Urgent need of help with three technical terms

[Andreas Risberg]

Fellow colleagues,

I am new to the list and I’m in urgent need of help. Currently I’m working 
on translating a pt textbook from Norwegian into English. There are a few 
technical terms that I don’t know in English. I hope someone will be able to 
help me.

The first term is the down-bearing pressure that the strings exert on the 
bridge. Is there a common name for it in English?

The second term is only applicable in uprights. When the hammer touches the 
strings, there’s a small difference between the distance from the strings to 
the shank, just beneath the hammerhead, and the distance from the strings to 
the shank down at the butt. Directly translated from Norwegian to English it 
would be called Hammer Fall Angle. Ironically, although it’s called an angle 
it’s expressed in mm instead of degrees since it’s the difference between 
two distances. What is the English name?

The third term is the name of the surfaces, areas, fields or sections on the 
pinblock where there are tuning pins. All the tuning pins will typically be 
grouped into 4, 5 or 6 fields. What is the name for this?

Any help will be deeply appreciated! Many thanks in advance, Andreas Risberg

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