Francesco
Grand Regulation In Detail - The Drop continued - part 17
34) The Drop (continued) Regulation of the drop screw was defined in the last post as being the adjustment for regulating the point of...
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Francesco
Nov 25, 20235 min read
Grand Regulation In Detail - The Drop - part 16
34) The Drop The modern grand action compared to the old type of action that was used for instance in the square grands show one great...
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Francesco
Nov 18, 20236 min read
Grand Regulation In Detail - The Let-off continued - part 15
33) Let-off (continued) For those technicians who find it difficult to set the let-off in the piano by watching the space between the top...
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Francesco
Nov 11, 20235 min read
Grand Regulation In Detail – The Let-off continued - part 14
33) Let-off (continued) Previously discussed were the regulation steps that affect the point of let-off, namely the jack alignment to the...
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Francesco
Nov 4, 20236 min read
Grand Regulation In Detail – The Hammer Blow continued - part 13
32) The Blow (continued) To wind up the discussion on blow, I want to describe some different methods that I know of to measure the...
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Francesco
Oct 28, 20235 min read
Grand Regulation In Detail - Setting The Hammer Blow - part 12
We left off talking about the two factors that create the striking point for a hammer. Assuming that the hammer glue joint is 90 degrees...
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Francesco
Oct 21, 20235 min read
Grand Regulation In Detail - part 11
32) The Blow Step no12 was adjusting the key height and leveling all 88 keys. Last month we discussed step no31, regulating the jack...
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Francesco
Oct 14, 20235 min read
Grand Regulation In Detail - Jack Adjustment - part 10
I pointed out in the past that we really do not set the jack height, as the jack is not variable in its height. Rather, we set the height...
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Francesco
Oct 7, 20235 min read
Grand Regulation In Detail – Regulation where the piano is - part 9
Whenever the subject of grand action regulating comes up, the thoughts always turn to benches, key levelers, and let-off racks. As others...
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Francesco
Sep 30, 20235 min read
Grand Regulation In Detail - Part 8
In part VII of the series on grand regulation we discussed the two methods of regulation for grands, the Dip and Blow Priority. Now that...
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Francesco
Sep 23, 20236 min read
Grand Regulation In Detail - Part 7
Last discussed in the 50-point guide to grand regulation were the two main methods to regulate. One is called the Blow Priority method,...
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Francesco
Sep 16, 20235 min read
Grand Regulation In Detail - Part 6
Section III. Alignments 29) Align jack to knuckle core In order for the power to be transmitted from the whippen to the hammershank...
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Francesco
Sep 10, 20236 min read
Grand Regulation In Detail - Part 5
Section III. Alignments 27) Align hammers to strings To facilitate this alignment procedure, install the action into the piano andmake a...
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Francesco
Sep 2, 20236 min read
Grand Regulation In Detail - Part 4
II. THE TOP ACTION (off the keyframe) - continued 22) Clean repetition spring and groove (Steinway, Yamaha, Bosendorfer). On Steinway,...
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Francesco
Aug 26, 20237 min read
Grand Regulation In Detail - Part 3
In this third part of our grand regulation guide, we will continue with discussing the Section II, The Top Action. Remember that action...
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Francesco
Aug 19, 20237 min read
Grand Regulation In Detail - Part 2
Having discussed section I, The Keys & Keyframe, last week, we will continue with section II, The Top Action. Note that those procedures...
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Francesco
Aug 12, 20239 min read
Grand Regulation In Detail - Part 1
In the last post, we discussed a 50-point checklist to be used in regulating grands. Last month we printed a grand regulation chart which...
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Francesco
Aug 5, 20235 min read
Grand Regulation - - A Checklist - Part 2
Last week we talked about a 50-point checklist and knowing what changes are taking place during action regulation. A three-question quiz...
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Francesco
Jul 30, 20235 min read
Grand Regulation - - A Checklist - Part 1
QUIZ 1) Does regulating the jack height to the balancier affect the strength of the repetition spring? 2) Does regulating the let-off...
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