Hammer Ratio

[Richard Brekne]

Ah... to be even more correct sost to not have any more confusion...

the "total length of the hammer shank" means .. the distance from the shank
centerpin to the middle of the hammer moulding... straight down the shank.



Richard Brekne wrote:

> Woah.. Ok.. so a few private posts indicate this perhaps is more
> confusing then I thought. So .... as precisely as I know how to
> define... :
>
> The hammer shank ratio is either : (depending on who you talk to)
>
> The total length of the hammer shank divided by the length the hammer
> shank center pin is from the center of the knuckle core. Both lengths
> taken along the shank itself.
>
> or
>
> The distance of the  center pin to hammer tip divided by the distance
> the center pin to knuckle contact point
>
> So again.. with either or both of these definitions.....
>
> Givens:
>
> An everyday type grand hammershank with hammer glued that has a SW of 10
>
> grams.
> A 1 gram peice of lead.
> A hammer shank ratio of 7:1
>
> Questions:
>
> -- If the lead is installed just under the tip of core does the hammer
> ratio change ?
> -- Where would you have to install the lead to insure the hammer ratio
> remains the same.
>
> grin..
>
> RicB
>
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--
Richard Brekne
RPT, N.P.T.F.
UiB, Bergen, Norway
mailto:rbrekne@broadpark.no
http://home.broadpark.no/~rbrekne/ricmain.html