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- Newsgroups: rec.models.rc
- From: bob@harrier.demon.co.uk (Bob day)
- Path: sparky!uunet!pipex!demon!harrier.demon.co.uk!bob
- Subject: Re: tachometers
- Distribution: world
- References: <C1E7t9.G82@usenet.ucs.indiana.edu>
- Organization: Harrier Softnet Ltd
- Reply-To: bob@harrier.demon.co.uk
- X-Mailer: Simple NEWS 1.90 (ka9q DIS 1.19)
- Lines: 34
- Date: Mon, 25 Jan 1993 20:22:04 +0000
- Message-ID: <727993324snz@harrier.demon.co.uk>
- Sender: usenet@demon.co.uk
-
- >Hmmm
- >
- >I think this is backwards. The filament of an incandescent lamp
- >doesn't have enough time to cool down enough between cycles, so
- >it should glow steadily. A fluorescent lamp, however, relies on
- >the flow of electrons through a mercury vapor through the tube,
- >and this can respond faster to the cycles of AC.
- >
- >Whether they flash 60x per second or 120x per second I don't know.
- >
-
-
- Ok the proof of the pudding is in the amount of brandy poured it at
- mixing time......
-
- Ok I pointed my (tacho) at a filament lamp and it reads 3000 on 2 blade.
-
- I then went out to the kitchen and did something I've never done before,
- pointed it a a flourescent light, it read 30000, that means that the
- flourescant is flashing at 10 TIMES THE RATE OF AN INCANDESCANT BULB. I
- KNEW there was some magic going on in there...--
-
-
- Only joking it read 3000. I guess that makes it an honorable draw....:-)
-
- cheers
-
- bob
-
- Harrier Softnet Ltd tel +44-734-731181 I'd rather be playing
- Ivanhoe Rd fax +44-734-734546 with my chopper
- Finchampstead email bob@harrier.demon.co.uk O / __________
- Berkshire -|-<> /\======O
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