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Author Topic: How much does feel vary with lost rivets?  (Read 921 times)

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Offline Phaedrus2129

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How much does feel vary with lost rivets?
« on: Tue, 12 October 2010, 19:46:14 »
Opened up my '88 Model M and found seven missing rivets out of fifty-some. The feel is noticeably different from my '94 M13, which has one missing rivet. The '88 is higher pitched, takes less force, and is much pongier.

How much does feel and sound change with each missing rivet?
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Daily Driver: Noppoo Choc Mini
Currently own: IBM Model M 1391401 1988,  XArmor U9 prototype
Previously owned: Ricercar SPOS, IBM M13 92G7461 1994, XArmor U9BL, XArmor U9W prototype, Cherry G80-8200LPDUS, Cherry G84-4100, Compaq MX-11800, Chicony KB-5181 (SMK Monterey), Reveal KB-7061, Cirque Wave Keyboard (ergonomic rubber domes), NMB RT101 (rubber dome), Dell AT101W

Offline rantenki

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How much does feel vary with lost rivets?
« Reply #1 on: Tue, 12 October 2010, 21:07:17 »
Quote from: Phaedrus2129;233065
Opened up my '88 Model M and found seven missing rivets out of fifty-some. The feel is noticeably different from my '94 M13, which has one missing rivet. The '88 is higher pitched, takes less force, and is much pongier.

How much does feel and sound change with each missing rivet?


Depends on which rivets; I had some broken off on the lower edge, and it made the keyboard feel "diving boardy". I bet you could lose half the middle row ones without much impact.

Of course, mine were all fine in the middle row, so I am talking out my butt.
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