antique curtis compressor /general electric 1.50 hp motor/ installed on a 80 gal. tank

by Jerry Glenn
(Altoona, Iowa)

The Curtis Compressor / General Electric Motor

by Jerry Glenn
(Altoona, Iowa)
A friend of mine moved and gave me an old curtis air compressor and it ran when she turned the switch on in the garage.. it was connected in there garage to an electrical off/on switch and I shut the power off from the breaker and disconnected the wiring and brought it home on my trailer. It is very heavy and it took 3 men to lift it on my trailer. My Question is: The tank when I drained it was full of about a quart of completely clear water. But the plugs were full of rust, and the drain valve was full of rust. So how can I clean up the rust and stuff that is in the tank and have piece of mind that it will not blow up when it is turned on. The tags are hard to read and I removed them and put them under a lighted magnifier light and got most of the information from the metal tags that I could. the First tag is off of the Compressor, and the second tag is off of the G.E. Motor. I also need to know much air the compressor tank holds.
Sincerely, Jerry G.


THE CURTIS COMPRESSOR
PAT. AUG.31-15 NOV. 30-15 NOV.14-16 NOV. 8-21

KEEP BASE FILLED BETWEEN HIGH AND LOW LEVEL OF OIL
WITH GOOD AUTOMOBILE CYLINDER OIL. CLEAN OUT BASE
ONCE A YEAR. RUN AT LEAST 250 REV: PER MIN.
MANUFACTURED BY
CURTIS PNEUMATIC MACHINERY COMPANY
ST. LOUIS USA Q-82
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GENERAL ELECTRIC 1.50 HP MOTOR
GENERAL ELECTRIC
REPULSION-INDUCTION MOTOR
MODEL: 5SCR224 C 53 FRAME -224 TYPE-SCR
CYG-60 SINGLE PHASE SPEED EJ 1760
VOLTS 110@15.0 AMPS VOLTS 220@7.5 AMPS
SERVICE FACTOR
1.50 HP CONTINOUS LN 5890

Comments for antique curtis compressor /general electric 1.50 hp motor/ installed on a 80 gal. tank

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Oct 25, 2016
What do I have and approx value?
by: Big faddy

Theres a plaque on side of old curtis air comp i recently bought.

It says curtis then curtis pneu. Mach'y co. St louis h.p. 1/2 volts 110 amp 5.5.cycles d.c-60 rpm 7500 ser 505 i.s. no 11280 c.s.c. motor The domestic electric company Cleveland,o. Pats1292714 1325232 patents pending .

the last date i see on it nov. 8 1921on a Curtis compressor stamp on gear bix i believe. Round larger pully on front with smaller one on electric motor. Runs great. Quiet. Has original plug. Just curious about it.

Very well made with metal carrying handle on top anf sits on 4 even spring feet. 125 psi guage on it now. Old but not certain its original.

Anyone know what this is and if its similar to other curtis motors ranging in thousands?

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