pinblock drills and drift

[jolly roger]

HI John,
              You got it right,  trust Andre to have a no brainer solution.
 So simple as usual.
Now I thought you were sleeping through that part.
Regards Roger.



At 07:22 AM 6/20/01 -0300, you wrote:
>Hi,
>I was at a class, recently, where Andre Bolduc, replaced a pinblock in
>a Steinway. He did it in 3 hrs, and it included drilling the tuning pin
>holes.
>Previously, I had just used a centre punch, and dimpled the location
>for the drilling of the pinblock holes. He said use drill bit that just
>fits in the plate hole, and just start it, and remove. Then when you
>remove the block, to drill at the drill press with the proper size bit
>for the pins, there is no wandering, as the V dimple fits the profile
>of the drill tip.
>I think I got his explanation right, and I hope it would solve the
>problem of keeping the drill at the exact position you want it.
>Regards,
>John M. Ross
>Windsor, Nova Scotia, Canada
>piano.tech@ns.sympatico.ca
>----- Original Message -----