[pianotech] PIn Block Question

[Terry Farrell]

Ditto. First though, check glue joints between the original block and  
adjacent structural components (case, backposts, etc.).

Terry Farrell

On Apr 12, 2010, at 1:22 PM, Ron Nossaman wrote:

>
>> Hi,
>> I am ready to try a pin block replacement on a ~1930's  Haddorf  
>> (Krakauer) 48" upright. The existing pinblock has three different   
>> pin lengths- 2.25", 2.5" & 3".  2/0 & 4/0 diameters as well as some  
>> metal pin bushings. The block is 3/4" 3 ply maple plywood  
>> overlaying a solid piece of 2" thick maple. I can pull some of the  
>> pins out with my fingers!
>> The plan: rout the existing block to receive a new laminated maple  
>> pin block. Schaff lists three different thicknesses- 1.25, 1.375,  
>> and 1.5 inches. What thickness would be best? Chip Tuthill
>
> I'd probably go with 1-1/4" block and a 2-3/8" pin, rout out areas  
> of the original block 1-1/4"+ deep and inlay the new flush with  
> plenty of thickened epoxy.
> Ron N