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  1. 27th August 2007, 03:43 PM #1
    Kaiser Soze
    Kaiser Soze is offline 'Just hit it harder'
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    Default Are these figures right?

    Hi all
    I am looking to buy a rotary impact drill as I have some extensive tilling to pull up (60 sqm). It needs to be fairly robust but naturally I don't want to spend a lot. GMC have two I am looking at but the specs (attached) are confusing. In comparing the 1500 watt to the 950 and there seems to be more Revs and impacts per minute for the 950 than the 1500 Watt.
    Is that right?
    I thought the greater the Wattage the greater the revs etc would be.

    I have also compared these to the Ozito but am attracted to GMC as the money back or replacement feature is pretty good.

    Any thoughts anyone.

    .... "Don't tell him your name Pike!"
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  2. 27th August 2007 03:43 PM # ADS
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  3. 27th August 2007, 04:15 PM #2
    Skew ChiDAMN!!'s Avatar
    Skew ChiDAMN!!
    Skew ChiDAMN!! is offline Dances with splinters
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    Default

    It's fairer to say that the higher the wattage, the more power is being delivered by the motor. Delivered power & RPM at the tool bit, which is what's being quoted, depends heavily on what sort of gearing each is using.

    The 950W might have a 2:1 reduction, for example and the other a 3:1 reduction.


    Personally, I'd go for the Ozito hammer drill. Surprisingly, tt has received some favourable reviews from members of these forums.
    I may be weird, but I'm saving up to become eccentric.

    - Andy Mc
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  4. 27th August 2007, 04:22 PM #3
    Frank&Earnest
    Frank&Earnest is offline GOLD MEMBER
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    Default

    Hi KS. Wattage has no bearing on the number of revs. That depends on mechanical gears and the poles of the motor. I bought the Ozito and am happy with it - others in this forum have also found it very good value. Any of them should be enough to pull up tiles though: I found that I had to be careful not to dig too deep.

    ETA: I'm never quick enough for Skew!
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