- Thread starter Geo-TH,In
- Start date
OP
OP
Geo-TH,In
Well-known Member
jm,
Thanks, No one has ever accused me as being the sharpest tool in the tool shed before.
I was keep an eye on the dewalt compressor. Considering replacing my old 1.5 hp twin stage compressor when I get the pole barn done.
I think my old compressor may be older than I am.
It has a rare motor, no start capacitors.
It's called a repulsion start, induction run. I acts like a DC motor, repulsion motor, during start. It has brushes that mechanically lift off communicator after it gets up to speed converting motor into an induction motor. I've only seen one other motor like this. That motor was so old the insulation was falling off wires.
geo
Thanks, No one has ever accused me as being the sharpest tool in the tool shed before.
I was keep an eye on the dewalt compressor. Considering replacing my old 1.5 hp twin stage compressor when I get the pole barn done.
I think my old compressor may be older than I am.
It has a rare motor, no start capacitors.
It's called a repulsion start, induction run. I acts like a DC motor, repulsion motor, during start. It has brushes that mechanically lift off communicator after it gets up to speed converting motor into an induction motor. I've only seen one other motor like this. That motor was so old the insulation was falling off wires.
geo
Steve@Advance
Well-known Member
I ran across some motors like that when I worked at the old pasta factory.
Just like you said, the brushes would retract when running. These were on a packing machine with conveyors that started and stopped constantly, signaled by incandescent lamp, tube type photo cell sensors.
Just like you said, the brushes would retract when running. These were on a packing machine with conveyors that started and stopped constantly, signaled by incandescent lamp, tube type photo cell sensors.
Those aren't as rare as you might think. A lot of stationary power woodworking tools were equipped with those. I have a couple, one 1.5hp 120/240 version on my Delta Unisaw, probably 1940s/early 50s vintage. Also have a spare 3hp, 3ph that I bought to provide more cutting power. That was 15yrs ago and the 1.5hp has done everything I need. I have seen planers, jointers, and stationary sanders with those.
Very good motors, just expensive to make.
Very good motors, just expensive to make.
We need pictures and more. Real compressors are cast iron. They run at reasonable speeds. They don't have phony baloney motors. I have Emglo units and they are tough as nails. There was a time when Emglo built Dewalt units but that was long ago. Just my preference. Aluminum pumps are fine for home use but need to have on the nose maintenance. Oil and air filters are critical. They need steel sleaves. Now THIS is a compressor. Used on Ebay. Four piston cast iron pump.
Russ from MN
Well-known Member
- Location
- Bemidji MN
I would like to have a bigger compressor, I'm still using one made out of an Chrysler air conditioner pump on a fork truck propane tank! I rotated the tires on the car yesterday and it kept up to my impact just fine, but it gets a work out when I blow out the sprinklers. It runs pretty steady for at least an hour, gets pretty hot.
Russ from MN
Well-known Member
- Location
- Bemidji MN
I have a repulsion-induction motor, it was old when I got it in about 65!
As I recall, DeWalt failed because they made high quality stuff and and listed it for a premium price and at some point that business model no longer worked.
Dack and Blecker made cheap power tools to sell at a low price, and at some point didn't have a real good reputation for quality.
They then bought the DeWalt name and converted the color of their power tools to yellow and black.
Love or hate today's DeWalt power tools they have NO relationship to, nor are they descended from the (high quality) DeWalt power tools from "back in the day"
Someone correct me if I'm wrong, please!
OP
OP
Geo-TH,In
Well-known Member
Russ,
I bought mine used 40 years ago and it was old then.
My compressor is unique too. Like electric motors that have a mechanical end switch. This compressor has a governor like device, pressure relief valve, that prevents the pistons from making pressue until the pulley has come up to speed. This requires less work for motor getting started.
Haven't seen any new compressor built like that. Can't say I've seen an old one built that way either.
I bought mine used 40 years ago and it was old then.
My compressor is unique too. Like electric motors that have a mechanical end switch. This compressor has a governor like device, pressure relief valve, that prevents the pistons from making pressue until the pulley has come up to speed. This requires less work for motor getting started.
Haven't seen any new compressor built like that. Can't say I've seen an old one built that way either.
Mutt and Jeff
Member
175psi 2 stage
chasing blown hoses and and impact guns on steroids
like driving a Cadillac to the corner liqueur? store..
Oh that's right, they replaced all the corner liqueur? stores
they are now pharmacies
chasing blown hoses and and impact guns on steroids
like driving a Cadillac to the corner liqueur? store..
Oh that's right, they replaced all the corner liqueur? stores
they are now pharmacies
MarkB_MI
Well-known Member
- Location
- Motown USA
> As I recall, DeWalt failed because they made high quality stuff and and listed it for a premium price and at some point that business model no longer worked.
> Dack and Blecker made cheap power tools to sell at a low price, and at some point didn't have a real good reputation for quality.
> They then bought the DeWalt name and converted the color of their power tools to yellow and black.
Not really. DeWalt was a maker of radial arm saws that B&D bought in 1960. For many years, B&D made both homeowner and professional-grade power tools. I have a couple of B&D Professional tools from the eighties, and they are extremely well made. It wasn't until 1992 that B&D re-branded their professional line as DeWalt. So it wasn't a matter of making cheaper DeWalt tools, it was re-badging the high-end B&D line as DeWalt.
DeWalt history
> Dack and Blecker made cheap power tools to sell at a low price, and at some point didn't have a real good reputation for quality.
> They then bought the DeWalt name and converted the color of their power tools to yellow and black.
Not really. DeWalt was a maker of radial arm saws that B&D bought in 1960. For many years, B&D made both homeowner and professional-grade power tools. I have a couple of B&D Professional tools from the eighties, and they are extremely well made. It wasn't until 1992 that B&D re-branded their professional line as DeWalt. So it wasn't a matter of making cheaper DeWalt tools, it was re-badging the high-end B&D line as DeWalt.
DeWalt history
MarkB_MI
Well-known Member
- Location
- Motown USA
If in the ad flyer you click on the compressor, you'll get a pop-up. Then click on "See It" and it shows the $999.98 regular price.
RK Dewalt 80 gal 2 stage compressor
RK Dewalt 80 gal 2 stage compressor
OP
OP
Geo-TH,In
Well-known Member
Who sells a repulsion/induction motor?
I don't get out much, so I've only seen 2 in my lifetime.
The print shop in HS has a repulsion motor with a foot peddle to adjust the speed. I think they had to get rid of it for safety reasons. It was very old. No safety guards, everything was old school but it worked well.
I don't get out much, so I've only seen 2 in my lifetime.
The print shop in HS has a repulsion motor with a foot peddle to adjust the speed. I think they had to get rid of it for safety reasons. It was very old. No safety guards, everything was old school but it worked well.
Ultradog MN
Well-known Member
- Location
- Twin Cities
If you could have found the Dewalt compressor at Menards your heart would have been full.
glennster
Well-known Member
george, if you are looking for a compressor and have 3 phase power, i am replacing one of our shop compressors with a rotary screw compressor. it is a snap on 10 hp 120 gallon horizontal. not a lot of hours, it was our back up. 800 takes it. email me for pics and a video of it running.
OP
OP
Geo-TH,In
Well-known Member
Udog,
Yes, if Menards sold that Air compressor and 11% rebate and I get 2% rebate using my Menards CC I would be a very happy man.
I think Menards sells cheapie brands.
Before I would buy a Menards Cheapie, I would move my antique air compressor to new pole barn or I use my cheapie HF portable compress to barn. I like to have a portable compressor instead of a portable air tank.
I've look closely at new air compressors. They have a wide range of shut off pressures. The dewalt shuts off at 175. Some cheapies shut off around 120.
BTW, I have 5 air compressors total. One is small enough I can power it with my portable generator. It's nice to put generator in back of truck and have portable air when needed.
geo
Yes, if Menards sold that Air compressor and 11% rebate and I get 2% rebate using my Menards CC I would be a very happy man.
I think Menards sells cheapie brands.
Before I would buy a Menards Cheapie, I would move my antique air compressor to new pole barn or I use my cheapie HF portable compress to barn. I like to have a portable compressor instead of a portable air tank.
I've look closely at new air compressors. They have a wide range of shut off pressures. The dewalt shuts off at 175. Some cheapies shut off around 120.
BTW, I have 5 air compressors total. One is small enough I can power it with my portable generator. It's nice to put generator in back of truck and have portable air when needed.
geo
I recently bought a similar DeWalt air compressor. It's not that
model. Mine doesn't have the repulsion motor. Reading some of
the reviews, the one I bought was supposed to be better.
It is the first new compressor I've bought that was "Made in the USA".
It's also the first one that arrived from the factory broken.
They sent a local repair shop out to fix it under warranty before it
was ever installed or wired up. Hopefully you have better luck.
model. Mine doesn't have the repulsion motor. Reading some of
the reviews, the one I bought was supposed to be better.
It is the first new compressor I've bought that was "Made in the USA".
It's also the first one that arrived from the factory broken.
They sent a local repair shop out to fix it under warranty before it
was ever installed or wired up. Hopefully you have better luck.
Russ from MN
Well-known Member
- Location
- Bemidji MN
Sure, your going to need some to paint your gas cans yellow for diesel!
miner09
Well-known Member
- Location
- Pattonville Texas
$999 is the everyday price here at TSC or Autwoods for that same 80 gallon Dewalt.
Ultradog MN
Well-known Member
- Location
- Twin Cities
The back of my lot abuts a big industrial building - a factory.
I've gotten to know the owner pretty well over the 12 years I've been here and keep an eye on the place.
They have a 75 hp screw type air compressor that runs 27/7/365.
The owner had his maintenance guys drill a hole through the concrete block wall and put a 1/2" air tap out there for me.
I ran a rubber hose from there into my garage.
It's regulated to 90 psi but it's unlimited.
Not enough pressure to run impact wrenches but enough to paint tractors, air up tires, run my die grinders, needle scaler, etc.
To say I'm grateful to him would be an understatement.
I've gotten to know the owner pretty well over the 12 years I've been here and keep an eye on the place.
They have a 75 hp screw type air compressor that runs 27/7/365.
The owner had his maintenance guys drill a hole through the concrete block wall and put a 1/2" air tap out there for me.
I ran a rubber hose from there into my garage.
It's regulated to 90 psi but it's unlimited.
Not enough pressure to run impact wrenches but enough to paint tractors, air up tires, run my die grinders, needle scaler, etc.
To say I'm grateful to him would be an understatement.
DoubleO7
Well-known Member
- Location
- Crystal River, FL
I would spend the extra $300 and get the 60 gallon Quincy.
Made in the USA, next door to Mobile, AL.
Not like the Dewalt that says " made in usa with global parts"
Made in the USA, next door to Mobile, AL.
Not like the Dewalt that says " made in usa with global parts"
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