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  1. J

    Quincy Qt-15 compressor saga continues reed plates and mods?

    https://vimeo.com/137803632https://vimeo.com/137803662 Sent from my iPhone using Tapatalk
  2. J

    Quincy Qt-15 compressor saga continues reed plates and mods?

    any compressor engineers on here? I recently purchased a used quincy qt-15 that I'm going to use for home use for things like soda blasting. It's got header unloader valves and pushed enough cfm where it would be reasonable doing a good amount of work. I'm using a 7.5 baldor motor single...
  3. J

    quincy Qt-15 got a 7.5hp baldor explain cfm and pulley rpm?

    I've lightened flywheels on motorcycle engines to allow me to kick it over easier. Plus the throttle response is slightly better. Instead of putting all my weight into it, it just takes a nice easy kick to get it running. I'm pretty sure the same can be applied for a compressor motor. It's...
  4. J

    quincy Qt-15 got a 7.5hp baldor explain cfm and pulley rpm?

    I am thinking this through and I understand ratios would change and I would change the motor pulley to accommodate for it. As much as it stores energy it's a rediculously huge chunk of mass which makes it like running a low rpm diesel motor and I understand why it's there. It's like so to...
  5. J

    quincy Qt-15 got a 7.5hp baldor explain cfm and pulley rpm?

    You run the belts looser on two belt setups.
  6. J

    quincy Qt-15 got a 7.5hp baldor explain cfm and pulley rpm?

    I'll get pics at some point. The quincy qt-15 is a dual belt setup. I'm hoping to reuse the ones i have which i don't see as a problem. It's nice since it puts less strain on the bearing and crank etc. If I really think lightening the 19.5" crank will help with the 7.5 motor i'm going to...
  7. J

    quincy Qt-15 got a 7.5hp baldor explain cfm and pulley rpm?

    Well since I wanted to learn the compressor I pressure washed it, stripped it, painted and polished all the brass and copper. It looks like a 1920s steam Punk engine now. Quincy fanatics would have a heart attack but it's beautiful now. I think I'm going to move all my extra stuff in the...
  8. J

    quincy Qt-15 got a 7.5hp baldor explain cfm and pulley rpm?

    I'm always a little defensive, it's my nature. Construction world family business, arguing with my father most of my life. It happens. It needs around 20cfm based on most of the pressure pots I've read about so far. I'm still somewhat convinced there will be enough cfm for what I need with...
  9. J

    quincy Qt-15 got a 7.5hp baldor explain cfm and pulley rpm?

    I have absolutely no need for 175psi. Pressure switch at 125psi They came with 10 and 15hp motors. The 10 pushed out 35-40 cfm and 15 around 55cfm. I bought a 7.5 low rpm baldor for its torque. If initial start up is a dilemma I can start it unloaded? I build motorcycles as a hobby and...
  10. J

    quincy Qt-15 got a 7.5hp baldor explain cfm and pulley rpm?

    I look at it this way. If I have a 120 gallons of 20-25cfm available and a quiet machine even though it's capable of 55cfms it's still better than anything I would of bought new for what I could of afforded and after reading what i could of afforded would be a loud annoying 3500rpm single stage...
  11. J

    quincy Qt-15 got a 7.5hp baldor explain cfm and pulley rpm?

    I've turbocharged a few cars in my lifetime. That mentality = just buy it see what happens. Worse case scenario it gets used on a 185cfm setup and I just rent it out and build a little portable pot and aftercooler for it. I think it's going to be fine and I'm holding onto the 3 phase 10hp...
  12. J

    quincy Qt-15 got a 7.5hp baldor explain cfm and pulley rpm?

    I bought a used aftercooler that is mint for 225.00. It's a gigantic one TC-170 with 1-1/2" npt threads. I'm going to reduce the feed down to 1 inch and after leaves it to 3/4"
  13. J

    quincy Qt-15 got a 7.5hp baldor explain cfm and pulley rpm?

    It was cheap, and later on if the 7.5 is not what I think it will do and if I need a bigger motor I'll slap a 22hp gas on it and just use it for continuous run blasting. I've seen and read some interesting setups. I like this compressor and if I have for 20-30 years god willing it may be like...
  14. J

    quincy Qt-15 got a 7.5hp baldor explain cfm and pulley rpm?

    I've spent this week with all my free time reading about compressors. The brain is close to being fried and it's 4am but I'm not a novice to it anymore. Hopefully I'll get some pics up at some point. I looked into gas and electric motors for awhile. A 10hp single phase baldor motor seemed...
  15. J

    Soda blasting: Quincy QT-15 electric to Gas plus aftercooler questions?

    It's mobile to keep my family content while I figure out my life. From a young age I've helped with my family after my mom passed away from cancer. I'm living at my father's house and two cars are in his garage and in the summer I build motorcycles as a hobby. It's mobile for storage...
  16. J

    Soda blasting: Quincy QT-15 electric to Gas plus aftercooler questions?

    Yes I've been reverse engineering all the aftercoolers and understand the need for drain etc. considering I got most of everything cheap I will be making an effort for greater than a 1" plumbing setup. The feed from the tank to the aftercooler will be the largest and after the aftercooler it...
  17. J

    Soda blasting: Quincy QT-15 electric to Gas plus aftercooler questions?

    It's getting an electric single phase motor. I've had the day off from work and spent the time researching it. I'm picking the compressor up tomorrow and will post some pics of everything I got so far. It will be a mobile setup that is stored in my father's girlfriend rental house garage and...
  18. J

    Soda blasting: Quincy QT-15 electric to Gas plus aftercooler questions?

    http://http://www.dreisilker.com/Documents/Ctrl_Hyperlink/ac_motor_guide_uid2162010222362.pdf This is helping a bit while looking at single phase motors.
  19. J

    Soda blasting: Quincy QT-15 electric to Gas plus aftercooler questions?

    The compressor was a back up compressor for their business. My friend works there and that is why I got a good deal on it. I've been out and about to a local electric motor company and a few other places getting ideas. As far as hydrotesting it is possible and I've been reading about it...
  20. J

    Soda blasting: Quincy QT-15 electric to Gas plus aftercooler questions?

    Alternatively to running a gas engine. Baldor makes 10hp single phase motors. The one I'm looking at online has the same mounting plate as the one on the compressor and shaft diameter I think so it just would swap in there. I'm tempted to just buy one of them and run a 220v cord To the setup...
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