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Re: 3D Printing and Carbon Fiber

Author: donald
Date: 2020-08-02 12:32

Ok imagine this...
Water is being pushed out a crack that is 1m big- you can push harder, and it will go faster as it is being compressed through an aperture.
Then imagine the SAME AMOUNT of water is being pushed though crack that is 14m big. Obviously there will be less resistance, and you will have less water per cubic metre. The longer the area past the aperture, the smaller the ratio of water to cubic metre.
In a clarinet air is being pushed through a crack that is between 1 and 2mm, but it then travels into a cylinder that is 14mm in diameter and 10 or 12cm before the nearest tone hole - from blowing into the 1mm aperture you will have the impression of resistance, you will have created airspeed through compression (which creates the energy to enable the reed to vibrate) but you are actually blowing quite a small total amount of air at any given moment. Once this enters a 14mm cylinder that is varying length, but more than 10cm long, you are actually blowing a very small amount of air per cubic cm. This is NOWHERE NEAR enough air to make a "hissing sound" as it comes out of a tone hole, trust me.

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3D Printing and Carbon Fiber new

seabreeze

2020-07-25 20:58