[CAUT] DC bottom covers

[Roger Jolly]

Hi Stan.
                I think the results of the data loggers show a lot.    This 
graph is a sample of two closely matched C3 grands in a teaching studio at 
the University. The pianos sit side by side . Both pianos had calibrated 
data  loggers fixed in identical positions on the centre beam.
Humidity and temperature measurements were made every 15mins 24/7.
One piano with cover, one without.
The covered piano had the damp chaser unplugged for a few days.
Tuning changes were also made on a weekly basis, but I will share that data 
at a later date.
You will note that the temperature of the covered piano is one to two 
degrees higher because of reduced circulation, but the humidity is on 
average 10% higher.
My research has shown that pads should be changed every 60days for maximum 
efficiency.

Just some teaser information.

I will get around to collating and publishing more extensive data later.

Point.  These bottom covers work, now we have to collectively find better 
ways to install them.

Regards Roger


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