[vcf-midatlantic] More facets of hard disk recovery (SA1000, RD53) and emulation

Herb Johnson hjohnson at retrotechnology.info
Wed Feb 6 15:29:10 EST 2019


David Gesswein:

Dealing with stuck head problem with Quantum Q2040 drives
http://www.pdp8online.com/q2040/q2040.shtml

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I've heard a suggestion to replace or overlay a gooey rubber-bumper in a 
drive, with a dab of DAP or similar silicon sealant. Replacing the 
bumper is ideal, but presumably overlaying the bumper with new material 
may restore some hardners and firm-up the residue. I'd worry about fumes 
from the fresh sealant contaminating the platters or heads, perhaps some 
airflow would reduce that problem. But this is all about recovery so 
there's already risks, some risks are less than others.

Herb

-- 
Herbert R. Johnson, New Jersey in the USA
http://www.retrotechnology.com OR .net


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