QTY 1 RARE BRASS GEARBOX SPEED REDUCER 120 VAC WITH MOTOR BOSTON GEARS 5 SPEED!

Description: OFFICE STORAGE UNIT #5IF YOU PAY BY NOON EASTERN TIME I WILL MAIL YOUR PACKAGE THE SAME DAY !THE FIVE RATIOS ARE AS FOLLOWS--- 1ST = 665:1 2ND = 3323:1 3RD = 16,615:1 4TH = 83,075:1 5TH = 415,378:1EACH TIME YOU SHIFT TO A SLOWER GEAR THE OUTPUT SPEED IS REDUCED BY A FACTOR OF 5.THIS AMAZING MULTI-SPEED POWERED GEARBOX WAS USED TO POWER VARIOUS DISK TYPE CHART RECORDERS. THEY WERE ALSO USED TO TURN A CAM DRUM TO TRIGGER MICRO-SWITCHES FOR STOP MOTION TIME LAPSE PHOTOGRAPHY. IT WAS NEVER INSTALLED OR USED. THE GEARS IN THIS UNIT (MADE BY BOSTON GEAR) COST MORE THAN MY ASKING PRICE. THIS DRIVE WAS $515 WHEN THEY STOPPED MAKING THEM. THIS USES A VERY RELIABLE BRUSH-LESS MOTOR (DESK FAN STYLE)THAT RUNS CLEAN WITHOUT ALL OF THE BLACK DUST FROM CARBON BRUSHES.IT ALSO DOES NOT REQUIRE A CAPACITOR. JUST 2 CONDUCTOR FOR THE A.C. AND A GROUND WIRE. YOU SUPPLY THE POWER CORD. THE UNIT WAS FULLY TESTED AND RUN UP AND DOWN THROUGH THE 5 SPEEDS. THE OUTPUT SHAFT IS .1875” OR 3/16” DIAMETER. THE SPEED CHANGE SHAFT IS 1/4” DIAMETER. ALL METAL CONSTRUCTION THROUGHOUT WITH MOST OF IT BEING BRASS. A VERY WELL BUILT MECHANICAL MARVEL. GREAT FOR TESTING DIFFERENT PROTOTYPES OR EXPERIMENTAL DESIGNS RIGHT ON YOUR WORKBENCH. AS YOU CAN SEE IN THE PICTURES THIS UNIT IS WELL PACKED SO YOU WILL GET IT IN ONE PIECE. THE BOX HAS DESICCANT PACKS SEALED INSIDE TO CONTROL MOISTURE. (ALL SEAMS SEALED SHUT) THIS WILL BE FULLY INSURED FOR THE SALE PRICE. IT IS BEING SHIPPED IN A USPS MEDIUM FLAT RATE BOX. NEW OLD STOCK NEVER INSTALLED. NOW STORED WITH DESICCANT. MOUNTED TO THE BOARD IN THE BOX WITH 3 #10-32 SCREWS AND THE TIE STRAPS.THE LAST 2 SPEEDS ARE SLOW FOR STOP MOTION TIME LAPSE PHOTOGRAPHY WORK OR A CHART RECORDER.THE 3 MOUNTING SCREW ARE INCLUDED. THEY ARE #10-32 UNF. YOU MAY NEED A DIFFERENT LENGTH DEPENDING ON THE THICKNESS OF YOUR PROJECT ENCLOSURE. OPERATING VOLTAGE IS 120 VOLTS A.C. AGAIN THE OUTPUT SHAFT IS A VERY COMMON 3/16" DIAMETER. IT WILL ACCEPT ANY STYLE OF SHAFT COUPLING OUT THERE. RIGID, SIX BEAM, U-JOINT, DISK WAFER, REMBRANDT, BELLOWS, OLDHAM ETC.OUTPUT SPEEDS ARE APPROXIMATE 1ST GEAR --5 RPM 2ND GEAR --1 RPM 3RD GEAR --0.2 RPM 4TH GEAR --SLOWER 5TH GEAR --EVEN SLOWERIF YOU PAY BY NOON EASTERN TIME I WILL MAIL YOUR PACKAGE THE SAME DAY !

Price: 380 USD

Location: McCordsville, Indiana

End Time: 2023-09-19T23:54:59.000Z

Shipping Cost: 24 USD