[pianotech] Pin removal speed

[Ron Nossaman]

On 3/8/2011 11:24 AM, Ed Foote wrote:
> Rob sez:
>
> I have a DeWalt 10amp 1/2" drill that'll go from 0-1200 rpm in a
> heartbeat. Fast would obviously be quicker. I just want to make sure
> there aren't any unforeseen pitfalls. I figure my drill will pull each
> pin out in under 2 seconds. That's my preferred method.>>
>
> I have always tried to figure just how much trigger I needed to apply to
> get the pin to stop spinning just as it came out of the hole. With over
> 200 pins to remove, I don't want to waste 3 seconds per pin letting the
> drill stop, and I don't like to drop the spinning socket over the next
> pin, so, I want to let the pin almost stop the drill as it comes out the
> last thread or so. I always get it just right about twenty holes from
> the finish line..
> Regards,
> Ed Foote RPT

That's where a pneumatic impact tool is perfect. Gets the tightest pin 
moving easily without spinning you or the piano, zips out at high speed 
once it's moving, and stops immediately without coasting down when you 
let up on the trigger - all without heating up.

Ron N