[time-nuts] HP10811 Oscillator Thermal Fuse

Bob kb8tq kb8tq at n1k.org
Thu May 11 11:28:14 EDT 2017


> On May 11, 2017, at 11:22 AM, Bill Hawkins <bill.iaxs at pobox.com> wrote:
> Labs could have used a common gas heater for the crystal ovens, with a
> bit of rewiring.
> No fire hazard there - you've got a chimney. Also, flame safety is well
> developed for gas heaters.
> Would have required throttling gas flow control.

All of which would have required a OCXO designed to work that way. If you ever come across one, post pictures.


> Bill Hawkins
> Another possibility is circulating hot water.
> -----Original Message-----
> From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Bob
> kb8tq
> Sent: Thursday, May 11, 2017 6:25 AM
> Ultimately it all came to no good. The energy conservation rules simply
> took over. Shutting down everything during off hours became the way a
> lot of outfits did things. Don't turn off all your bench gear and you
> get a nasty note. I am not aware of full power being dropped during off
> hours. That tends to take out things you really do not want to shut down
> (fire sensors .). 
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