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Dirty-South Blues Harp forum: wail on! > Some excellent info on reeds
Some excellent info on reeds
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Oisin
651 posts
Aug 26, 2010
11:12 PM
-I just found these two videos and they explain something about reeds that I never knew, i.e they all have various amounts of metal shaved off before they are stamped out.






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Oisin
GermanHarpist
1735 posts
Aug 27, 2010
5:42 AM
Thanks Oisin. here's the original thread.

http://www.modernbluesharmonica.com/board/board_topic/5560960/551095.htm
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nacoran
2629 posts
Aug 27, 2010
6:26 AM
So, here is a question... why aren't there composite reeds? I know there are alloys, but it seems that different parts of the reeds have different stress loads. The solution in old bows (the weapon, not the violin accessory) they used multiple materials.

I'm going to have to draw another crazy invention now. Nice vid GH.

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Nate
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jim
344 posts
Aug 27, 2010
8:13 AM
hey GermanHarpist,
isn't it you in the video? I think the voice sounds familiar to me...
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barbequebob
1193 posts
Aug 27, 2010
9:52 AM
Hohner has tried plastic reeds and they are god awful.
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nacoran
2631 posts
Aug 27, 2010
12:34 PM
I wasn't thinking plastic (I've got a Magnus). I was thinking of something way more complicated! Maybe some sort of metal laminate...

I don't know, just brainstorming. One of these days I'll post a thread with all my crazy harmonica 'innovations' and you'll all know the depths of my madness.

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Nate
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GermanHarpist
1736 posts
Aug 27, 2010
12:57 PM
yeah jim, that's actually me. :) Didn't hear the german accent... hehe

And I did another one on some reed physics...



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Last Edited by on Aug 27, 2010 1:03 PM
Oisin
652 posts
Aug 27, 2010
2:16 PM
Hey GH I didn't realise this was you. I loved those vids...you have a good way of explaining what you meant.

I want to visit that Seydel factory now.
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Oisin
arzajac
326 posts
Aug 27, 2010
4:35 PM
You present ideas very clearly. It's a pleasure to listen to you speak. Thanks for presenting this information. It's very pertinent.


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GermanHarpist
1741 posts
Aug 28, 2010
1:47 PM
Thanks Oisin, arzajac. Here's the second part:


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nacoran
2642 posts
Aug 28, 2010
11:28 PM
This is why I keep wondering about titanium. There is a certain range of motion in titanium where no metal fatigue occurs (I guess some grades of steel too). If that range is less than the range of motion of a reed being played hard theoretically they'd never break.

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Nate
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GermanHarpist
1746 posts
Aug 30, 2010
2:40 PM
The thing is as follows: What you want from a reed is a certain elasticity and a certain weight. The elasticity is important so that it starts swinging easily. The weight is important so that there is something that swings. If they are very light there is very little weight swinging which simply feels different. I noticed that with very cheap china harps (for instance the colored once for a couple of bucks), the material is very light and thus the reed feels very light when played. Also the material is very hard (when I tried to emboss it) which may also result in it being 'stiff'.

The third property that you'd like is a balance between being soft enough so that they are easily workable and hard enough that they don't scratch at every touch.

What we should do is check out different metals and compare these factors... (after my exams... :).

Making the reed out of two materials doesn't seem very practical with such a small reed,... but why not. Maybe some kind of high tech reeds in 2050 or something... :)

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Don't engage in negativity!

Last Edited by on Aug 30, 2010 2:43 PM
shanester
216 posts
Aug 30, 2010
6:42 PM
Good work GH! I like your vids too!

One thing I think that makes brass so great is how workable it is...very resilient tensile wise and soft.

Gapping, tuning, etc is made a lot easier with brass.

I think a lot of materials would make good reeds but how user-serviceable and forgiving would they be?
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Shane

1shanester

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