<html> <font size=3>At 11:09 AM 09/11/2000 -0500, you wrote:<br> <blockquote type=cite cite>Anyone have a favourite method to calibrate wippen assist springs, ie: make<br> nice, tidy, intuitive bends?<br> <br> Mark Cramer<br> Brandon University</blockquote><br> Before you install them, weaken the spring at the coil so it just supports the wippen<br> Minute alterations can be made once installed.<br> <br> I also remove the dog-leg from the butterfly spring and rough-in tension. I ground an old pair<br> of Iineman pliers to a mating curve creating wire bending pliers. This removed the dog-leg and<br> makes a nice curve. Otherwise when you weaken the spring, the contact point is on the backside<br> of the teflon nut; this places it on the frontside - further away from the coil.<br> <br> I plan on getting a force gauge to measure a regulated set of rep levers and flanges to ascertain<br> their graduated tensions across the keyboard so the process can be speeded up prior to installation.<br> <br> I also modify the spring and install a #3 fillister head machine screw to made them more easily adjustable.<br> <br> Regards,<br> <br> <br> </font><br> <div>Jon Page,   piano technician</div> <div>Harwich Port, Cape Cod, Mass.</div> <div><a href="mailto:jonpage@mediaone.net" EUDORA=AUTOURL>mailto:jonpage@mediaone.net</a></div> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ </html>