High-tension or Low-tension?

[Ron Overs]

John,

>  >JD wrote of a Brinsmead;
>  >
>  >>..to renew the action with a modification that completely 
>eliminates the its one major weakness.

RO

>  >And the weakness is?

JD

>The instability with use, developing fast with heavy use, of the 
>hopper's positioning under the notch owing to attrition of the 
>cushion.

John, curious to know what sort of grand action we are discussing here?
-- 
Overs Pianos
Sydney Australia
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Web site: http://www.overspianos.com.au
Email:     mailto:ron@overspianos.com.au
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