html
https://chicago.craigslist.org/nch/tls/5387413285.html
Biggest 6-inch Grinder I've Seen Yet
- Thread starter exmaxima1
- Start date
dodge610
Well-known member
Guess you wont be bogging that bad boy down.
AFAIK, that's a 1/3 hp model, and 230 volt only. Strange beast......
dodge610
Well-known member
Only a 1/3 hp what is up with that.
McBrownie
Well-known member
Packard V8
Well-known member
wish it were here. I'd give $50 all day long.
jack vines
jack vines
1badbird
Well-known member
A little too far away, otherwise I'd throw 50 at it.
Rileysan
Well-known member
It doesn't take much HP to keep that 230v torque monster spinning. I bet this would out-perform any modern grinder with 3x the hp ...
w1im
Well-known member
I'm pretty sure the horses they used to make older equipment were a lot bigger than the Chinese horses they use today.
torqueman2002
Well-known member
I am glad it's 6 hrs from me, or I'd have to give it a good home. 
Mohawk Dave
Well-known member
Please explain. I'm ignorant on electrical but really want to figure it out.
Brick_Smart
Active member
It could be an 1120 rpm motor compared to a 1760 or 3600 rpm motor. Power is torque multiplied by angular velocity (rpm *2pi) so a slower spinning motor will have more torque for a given power rating.
Depending on how the motor is wound it could also have a different torque curve where it has much greater torque near stall than a smaller motor would.
Or it could just be a comically large 6" grinder with a wimpy motor
drivesitfar
Well-known member
ALL: isn't the HP on today's grinders figured on a different #? something about starting speed versus optimum running speed so the new ones could up their #'s? I know i've had some 1/4 and even 1/5th HP grinders that would run all day and out perform any of the new chinese 1/2 HP ones.
Ex: i too would pay for that Thor because i have maybe 3 of their small aluminum 1/4 hp models. i do like that paint job too that Thor had coming out of the factory. here's a picture of one of the aluminum ones and for a 1/4 with 5 inch wheels i have a hard time slowing it down. i'd say Thor is maybe as well made or better than our beloved block grinders or close.
Ex: i too would pay for that Thor because i have maybe 3 of their small aluminum 1/4 hp models. i do like that paint job too that Thor had coming out of the factory. here's a picture of one of the aluminum ones and for a 1/4 with 5 inch wheels i have a hard time slowing it down. i'd say Thor is maybe as well made or better than our beloved block grinders or close.
Attachments
You're right. Our good friends at Sears figured out another way to defraud the consumer by inflating HP ratings. They calculate it based on "meaningless" stall amperage vs running amperage. (that's when a motor is stalling out and consuming max. amps right before it nearly self destructs)
Unfortunately many other manufacturers had to follow suit to be competitive with Sears deceptive advertising schemes.
(ex: my 6 HP Sears 110V shop vac is more powerful then my IR 5 HP 220V 60 gallon air compressor
)The only way to make meaningful comparisons is based on running amps which many manufacturers no longer list in there specs.
I'm sure that old Thor grinder is plenty powerful.