I'm putting a Dampp Chaser on Dolly, my 72 year old short and wide Kurtzmann baby grand. Exactly how crazy am I?

I don't know if you're crazy, Frycek, but a tech might say you're sort of locking the barn door after the horse is gone... you might want to post over there and see if they think a DC would provide any benefit after 72 years of no DC.

My tech is the person who recommended it. There's a small crack in the soundboard that causes a buzzing with humitidy changes. It hasn't been a problem until recently when we've had the wettest weather here in years - a true monsoon season. I'm pretty sure it will work since the buzzing goes away after the room warms up and dries out a bit from my heater.

After that "Housewife" posting on the ABF, I was almost afraid to open this about a fat old lady! Too funny!

I thought the thread was about
http://www.urbandictionary.com/define.php?term=piano%20legs

I recommend Lasix...

i'd say good call Frycek

I've recently put about $2400 in major repairs into a car with a blue book value of less than $500. I don't think you're crazy.

Don't know Dolly's "blue book value" but she still runs.

So what you're saying is that humidity exacerbates the buzzing of the soundboard crack, but once things dry out a bit the buzzing goes away. I'm wondering if that's typical? Not being technical my mind would have thought it would be the other way around, humidity would swell the board and close up cracks and stop buzzing. Any techs care to comment?

Usually that is the case Steve, but for this one what might be happening is that when the sounding board swells it happens to put a greater distance between the rib that is loose and the place on the sounding board where it is actually supposed to be attached: this extra room allows the rib to vibrate more freely apparently( can’t view the item in question)

That's more or less what my tech explained to my husband. (Husband doesn't speak piano and I wasn't there at the time.)