Cutter Reply No. 212


Electric Convenience and Power Independent Review by Peter Brett


I mainly tested the Husqvarna K3000 VAC by cutting concrete paving slabs with a diamond blade. Fortunately, the motor has an electronically controlled slow start, so getting up to cutting speed is undramatic and without any torque kick. It also has an electronic overload protection so the motor is protected from overzealous users. Because of the huge rotational energy of the big, heavy blade, the cutter is actually quite easy to keep in a straight line as you gently ease it backwards and forwards in the cut to the depth required. The big blade acts in the way that a big bicycle wheel keeps a bike in balance and upright. By connecting a powerful vac the dust was kept well under control, especially if you made an effort to keep the blade and dust collector close to the cut. I expected more of a noise level, but the noisiest bit is actually the sound of the disc cutting the concrete, there is hardly any noise from the motor itself. I reckon that it took me no more than a couple of minutes to virtually cut through a 50mm thick 450mm square concrete block, which is not bad at all. A tradesman who observed me cutting reckoned that a petrol- powered cutter was still quicker, but could understand the advantages of an electric machine in certain circumstances. I think I still prefer electric machines in most circumstances because noise, fume and vibration levels are lower and this Husqvarna made a very convincing case – it is no doubt a high quality and useful machine.


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Reply No. 208


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