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Total 13 documents matching your query.

1. RE: MGB Dashboard lights (score: 1): Author: "Feldman, Jack (Jack)" <jack@lucent.com>; Date: Thu, 20 Nov 1997 08:05:43 -0600; Your message implies that you have turned to the rheostat to the full 14.4 volts without burning out the light bulbs. Can they really take the over voltage, or will they burn out immediately if one; /html/mgs/1997-11/msg01314.html (7,506 bytes)
2. Re: MGB Dashboard lights (score: 1): Author: mgbob@juno.com (ROBERT G. HOWARD); Date: Thu, 20 Nov 1997 19:46:59 EST; They won't burn out immediately, if that's a concern; at least they didn't when I turned them on. They seem to be able to take the overvoltage long enough for you to realise that you don't want them; /html/mgs/1997-11/msg01352.html (8,267 bytes)
3. RE: MGB Dashboard lights (score: 1): Author: "Feldman, Jack (Jack)" <jack@lucent.com>; Date: Fri, 21 Nov 1997 07:06:23 -0600; Thanks for the information. Unfortunately the B went to bed for the winter last night. The C is still out, but as a 69, it only has a switch. Even that is possible. What I was thinking of doing was; /html/mgs/1997-11/msg01374.html (9,575 bytes)
4. Re: MGB Dashboard lights (score: 1): Author: Paul Hunt <paul.hunt1@virgin.net>; Date: Fri, 21 Nov 1997 18:59:22 +0000; What (or should that be 'watt') is the wattage of these bulbs? In my experience the rheostats burn out at a point just before maximum brightness. Although the resitive track in the rheostat is at its; /html/mgs/1997-11/msg01402.html (9,061 bytes)
5. Re: MGB Dashboard lights (score: 1): Author: mgbob@juno.com (ROBERT G. HOWARD); Date: Fri, 21 Nov 1997 19:46:39 EST; These bulbs are rated 200 mA at 7.5 volts. _ If _ W = A * V, then W = 1.5A when .2A * 7.5V The 12v bulbs I removed had markings of 2.2 and 3.0 W. IF my formula for W = AV is correct, then there isn't; /html/mgs/1997-11/msg01429.html (9,938 bytes)
6. Re: MGB Dashboard lights (score: 1): Author: Ross MacPherson <arm@unix.infoserve.net>; Date: Fri, 21 Nov 1997 19:14:49 -0800; Bob's on the right track here but if you carry Ohm's law a little further you'll find that the power consumption is doubled but the life of the lamps will be reduced exponentially. If any one wants a; /html/mgs/1997-11/msg01435.html (9,141 bytes)
7. Re: MGB Dashboard lights (score: 1): Author: JustBrits@aol.com; Date: Sat, 22 Nov 1997 11:34:43 -0500 (EST); << ubj: Re: MGB Dashboard lights Date: 97-11-21 22:00:41 EST From: mgbob@juno.com (ROBERT G. HOWARD) Sender: owner-mgs@autox.team.net Reply-to: mgbob@juno.com (ROBERT G. HOWARD) To: paul.hunt1@virgin; /html/mgs/1997-11/msg01453.html (8,300 bytes)
8. Re: MGB Dashboard lights (score: 1): Author: mgbob@juno.com (ROBERT G. HOWARD); Date: Sat, 22 Nov 1997 16:28:25 EST; Hi Ross, Would your Zener Diode idea serve to replace that line voltage stabiliser that's supposed to ensure reliable and accurate reports by the fuel gauge? I ask, because the gauge reads about 3/8; /html/mgs/1997-11/msg01464.html (10,180 bytes)
9. Re: MGB Dashboard lights (score: 1): Author: Ross MacPherson <arm@unix.infoserve.net>; Date: Sat, 22 Nov 1997 14:48:05 -0800; Hi Bob, I don't have any reference material at hand right now but I don't know if a zener is available for exactly 10 volts. Besides, as I understand it the voltage stabiliser is supposed to provide; /html/mgs/1997-11/msg01467.html (9,471 bytes)
10. Re: MGB Dashboard lights (score: 1): Author: Bud Krueger <bkrueger@ici.net>; Date: Sat, 22 Nov 1997 20:36:10 -0500; I hate to burst your bubble, but the zener application for the lamps will not avoid the use of the voltage-dropping resistor. The difference between the car's operating voltage, i.e., about 13 volts; /html/mgs/1997-11/msg01473.html (11,252 bytes)
11. Re: MGB Dashboard lights (score: 1): Author: mgbob@juno.com (ROBERT G. HOWARD); Date: Sat, 22 Nov 1997 20:49:41 EST; Hi Ross, Thanks for your thoughts on this. After I sent my question about the voltage stabiliser, I came across a "Tech American-your electronics resource" catalog. They have two pages full of Zener; /html/mgs/1997-11/msg01474.html (10,160 bytes)
12. Re: MGB Dashboard lights (score: 1): Author: Paul Hunt <paul.hunt1@virgin.net>; Date: Sun, 23 Nov 1997 15:45:40 +0000; Standard bulbs are marked 2.2W at 12v, this gives 183mA. But these other bulbs are rated 200mA at 7.5v, so at a nominal 12v they will draw about 320mA i.e. some 75% more current. Admittedly there may; /html/mgs/1997-11/msg01494.html (8,345 bytes)
13. Re: MGB Dashboard lights (score: 1): Author: Ross MacPherson <arm@unix.infoserve.net>; Date: Sun, 23 Nov 1997 08:49:05 -0800; Hi Bud. It's been a while since I had anything to do with zeners and I do understand the point you make. That being said however I believe the goal was to clamp the voltage at a maximum predetermined; /html/mgs/1997-11/msg01495.html (8,718 bytes)

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