Have an old theater popcorn popper and they no longer supply parts for my model. I need the coil type with 3/8 " od and 3 foot long. about
2800 watts. The old one was 220 volts but I prefer 115 volts. Dryers are too hot and 220. Any ideas would be appreciated. Dale
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Robert Swinney
Check with an electrical parts outlet place, motor repair shop, etc. and ask for an appropriate length of "nichrome" wire. They should be able to help you determine the correct gauge and length for 2800 watts. You can coil the wire over the insulators in the same form as original.
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David Billington
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Robert Swinney
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prfesser
Dryers
Hi Dale:
It may be obvious but 2800 watts at 115 volts means about 25 amps; a 30 amp circuit and 10 gauge wire (or is it 8 gauge? Go with 8 ga for a margin of safety) will be necessary.
Just a thought. Best regards -- P'rfesser
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Jeff Wisnia
By "coil type" he may have meant that the nichrome wire was in the form of a close wound coil spring (like the old "hotplates" used to have.) before getting stretched slightly when fitted into or around the ceramic insulator(s).
If that's the case then he'll need to use some sort of spring winding technique.
Since the OP said he'd like to change from 220 volts to 115 volts, if he keeps the "spring OD" the same, and the number of turns the same, he'll have to use a wire diameter about 1.4 times the diameter of the present wire to get about the same wattage from the same number of turns at the lower voltage. If that doesn't leave enough room between the turns when fitted into/onto the insulator(s) he'll have to go to a slightly thinner wire with a few less turns.
That could get interesting...But it wouldn't take rocket science to calculate what's needed for a given "spring OD".
To the OP, mebbe a dishwasher element (perhaps 2) would work, easy to find at scrap yards, more often 120V.
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Richard J Kinch
This is easy to make yourself, so don't think you have to hunt around for a ready-made replacement.
Mic the resistance wire diameter. Estimate the length, look up ohms/foot for the wire diameter, confirm estimated resistance close to measurement with an ohmmeter. Buy a spool of that size resistance wire from
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and wind your own coil around a dowel. Winding coils in the typical wire gages is not difficult.
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Gerald Miller
The one I straightened out to use for bending plexi is only 800 W. Gerry :-)} London, Canada
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