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I gave it a whirl as well and it worked great. A big time saver on the embouchure cutting and it gets the angle just right. Still a respectable amount of hand work to do, but a substantial reduction overall.

waltsweet wrote:Benade... shows the back wall as convex. Done with files?

To be clear, I think the diagram showing the opposite wall as convex was *only* to illustrate what he meant by convex, not to suggest what the hole should look like.

Congratulations on your successful experiment. Good to know.

I just applied my best interpretation of Benade's instructions, with outstanding results

My reading of the article is that he did intend for the blowing wall to be finished by hand, regardless of whether the 7 degrees was to be maintained only at the 0 degree azimuth angle, or at all angles within the target region (+/-60 degrees), and that the tool to use for doing this was a straight ...

Well, Prof. Benade is throwing a lot of good terms around, but I still don't think the method is completely described. I, of course, am interpreting based on my experience. The references to choice of plane would help, but I'm not ...

... regarded to be easy to blow, shows that they tend to have an almost flat plane region on the blowing wall, within the critical region defined by Benade. Such a shape satisfies Benade's constraint (I think -- at least in so far as I have interpreted his intent), but not while also maintaining ...

Right, underspecified. Very annoying to someone who just wants to do what others have done! Here's the excerpt that talks about the undercut at ±60°. Transitions between Undercut Angles . . . . . . First and foremost we consider azimuths lying in the region one blows against, running counterclockwis...

He also points out that the undercut needs to be held in relation to the central axis of the blowhole itself (all around the Z axis, not a simple Y offset as shown). I did not see this claimed anywhere in the article. All I saw was that the undercut angle of around 7 degrees should occur at the due...

Excellent posts. I've always wondered what overall principles are at work in a good embouchure cut, but up to now not a lot has been said, making it more of a mystery than anything else. This brings some clarity to it. Thanks!

I just read FoMRHI's Comm 2070, where Arthur Benade advises on Cutting of the flute’s embouchure. This is real info, otherwise very rare. Boehm says 7° undercut, but almost nothing else. Jonathon Landell knows his stuff, and can train you in one ...

Fascinating stuff. I had no idea Benade had written anything of that detail on flute embouchure holes. I think a lot ... made a really nice head, you are disinclined to put it at risk! I was puzzled by Hammy's rant: there is a special level of hell reserved for the creators of [flute ...

Fascinating stuff. I had no idea Benade had written anything of that detail on flute embouchure holes. Interesting that ... edge, and emphasizes that the undercutting be flat, not curved. I was puzzled by Hammy's rant: there is a special level of hell reserved for the creators of [flute ...

There is a relatively dense but interesting post at Hammy Hamilton's blog about the physics of the flute embouchure by Arthur Benade http://hammy-flutemaker.blogspot.com/2019/08/benade-and-embouchure.html The Benade article ...