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  1. G

    Hard start 3 phase motor

    I'll check out the 'mechanics' of the lift today. I got this thing for super cheap. Less than $400. The other components were free. So this is mostly an experiment in learning etc. No frustration, just opportunity to learn and grow.
  2. G

    Hard start 3 phase motor

    I got the lift for less than $400.0. I enjoy learning new things. For my day job I am a business analyst and ERP programmer. I could get a different lift, but I got most all of the other equipment for free. So This is mostly all for me to learn new things. My garage/shop was built in the '60s...
  3. G

    Hard start 3 phase motor

    Jim, thanks. I had already found and downloaded the most current information on the static converter from the RONK website. I got this converter for FREE, but it had sat outside for over a year. It does seem to function, but since I was not able to get it to do what I wanted I decided to go with...
  4. G

    Hard start 3 phase motor

    Ronk Static phase converter I am not using the static to run my rotary converter. It is a Ronk 2S, Max HP-15, FLA-60amp, Model 80A, Input 240v, Output 240v. I have had it wired and powering the lift motor. I can set it up to run the motor with no load on the lift. I can also get it to lift a...
  5. G

    Hard start 3 phase motor

    Here are videos of the motor starting with no load and then it attempting to start with a load. No load start Under load attempt to start.
  6. G

    Hard start 3 phase motor

    Here are screen grabs of videos of the monito panel I created for the lift motor. Motor started with No load. This will lift the car. Motor attempted to start under load.
  7. G

    Hard start 3 phase motor

    These are pictures of the display panel I created for the lift motor.
  8. G

    Hard start 3 phase motor

    Additional information The 10 awg from the outlet to the rotary motor is about 6 foot in length. Amps that the rotary motor is pulling from the outlet on the 10awg wire to L1 and L2 is 23.3 amps. Voltages from the Rotary 10 hp measured at the Thermal overload for the lift are L1-L2 = 237v L1-L3...
  9. G

    Hard start 3 phase motor

    Updated/additional information The power is coming from the main box, a 200 amp supply. This line is on a 60 amp breaker. From there it is 8 awg to the outlet. From the outlet I am running 10 awg to the 10hp 3 phase motor that I am using as a rotary phase converter. This motor is a 10hp Baldor...
  10. G

    Hard start 3 phase motor

    I have an old automotive lift that uses a 5hp 3 phase motor. It turns a jack screw to lift the arms. I am running a 10hp rotary to power it. If there is no load, the motor will spin up and lift. IF I stop it and try to lift or lower it the motor will not get up to speed. I think I need to add...
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