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RAS Blade Size

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Forum topic by Bluenote38 posted 06-28-2017 04:58 PM 342 views 0 times favorited 4 replies Add to Favorites Watch
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Bluenote38

219 posts in 227 days


06-28-2017 04:58 PM

I have 10” Craftsman RAS from the 80s(?). Works great but could use a bit of a tune up and cleaning. The question is 10”, 9”, 8” 7-1/2” blades any advantages/disadvantages? I ask because I saw somewhere a recommendation to use an 8” on a 10”RAS. Thoughts, comments, ideas? -Thanks

-- Bill - Rochester MI


4 replies so far

View Fred Hargis's profile

Fred Hargis

4762 posts in 2331 days


#1 posted 06-28-2017 05:11 PM

The reason you saw that reco (probably) was that the saw was one of the Dewalt saws. Some of their 10” saws are underpowered for today’s carbide tooth blades and the wider kerf they cut (versus the high speed steel blades that were common when those saws were introduced). Using a smaller blade helps with the underpower part, and the saw can cut with a little less struggle. No reason to worry about that with your saw, go ahead and get a 10” blade. I should add, not all of the Dewalts were underpowered. In some cases they took what used to be a 9” saw, and simply put a 10” blade guard on it. those saws were intened (I think) for the homeowner/diy market. They had “real” 10” saws that had 1.5 HP motors (1030, 1030K, other models) and those are the cat’s meow. Lastly, finding a 9” blade takes some searching these days, I wound getting a Ridge carbide, but couldn’t locate many others. But for your saw, go straight to a Freud LU91. Good value, negative hook (very important), and you can even get them without that hideous red coating.

-- Our village hasn't lost it's idiot, he was elected to congress.

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Bluenote38

219 posts in 227 days


#2 posted 06-28-2017 06:08 PM

Thx for the insights – mine has pretty much sliced anything I’ve tossed at it – the latest was 4×4 damp American Elm. I did pick up a Neg rake blade at the latest Detroit Woodworking show but I needed a new one anyway. I would like at some point to pick-up/restore a 50’s MBT

-- Bill - Rochester MI

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Ocelot

1856 posts in 2476 days


#3 posted 06-28-2017 07:16 PM

Don’t forget that the motor of the RAS has to pass over the wood.

8” blade take an inch off the max thickness you can cross-cut.

-Paul

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Bluenote38

219 posts in 227 days


#4 posted 06-29-2017 11:24 AM

Lol… Yep I ran into that problem! (pun intended) Sounds like I’m doing things right so I’ll stick with the big 10” and maybe later in the summer start on a referb job and a dust collector for it. -Thx

-- Bill - Rochester MI

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