Re: dirt build-up on the reeds....

[Michael Carley <mjcarley@xxxxxxxxxxx>]

> Hmmm interesting thought John Thaden has.  If the oxide is brass and you 
> remove it won't the pitch change also?  Doesn't the oxide form uniformly 
> along the reed surface.  If it does why would the reed nesecarrily always 
> go flat?  How much mass is really being added to the reed? Is it possible 
> that metal fatigue is a factor rather than oxides?  FJM

Fatigue won't really change the bulk properties that much. What might
happen is that fatigue in the reed root will change the stiffness and
then no amount of filing would help.

(Thanks for the SBS tuning, btw).

-- 
Survivors Describe A320 Flight As `Normal' (Aviation Week, March 6th 95)

Michael Carley, Mechanical Engineering, Trinity College, Dublin 2, Ireland
m.carley@xxxxxxxxxxxxxxxxx 353-1-6081134