Skylarking
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Duty cycle is a rather important consideration and something often overlooked.I have a couple of cheaper Dual Actions, a no name cheapie and a cheap Meguiars G220, both cost around $300 and neither can be used for any serious correction work.
Both overheat after an hour or two and shut down and need to rest for 30 minutes to an hour before they can be used again.
That’s could be one of the reasons the Pros go for the expensive stuff, I can use my Festool for 8 hours without having any down time and for a Pro, downtime equals money.
It should be something that’s clearly specified within the specs but often such is not listed. Cheapies wouldn’t sell if a 20% duty cycle was listed (I wouldn’t buy such).
We don’t have to justify what we choose to spend our money on but it’s great to get some feedback from those that have made the investment on what one gets for their extra spend.I'm not justifying the money I spent on the more expensive ones as a mid price machine would most likely work just as well, it's the cheapies that struggle.
For me, a combo polisher/sander with a 100% duty cycle sounds like the bees knees… It’s a big investment and hard to justify the spend but it becomes easier when you hear of the benefits... So even though I’m an amateur, I vary my time and hate waiting for tools to cool down with a passion. That alone would make the extra spend over the cheapies worth while