This is a multi-part message in MIME format. ---------------------- multipart/alternative attachment Why do you put a washer on top of the up-side-down lock nut that goes on = the backside of the plate - assuming of course that the nut has enough = horizontal surface area to mate with the plate (and not want to fall = through the hole)? I would just be afraid of a potential rattle/buzz if = one of the assemblies got a little loose (I realize that none should = be). I just haven't found that to be needed. I do put a washer on the = top though - but mostly to protect the plate finish while tightening the = acorn nut on top. 5/16-inch hole gives me a nice very snug fit. Terry Farrell All this talk of screw sources has had me browsing some of these = sites. Very cool. I've always tried to maintain an organized supply of = various screw types and sizes which has been a huge asset. But it is not = always easy to get big boxes of the sizes you want any more. Most places = only sell the little 15 piece plastic packages (very expensive way to = buy screws). Anyway, I have been wanting to do the plate suspension trick for = adjusting downbearing. Del spoke of it at the recent Indy conference. = This involves threading socket cap screws (headless bolts with recessed = allen socket) into the inner rim, running down a lock nut upside down = with a washer on top (a sufficient clearance well counterbored into the = soundboard), the plate lowered onto the washer, a chrome washer and = acorn nut on top. The height of the plate can then be easily raised or = lowered by removing the acorn nut and turning the stud with and allen = wrench.=20 Attached is what I ordered. I got the hanger screws just for fun. If = the machine thread doesn't work well, which Del said it would thread = right into the wood, I can always fall back on the hanger screws with = their lag thread.=20 Does anyone have a recommended hole size to drill the rim for the 3/8" = machine thread to screw into? Blessings, Dean ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/12/0f/c8/15/attachment.htm ---------------------- multipart/alternative attachment--
This PTG archive page provided courtesy of Moy Piano Service, LLC