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Classic Goldwing Technical Forums
Engine & Fuel System Modifications
Ford Grid Heater Test for Single Carb
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<blockquote data-quote="canuckxxxx" data-source="post: 148154" data-attributes="member: 2409"><p>Any resistors you add in parallel will reduce overall resistance and increases current. If you want to increase overall resistance and reduce current through the manifold heater you will have to add resistor in series that is rated for the wattage that it will have to dissipate. :nea: </p><p></p><p>For example, if the manifold heater is 1 ohm and you add a 1 ohm resistor, in series, you have a total resistance of 2 ohms so at 12 volts you will have a current of 12V/2ohm=6 amps and voltage across the resistor and the manifold heater will be 6 volts each. Wattage dissipated across the resistor will be 6V x 6A= 36 watts. Not sure if you can find a power resistor rated at 40+ watts. Might be easier to find 4 x 4 ohm resistors rated at 10 watts and connect them in parallel and then in series with the manifold.</p><p></p><p>Brian</p></blockquote><p></p>
[QUOTE="canuckxxxx, post: 148154, member: 2409"] Any resistors you add in parallel will reduce overall resistance and increases current. If you want to increase overall resistance and reduce current through the manifold heater you will have to add resistor in series that is rated for the wattage that it will have to dissipate. :nea: For example, if the manifold heater is 1 ohm and you add a 1 ohm resistor, in series, you have a total resistance of 2 ohms so at 12 volts you will have a current of 12V/2ohm=6 amps and voltage across the resistor and the manifold heater will be 6 volts each. Wattage dissipated across the resistor will be 6V x 6A= 36 watts. Not sure if you can find a power resistor rated at 40+ watts. Might be easier to find 4 x 4 ohm resistors rated at 10 watts and connect them in parallel and then in series with the manifold. Brian [/QUOTE]
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Classic Goldwing Technical Forums
Engine & Fuel System Modifications
Ford Grid Heater Test for Single Carb
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