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re: Are non-brushless power tools not as good as brushless power tools?

Posted on 3/13/20 at 9:10 pm to
Posted by CottonWasKing
4,8,15,16,23,42
Member since Jun 2011
29190 posts
Posted on 3/13/20 at 9:10 pm to
quote:

They switched from DeWalt to Makita



I’ve never met a Makita tool that couldn’t work circles around DeWalt
Posted by mohalk
Member since Feb 2009
375 posts
Posted on 3/13/20 at 9:21 pm to
Amen. Dewalt sucks. My dewalt circular saw and drill both let the magic pixies out, and their jig saws a piece of shite too. Have a dozen makita tools, all work fantastic.
Posted by Bawcephus
Member since Jul 2018
2747 posts
Posted on 3/13/20 at 9:25 pm to
quote:

Dewalt sucks. 


I won't argue, because everyone has different experiences... but I'll say I have beat my 20V Brushless drill to hell for years now and it keeps on keeping on. If it broke tomorrow, I'd buy another.
Posted by Fratigerguy
Member since Jan 2014
4851 posts
Posted on 3/13/20 at 10:35 pm to
I haven’t used any of the newer models on any of the others. But I have new 20v drills, small impact, 1/2” impact, saws, including worm drive, sawsall, jigsaw, grinder of the dewalt. I haven’t found anything they can’t do, and can’t do quickly. The new small impact with the 3 speeds is nice. The 1/2” impact is just flat out ridiculous the torque it has. I use them daily, and use them a bunch. They have really stepped up their game. Have several of their other toys as well and they are nice too. I think with all of the advancements they are making, most folks would be happy with just about any brand they get, especially for home/moderate use.
Posted by Megasaurus
Member since Dec 2017
965 posts
Posted on 3/14/20 at 12:05 pm to
quote:

Looking to get a cordless drill and cordless impact combo. The brushless options are more expensive and sometimes sold out compared to non-brushless. What am I missing here?


I bought a Milwaukee drill and impact set years ago, they are not brushless, Ive used that set to build a couple fences, decks and help rebuild a couple fences after hurricanes over the years. Ive driven THOUSANDS of screws with both, the original batteries are still good and never had any issues.. I dont use these to make a living but i do use them often. Just pick the red, yellow or teal colored set that is on sale
This post was edited on 3/14/20 at 12:07 pm
Posted by Clames
Member since Oct 2010
17766 posts
Posted on 3/14/20 at 12:37 pm to
quote:

Do us all a favor and quit posting things you THINK you know


You don't have the education, experience, anything except parroting shite you Google searched (Consumer Reports? Seriously?). Once again, ALL of the heavy-duty power tools are brushed. Brushless tools require more rpm and steeper gear reduction to get the same perfomance, more complex and less reliable electronics. You keep repeating the same shite about brushes causing friction yet not a single one of you has any idea how that is quantified or even how minimal it is compared to the friction in gear sets or bearings. Also, the majority of the efficiency gains for brushless motors are in the no-load/low-load operating range, which is meaningless for those that do work with these tools (but great for the marketing which you obviously buy into without much thought). How about you quit posting until you speak with some real engineers and get a bit better educated before imagining you know anything here?
Posted by biglego
San Francisco
Member since Nov 2007
80092 posts
Posted on 3/14/20 at 12:45 pm to
Sounds like brushless tools have no advantage. It’s all just a marketing ploy?
Posted by highcotton2
Alabama
Member since Feb 2010
10046 posts
Posted on 3/14/20 at 12:56 pm to
This thread has gone longer than I thought it would without someone throwing out an “Ok Boomer”.
Posted by Bawcephus
Member since Jul 2018
2747 posts
Posted on 3/14/20 at 1:18 pm to
In a tool thread...I present to you the biggest of them all..

quote:

Clames
Posted by finchmeister08
Member since Mar 2011
37920 posts
Posted on 3/14/20 at 1:33 pm to
quote:

How about you quit posting until you speak with some real engineers and get a bit better educated before imagining you know anything here?


Posted by Clames
Member since Oct 2010
17766 posts
Posted on 3/14/20 at 1:59 pm to
quote:

Sounds like brushless tools have no advantage. It’s all just a marketing ploy?


Smaller, lighter, less user-serviceable, and cheaper to manufacture, package, and ship...all advantages if you are in the business of selling the tools. There are some extra tricks inherent in the feedback controls but that function is more to protect the tool from damage than increase performance. You have a much smaller motor that can spin at 30,000 rpm in these drills, less inertia (which is also where a lot of the efficiency claims are made) but also smaller bearings rated to handle the rpm but not necessarily the loads. Go take apart a brushless Milwaukee impact, the rear bearing is tiny compared to what they used to put there, and it's supported by nothing but plastic instead of a molded-in steel cage. They also have to use an extra planetary gear sets to get the torque back through speed reduction but those are extra parts that break too. Less mass in the powertrain also means less mass to handle a sudden increase in load, that inertia isn't there so the controller responds by shutting down the tool. I'd rather my drill power through that landscape timber and get a bit hot rather than quitting because it's pussy started hurting. Buying into the marketing terms is like buying a ShopVac with a 6.5HP rating, you know damn well there's no 6.5HP there outside of a lab bench...
Posted by dstone12
Texan
Member since Jan 2007
35290 posts
Posted on 3/14/20 at 3:21 pm to
quote:

I bought a Milwaukee drill and impact set years ago, they are not brushless, Ive used that set to build a couple fences, decks and help rebuild a couple fences after hurricanes over the years. Ive driven THOUSANDS of screws with both, the original batteries are still good and never had any issues.. I dont use these to make a living but i do use them often. Just pick the red, yellow or teal colored set that is on sale


Their customer service is pretty damn good too.


Posted by Nicky Parrish
Member since Apr 2016
7098 posts
Posted on 3/14/20 at 8:59 pm to
Have two DEWALT cordless drills.
The older one brushes, the newer brushless.
Brushes wore out in the older one, looked on line couldn’t find brushes for that model.
Went to a DEWALT authorized repair facility, they said the brushes are not replaceable, have to change the motor assembly. At half the cost of a new drill I just bought another brushless.
Posted by Clames
Member since Oct 2010
17766 posts
Posted on 3/14/20 at 9:13 pm to
What model drill? The brushes are $13 and pretty much universal across the 18V/20V drills. It actually the brushes, holders, and springs as a complete assembly.
Posted by doliss
Northern VA
Member since Sep 2009
1025 posts
Posted on 3/15/20 at 8:03 am to
quote:

This thread has gone longer than I thought it would without someone throwing out an “Ok Boomer”.


Probably because this isn't the OT and is usually civil
Posted by Nicky Parrish
Member since Apr 2016
7098 posts
Posted on 3/15/20 at 8:59 am to
quote:

What model drill? The brushes are $13 and pretty much universal across the 18V/20V drills. It actually the brushes, holders, and springs as a complete assembly

My older brush model is DCD771 which is a few years old.
The “brush assembly” is what I was interested in.
When I couldn’t find that for the DCD771 is when I went to the DEWALT repair place and was told that wasn’t available.
Now I have two DCD777 brushless model.
Posted by SouthboundTiger
Baton Rouge
Member since Dec 2014
1084 posts
Posted on 3/15/20 at 9:37 am to
quote:

Clames


I cannot take anything this guy says seriously with the shite grammar he uses.
Posted by DeoreDX
Member since Oct 2010
4146 posts
Posted on 3/15/20 at 11:07 am to
A lot of the cheap brushed tools use sealed can motors which do not have replaceable brushes.

A lot of this is marketing. Some of the most efficient motors you can buy are actually brushed. But what is easier to market? A new fangled Brushless motor or a very expensive brushed motor?

Just because a tool is brushed doesn't mean it's worse than a brushless. I haven't cracked open and looked at the motors they are putting in current model tools but I would hazard to guess they are putting in cheap crappy low cost brushed motors in the brushed tools which makes them the bad buy, not the fact they are brushed.
Posted by Clames
Member since Oct 2010
17766 posts
Posted on 3/15/20 at 12:24 pm to
quote:

DCD771


Whole motor assembly is $23 and there's a better Mabuchi model for $36.
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