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The Raffan Cut (Read 3,153 times)
 
Ron Sardo
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The Raffan Cut
Apr 12th, 2008 at 7:23am
 
Just found this and thought others may also find this interesting

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Re: The Raffan Cut
Reply #1 - Apr 12th, 2008 at 6:13pm
 
Sure goes by quickly.  I'd love to see it closer and some detail on what is going on with it.  Looks like an efficient cut though.
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Re: The Raffan Cut
Reply #2 - Apr 12th, 2008 at 6:19pm
 
Can't tell if he's using a cup shaped cutter hollowing tool or a "big honkin" bowl gouge.  But he's not moving as fast as it first appears.  There's a couple of stops and starts in the video.
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Re: The Raffan Cut
Reply #3 - Apr 12th, 2008 at 6:22pm
 
I hear it ok but the screen doesn't move just like a still picture?
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Re: The Raffan Cut
Reply #4 - Apr 12th, 2008 at 7:37pm
 
I think it's a "big honkin'" bowl gouge with a traditional grind, not a fingernail grind. I have Raffin's video and he turns a box this way in about 10 seconds. I think Raffin's background is in production turning, so everything is at hyper speed. Personally, I ain't in that big a hurry.
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Ron Sardo
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Re: The Raffan Cut
Reply #5 - Apr 12th, 2008 at 7:41pm
 
He's using a bowl gouge, looks like 3/8".

I tried this cut a couple of times in the past, it is pretty easy, but scary the first time you try it. I think I may practice this cut a bit more.

Chuck, try saving to disk
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Re: The Raffan Cut
Reply #6 - Apr 12th, 2008 at 10:22pm
 
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1/2 inch shallow gouge.

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Re: The Raffan Cut
Reply #7 - Apr 13th, 2008 at 1:59am
 
thats pretty neat Johnat  didn't know you could read the whole book on google
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Re: The Raffan Cut
Reply #8 - Apr 13th, 2008 at 9:19am
 
Very nice


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Re: The Raffan Cut
Reply #9 - Apr 14th, 2008 at 11:42am
 
Ron, close, but for that hollowing cut he uses a 9/16" shallow gouge.  I attended a dem of his a while back, and that cut is the single most simple hollowing cut for a box turner, or anyone that does any sort of end grain hollowing.  The cut is very simple to learn, and one you have it, you have it.  It's efficient and leaves very little sanding.
Pretty sure CS USA has the very gouge and grind he uses.
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Ron Sardo
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Re: The Raffan Cut
Reply #10 - Apr 14th, 2008 at 1:29pm
 
You are right, that is the gouge he is using.

Yesterday I tried this cut with a 3/8" bowl gouge, and it worked fine. Although, it might be easier for someone starting out to use a shallower gouge.

To steal a line from Sweeney Tod when he was holding his favorite razor in his hand, "My arm is complete!"  The reason I used a 3/8" bowl gouge is because that is the tool I'm most comfortable with when I'm hollowing out boxes.


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Re: The Raffan Cut
Reply #11 - Apr 15th, 2008 at 6:05pm
 
Ron Sardo wrote on Apr 14th, 2008 at 1:29pm:
You are right, that is the gouge he is using.

Yesterday I tried this cut with a 3/8" bowl gouge, and it worked fine. Although, it might be easier for someone starting out to use a shallower gouge.

To steal a line from Sweeney Tod when he was holding his favorite razor in his hand, "My arm is complete!"  The reason I used a 3/8" bowl gouge is because that is the tool I'm most comfortable with when I'm hollowing out boxes.



I don't disagree with a single statement there.  I actually use a 9/16" more an more.  I cannot remember where I picked it up. but man I love the thing.  It's slightly less aggressive than a 5/8" (think Ellsworth) and the grind will NOT clog up with roughing cuts.  It's incredible how efficient it is.
That said, I find my 3/8' Glaser in my hands more than any other gouge I own.  I use it to rough, and finish bowls.  It just becomes a sort of extension.
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Re: The Raffan Cut
Reply #12 - Apr 15th, 2008 at 9:12pm
 
I've read descriptions of the "Raffan cut," but seeing it done makes it look less awkward than it sounds.  I'd go out and try it, but my lathe is in the repair shop.  Cracked pulley. Embarrassed
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Re: The Raffan Cut
Reply #13 - Apr 22nd, 2008 at 9:24am
 
Dennis Barley wrote on Apr 12th, 2008 at 7:37pm:
I think it's a "big honkin'" bowl gouge with a traditional grind, not a fingernail grind. I have Raffin's video and he turns a box this way in about 10 seconds. I think Raffin's background is in production turning, so everything is at hyper speed. Personally, I ain't in that big a hurry.


I have a couple of his videos also, and in my opinion he goes way to fast for teaching purposes. I can't deny his skills, but I have no need to turn a bowl that fast. I have put his DVDs on the back shelf until I learn enough to keep up.
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Re: The Raffan Cut
Reply #14 - Apr 22nd, 2008 at 11:53pm
 
Raffan's entire emphasis is technique with speed.  That's his entire point of efficiency.  You'll work up to it, just by practicing his technique.
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Re: The Raffan Cut
Reply #15 - Apr 23rd, 2008 at 3:25am
 
Jeremy,
I have to agree with Ed he does go way to fast for teaching purposes.
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Re: The Raffan Cut
Reply #16 - Apr 23rd, 2008 at 7:59am
 
In one of the DVDs I have he is going to show you how to turn a bowl. However, the way he mounted it was purley for the purpose of showing off IMHO.
He has a bowl blank with a hole drilled in the center, then with the lathe spinning Shocked, he puts the blank on the screw center, SMACK. The screw grabbed that blank and yanked it into the faceplate in about a nono-second.
I am a beginner and would never try that, ever.
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Re: The Raffan Cut
Reply #17 - Apr 23rd, 2008 at 1:18pm
 
That's actually how I mount smaller blanks, up to about 10 or 12 inches, on my woodworm, lathe running, let the lathe do the work.  I learned that from him.  I learned a lot of things that save a LOT of time from Raffan.  I use his roughing cuts, and can rough a bowl to 1/2" thickness in about 6 cuts.  Grand total of two minutes turning.
I've seen all his videos, own a couple, and have seen his live demo's a number of times, and find that by doing just what he says you're going to have zero problems.  He's a production turner that utilizes some of the most efficient methods of turning.  He's an excellent teacher on video and live, and have found few that can relate the process of gouge to wood in the same way that he can.  I disagree that the videos are at too fast a pace to learn from, if you are following the steps, you can't go wrong.  You can't slow that specific style down to a "step by step" because it flows together so rapidly.  You'd lose on the transitions and the fluidity of the method.
While I'm sorry that you have a problem in the way Raffan presents the information, maybe there are other instructions that are more at your speed.
That said, if you are just starting, or are a less experienced turner, I would concede that raffans' videos may not the best instruction for you.  If you do not have a very good relationship of wood to gouge, and a very good basic foundation in turning, you won't be as likely to follow all of the information that is being presented in the manner he does it.
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Re: The Raffan Cut
Reply #18 - Apr 23rd, 2008 at 2:23pm
 
I was making some hook tools from concrete nails and wanted to review use of the hook tool.   There is a nice video on the woodworking channel (AAW section) of Andre Martel demonstrating end-grain hollowing.   He starts with the Raffan cut demo before moving on to the hook tool.   I think his demo of the Raffan cut might help some new-comers to it to visualize what is going on in this technique.
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Re: The Raffan Cut
Reply #19 - Apr 23rd, 2008 at 4:09pm
 
Jeremy,
I tried to mount a 4" piece of wood with my lathe running at 500rpm. I used my calipers to check the thickness of the worm screw on my Cuda II chuck I checked it between the threads & went half a thickness larger then it showed & I think it bent the screw. It doesn't seem to run true? also when I tried it it also didn't go on straight but was off about 1/8". I'm sure I did something wrong but I just don't have a warm fuzzy feeling for doing it that way.

Chuck

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