Posted by Bob M on October 16, 2009 at 08:06:45 from (151.190.254.108):
In Reply to: 12v generator low rpm posted by JerryK on October 15, 2009 at 20:28:14:
No generator-equipped tractor I’ve ever run (includes Deere, MM, IHC, Farmall, A-C, etc) will charge at low idle. Even “modern” generator-equipped tractors like the Oliver 1600 and JD 3020/4020 tractors show a discharge at idle. It’s just the nature of generators – they simply do not generate current at low RPM’s
Low idle charging CAN be achieved by increasing the generator to crankshaft drive ratio (larger crank pulley and/or smaller gen pulley) to spin it faster. But you now cause increased wear on the generator (shortened life). You also risk overspeeding and “birdnesting” the generator innards at governed RPM.
Only an alternator can charge at low idle RPMs. Or if you insist on the original look - and have lotsa cash - get yourself a Genernator (http://www.gener-nator.com)
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