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I have been working very busily on three new projects.  The first has been perfecting the smaller holed version of the Constellation model.

Making a pipe with smaller finger holes is not just a mateer of putting in smaller holes.  They have to be adjusted so that the spacing is further part.  When I did this I found that the upper octave did not play correctly.  So I decided to use a smaller pipe.  I drilled the pipe out to 12mm, as usual.  I did not use the reamer which opened up the pipe to 17mm at one end and to 13mm at the other.  I made a few trial pipes and found that the pipe worked.  I am now in production, prducing a run of forty pipes.

The 12mm bit does not always run straight.  These I redrilled with the 15mm bit.  That runs true.  Some woods have a grain that 'turns' the bit.  Even 1mm of out of true will result on a pipe with a hole in its side. I turn the pipe to 20mm and sand it 2mm more. That leads to a wall thickness of 3mm. 2mm out of true and the bore hole appears out the side of the pie during sanding.

However I decided to abandon the usual fipple [with the narrow widthof 3mm] of the Constellation, and used a wider fipple [of 6mm].  Instead of curving the fipple edge to produce softer and milder tones, I used a traight  edge, which give brighter and stronger sounds.  The upper register came in better.

I have used a batch of Macrocarpa that came from a house in Grove road.  It is very dry.  The wood is softer than any other wood except Radiata pine.  However it polishes up to a beautiful finish.  The tone is hard to get right, as the wood is 'hairy'.   I have to work longer on each fipple to get a good result.  Now I am confident the new pipe will work.  I am calling it the "Orion" after the brightest evening constellation in our summer sky.

I have made monor changes to the Constellation model too.  I no longer use a reamer, but start with a 15mm bit.  This gives a hole similar to the present Constellation model, but it is not "Conical".  The result is a pipe with a nice bright sound a a very good range. I am calling this pipe "Scorpio"

A second project I have been working on is a "D" pipe of aluminum tube.  I had a few false starts with the kind of ripple.  May second attempt came close, so I refined it to get my  final design.  These are called "Scorpio Aluminium"

I then bought some 25mm Aluminium pipe and attempted a "DD"  pipe.  I was most srprised at the beautiful sound that resulted.  To my surprise, I could also ply it like a fife.   This is called "Gemini" as it can be played two ways.

Fotos of all these developments will follow later today.

Cheers Chris the Pipemaster. 

4 Comments to Workshop:

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adres www on Saturday, 30 August 2014 12:42 p.m.
original structure decorating - on virtually any arena, this includes lighting In component instructions coping with your whole process
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Chris the Pipemaker on Saturday, 30 August 2014 3:30 p.m.
The art of decorating pipes is something I'm just beginning to try. I have experimented this week with some burnishing. This involves rotating the finished, polished piece of work at high speed while it is still in the lathe. A piece of string or a piece of wood is pressed against the surface and held against it until the surface begins to blacken. Quite beautiful markings can result. Next I intend to get a pyrography machine to make crisscross markings on the pipes to give them a striking appearance. Cheers Chris the Pipemaker
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profil on Tuesday, 7 April 2015 8:07 p.m.
but in addition regarding presence aid if not you reside in the place Depending within your device, you can easliy consult the several probabilities of seat belt sanders
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mobdro app on Monday, 27 August 2018 7:23 p.m.
The constellation model is a probabilistic, generative model for category-level object recognition in computer vision. Like other part-based models, the constellation model attempts to represent an object class by a set of N parts under mutual geometric constraints.
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