let-off

[David Ilvedson]

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Say, I would check with "Roger Jolly and his Amazing Steaming Machine...OK, I got carried away...there is no machine but Roger is having good results lightly steaming, which pops up the grooves and then ironing to bring up the tone...I am going to try it on my Yamahas at the SF Ballet...at least one of them...;-]
David I.

----- Original message ---------------------------------------->
From: <Wimblees@aol.com>
To: <pianotech@ptg.org>
Received: Tue, 22 Oct 2002 09:58:09 EDT
Subject: Re: let-off

In a message dated 10/21/02 10:17:49 PM Central Daylight Time, John5828@austin.rr.com writes:


In setting let-off in heavily played pianos, is it beneficial to set let-off
a little further away from the string than normal to reduce hammer wear?
I've got a couple of new Yamaha C2's in dance studio environments and I want
the hammers to last a long time.  (In fact, I've had let-off set just
slightly low and my plan seems to be working.)

thanks,
G. Voltaggio




To answer your question directly, yes, a little more let off will reduce hammer wear. But it will also cause strings to break. So it's up to you which you want to do, replace strings, or shape hammers.

But why do you want to "save" the hammers on these two pianos? Are they yours, or do they belong to the dance school? In either case, heavy use causes hammers to wear out. That's called "normal wear and tear" for a dance studio piano. Increasing let off m
Personally, I would leave the let off where it is, and inform the customer to start saving up for those new hammers.

Wim


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