Re: (meteorobs) Observing on July 13/14

• To: meteorobs@latradedot com
• Subject: Re: (meteorobs) Observing on July 13/14
• From: Lew Gramer <dedalus>
• Date: Tue, 16 Jul 96 18:45:36 -0400
• In-Reply-To: Your message of "Sun, 14 Jul 96 10:28:01 EDT." <960714102800_237369800@emout08.mail.aoldot com>
• Reply-To: meteorobs@latradedot com
• Sender: owner-meteorobs

>To give an example of RPM fluctuations...at the beginning of my watch the RPM 
>was 2600 determined by the stroboscope...then around 2 am it was at 1400...then 
>at quitting time it was back up to 2500.

Just a quick question for George: what would you say the source of those big 
variations in rpm for your shutter was, George? Changes in humidity, or some 
uncorrected voltage changes from your power source, or what? We've been testing 
with that little tape-recorder motor I mentioned, and haven't seen anything like 
that kind of variation, but then I haven't dragged the thing out into the dew...

Lew

• (meteorobs) Observing on July 13/14
• From: GeoZay@aoldot com

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