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1. [oletrucks] Voltage reducer (score: 1): Author: Samsred72@aol.com; Date: Tue, 21 Dec 1999 16:38:40 EST; I have a question pertaining to reducing the voltage to the heater motor. I have a reducer in the line now that looks like a long cylindrical and hollow ceramic tube. It states on it... Clarostat VP-; /html/oletrucks/1999-12/msg00490.html (8,092 bytes)
2. Re: [oletrucks] Voltage reducer (score: 1): Author: Bruce Damen <little-castle-contracting@cadvision.com>; Date: Tue, 21 Dec 1999 15:44:33 -0700; well it sounds to me if you put a few more of those resisters on and have the fan blow on them you should be toastee warm... lol oletrucks is devoted to Chevy and GM trucks built between 1941 and 195; /html/oletrucks/1999-12/msg00491.html (8,589 bytes)
3. Re: [oletrucks] Voltage reducer (score: 1): Author: Bill Bailey <billb@gamewood.net>; Date: Tue, 21 Dec 1999 17:58:23 +0000; It's probably working right, hot is a very subjective term but they do get exteremely warm. Amp draw on my fresh air (a 12 V motor) was about 4 amps as I recall. That's 16 watts when drawn through a; /html/oletrucks/1999-12/msg00492.html (9,364 bytes)
4. Re: [oletrucks] Voltage reducer (score: 1): Author: Bruce Damen <little-castle-contracting@cadvision.com>; Date: Tue, 21 Dec 1999 18:53:14 -0700; so if you conected a ohm meter on the two wires on the fan would that give you your resistance. or one wire to ground of the motor casing...is that the resistance of your fan motor? not an electricia; /html/oletrucks/1999-12/msg00494.html (10,275 bytes)
5. Re: [oletrucks] Voltage reducer (score: 1): Author: "Brad Rusnak" <b_rusnak@telusplanet.net>; Date: Tue, 21 Dec 1999 19:43:17 -0700; Appears to me that the resistor is rated 50 watts going by the numbers. Even at its rating of 50 watts, the resistor would be extremely warm. Brad Rusnak b_rusnak@telusplanet.net 1949 Chev 1/2 Ton De; /html/oletrucks/1999-12/msg00499.html (10,162 bytes)
6. Re: [oletrucks] Voltage reducer (score: 1): Author: Bill Bailey <billb@gamewood.net>; Date: Tue, 21 Dec 1999 23:38:33 +0000; Not quite. DC motors can act as both motors and generators. When the motor is at rest it will draw it's maximum current and will also be at its max torque, that is the amount of torque that it takes; /html/oletrucks/1999-12/msg00501.html (11,436 bytes)
7. Re: [oletrucks] Voltage reducer (score: 1): Author: "G. Simmons" <gls@4link.net>; Date: Tue, 21 Dec 1999 22:24:10 -0800; Napa/Echlin makes neat little voltage reducers (PNVT6187) which you can wire in parallel or series, depending on the amp load you have to handle. As I recall, they're not expensive. Regards, Grant S.; /html/oletrucks/1999-12/msg00504.html (7,840 bytes)
8. RE: [oletrucks] Voltage reducer (score: 1): Author: "Hanlon, Bill" <Bill.Hanlon@COMPAQ.com>; Date: Wed, 22 Dec 1999 08:32:24 -0600; Given that this is a 12 volt system (else why have the dropping resistor) the maximum current would be 12 amps, even if the resistance provided by the motor was zero. Continuing on, Power(in Watts) =; /html/oletrucks/1999-12/msg00507.html (10,483 bytes)
9. Re: [oletrucks] Voltage reducer (score: 1): Author: "Keith" <kvdurand@mail.esc4.com>; Date: Wed, 22 Dec 1999 11:54:18 -0800; Bill knows his math. NOPE. P is the variable we are looking for I (current, is a max of 12) E (voltage, is also a max of 12) So, P=12*12 P=144 watts Or, use the equation that Bill used, P=I^2*R P=12; /html/oletrucks/1999-12/msg00512.html (8,766 bytes)
10. RE: [oletrucks] Voltage reducer (score: 1): Author: "Hanlon, Bill" <Bill.Hanlon@COMPAQ.com>; Date: Wed, 22 Dec 1999 13:23:55 -0600; Anyone out there have a tractor and chain I can borrow to pull ...... Bill knows his math. NOPE. P is the variable we are looking for I (current, is a max of 12) E (voltage, is also a max of 12) So,; /html/oletrucks/1999-12/msg00517.html (9,116 bytes)
11. Re: [oletrucks] Voltage reducer (score: 1): Author: Bill Bailey <billb@gamewood.net>; Date: Wed, 22 Dec 1999 17:38:49 +0000; Tektronix (www.tek.com) makes several. The one I use is an A622 which I borrow from work from time to time. It plugs into a standard digital mulitimeter and works quite nicely. It loses some resolut; /html/oletrucks/1999-12/msg00521.html (8,247 bytes)
12. Re: [oletrucks] Voltage reducer (score: 1): Author: "Brad Rusnak" <b_rusnak@telusplanet.net>; Date: Wed, 22 Dec 1999 22:05:56 -0700; Yes, there is a DC clip on ammeter available. I believe Hioki makes the one we use at work. Brad Rusnak b_rusnak@telusplanet.net 1949 Chev 1/2 Ton Deluxe Cab should the oletrucks is devoted to Chevy; /html/oletrucks/1999-12/msg00541.html (9,676 bytes)

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