Posted by Bob M on February 09, 2018 at 19:00:11 from (172.101.140.249):
In Reply to: OT-snow blower light posted by ckain(mi) on February 09, 2018 at 17:04:57:
My blower (older Craftsman, 8HP Tecumseh engine) has a flywheel alternator for the headlight. Under load it produces a nominal 12 volts AC at governed RPM.
The headlight is a standard #4411, 30 watt tractor sealbeam. It produces more than enough light for snowblowing.
Could yours have the wrong lamp installed? Somewhat counterintuitively, with a flywheel alternator a higher than spec wattage lamp will burn DIMMER.
I'd be leery of using an LED lamp. Most LED's do not tolerate AC. Further, the flywheel alternator output is unregulated. Open circuit it can exceed 30 VAC which may fry an LED lamp.
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