TR: push/pull dynamometer

Isaac OLEG oleg-i@wanadoo.fr
Sat, 10 May 2003 12:11:17 +0200


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Hello,

Here are the tool I was lucky to find ,it is a simple one, with a
memory switch, and it is first intended to be used horizontally so a
few grams are to be added to the result (given by the manual) if
vertical move is to be used.

It is in fact accurate enough, but one may be attentive not to touch
the jacks button or the reading is false. the advantage is that you
read each time the highest spot during the hammer travel, may be more
surely that with weights (???)
it is a bit strange to use at first because one have to push on the
key, straight, an with an even motion, and the weight of the tool is
part of the move of course. But the readings are similar (2-3g near)
to the weights.
if a good setup could be made, the same kind of tool could be used to
input automatically DW UW measures in a computer, Iam sure David is
working on that is not it David ?


this one was made in Italy, it was cheap (in a disrupcy sale) $20 or
so.
I have no idea where to find another one actually.

Greetings
> I had not heard of a 'push/pull dynamometer' but a Google
> search shows 70
> results. I see that there is a very wide range of prices
> for such a device;
> can you be more specific about the type?
>
> Does anyone else use one of these rather than weights?
>
> Scott Jackson
> Australia
>
> ----- Original Message -----
> From: Isaac OLEG oleg-i@wanadoo.fr
> To: "Pianotech" <pianotech@ptg.org>
> Sent: Wed, 7 May 2003 16:55:47 +0200
> Subject: Key Weight (OT)
>
> >I have find a push/pull dynamometer to check UW/DW without
> having to
> >carry all that stuff.
>
>
>

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