Recent content by westatrest

Prospecting Australia

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  1. W

    converting 3 phase motor to electric

    food for thought
  2. W

    converting 3 phase motor to electric

    yeah , good on ya mate not text book warrior, but someone who actually knows what they are talking about, not a keyboard warrior like yourself! trying to get the point across that you cant do what he wants to do by just pluging any old 1PH motor in expecting it to work he wanted actual...
  3. W

    converting 3 phase motor to electric

    no, that is incorrect too! a standard 50HZ /4 pole /3 phase motor will have a rated speed of about 1440 rpm at the shaft, the formula is N=120f/p..which equates to Speed = 120 (phase angle differance) times f (supply frequency) divided by p (number of magnetic poles built into windings of the...
  4. W

    converting 3 phase motor to electric

    nah, thats not an issue..it can be geared up or down easily by changing the pulley sizes, same as bicycle gears but a smaller drive R pulley will draw more amps. FYI there is a few on ebay for about $1500
  5. W

    converting 3 phase motor to electric

    2.5HP is SFA when it comes to single phase, as the current 3 phase motor on the machine looks like a 5.5KW or bigger to run a single phase motor to to the same job as the current 3PH motor, it will need to be much larger, as the 1PH wont have the torque required to do the work you need, so you...
  6. W

    Wondering What Minerals n Rocks are around Moranbah

    CARBON(HEAT+PRESSURE)=DIAMOND good luck! :cool:
  7. W

    AtomRats Detector Findings

    could it be this?
  8. W

    Wondering What Minerals n Rocks are around Moranbah

    there is a wounderfull deposits of anthracite and lignite nearby, shouldn't be too hard to find a keeper out that way
  9. W

    generators and battery chargeing.

    NO..very bad idea as its an unregulated supply, you will overcharge the battery and possibly blow it up you can swap the battery from your car over, if you are camped up for a while.. just dont do any long drives with the agm in the car, as the altenator will probably overcharge it and kill...
  10. W

    Magnet Fishing

    Is that and old landmine in the background? (5:50)
  11. W

    My first detecting session

    if its an old army range, be very wary of UXO's (unexlploded ordnance)
  12. W

    opened trench, Newcastle CBD

    driving to and from work each day, i have noticed in the last week that some contractors or council have dug out a large trench about 100m long just off industrial drive near carrington.just past the 2nd roundabout heading north,outside the fuel depot...looks like they are doing some pipe works...
  13. W

    gold bar find

    yeah right...im calling BS on that one you can see the bar in the grass before he digs out that big clump, and places all the dirt over the top to try and conceal it
  14. W

    Gemstone Identification

    that one smack bang in the middle looks like a sapph to me, the others look like zircons and quartz.. what area did you find them?
  15. W

    diamonds gold and other stones after a fire

    thats why insurance companies pay lots of money to very clever people, to get them out of having to pay out on insurance claims!
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