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Piano Strings for bass?

You wouldn't want to use a piano string, they're very stiff since they're designed for a higher tension (very thick core wire). They therefore have high inharmonicity, vibrating somewhat like a solid bar.

"Question:
What is the average tension on a steel piano string?

Answer:
Approximately 180lbs on the tenor and treble strings with a 15-20% increase on the Bass strings"
 
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i think piano strings have much bigger wraps around much bigger core wires. a bass string of the same given size would have multiple layers of thinner wrap wire over a thinner core.

a piano string the size of a bass G might even be a solid plain string!
 
You wouldn't want to use a piano string, they're very stiff since they're designed for a higher tension (very thick core wire). They therefore have high inharmonicity, vibrating somewhat like a solid bar.

"Question:
What is the average tension on a steel piano string?

Answer:
Approximately 180lbs on the tenor and treble strings with a 15-20% increase on the Bass strings"
each?!

a whole set of bass strings might be 200 lbs!
 
Yes each. From the site of a piano tuner: http://www.fosterpianos.co.uk/pianofaq0006.html

So that's 4 times the tension of bass strings. 180lbs = 4 x 45lbs. Sounds about right.

Also:

"Question:
What is the overall tension of the strings on a piano?

Answer:
When tuned to concert pitch approximately 18 tons"

yep - the harp / bridge, even on a small piano is *massive*...
 
Plus on pianos they must set them up in triplicate for a reason.... And they must give pianos metal frames for a reason....

Is this suggesting that piano strings have a higher tension?

If so, then you can easily account for that by getting lighter piano wire gauges, dropping them into the 35-45lb range.

i think piano strings have much bigger wraps around much bigger core wires. a bass string of the same given size would have multiple layers of thinner wrap wire over a thinner core.

a piano string the size of a bass G might even be a solid plain string!
Yes. The thinner core allows for greater string flexibility.

I believe most piano wire is plain and unwrapped up until ~.053", so yes, a G-string is accurate.