>What is considered within the range of action spread? 112mm to 115mm? Or is >this completely determined by the rep levr window size and jack >movement needed? That and having the jack about perpendicular to the shank at rest with the knuckle core aligned with the jack center pin. Wippen rail height is important too in relation to the hammer center height. Generally 2.5" difference. Regards, Jon Page -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/caut.php/attachments/20071020/6c8b55cd/attachment.html
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