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Re: Be brighter, look brighter, safer too
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Posted by souNdguy on June 19, 2007 at 12:19:34 from (12.64.30.172):
In Reply to: Be brighter, look brighter, safer too posted by buickanddeere on June 19, 2007 at 10:11:36:
I think those 6v hi wattage lamps will be kind of self limiting.. At over 7a per lamp on the 45w jbs.. how many do you think the average old 6v charging system will run? My JD B would actually slowly go dead running a single lamp..good thing it's got a magneto ignition... My allis G might actually be able to keep ignition powered and 1 lamp running.. hope I don't stall.. cause there will be no battery charging power left over.. now.. for those of you with 2 headlamps.. therein becomes a problem.. IE supplying battery ignition and running 2 head lamps.. and a tail lamp? Lets go easy, and figure 3.5a ignition.. 17w rear lamp.. and 90w front lamps.. That's a hair over 21a.. That's right at the 20/25 a max level for many o fthe 40/50/60's era 6v generators. In fact.. if you were lucky to have a 25a job.. perhaps a ford 01 seies .. you would actually have about 18w left over to slooooooooooooooowly recharge the battery.. not to mention you are running the genny at 100% of it's rated duty cycle to do this... If we are talking some of the older 3rd brush 11a jobs.. well.. that's back to 1 lamp and ignition, AND 100% duty cycle. Guess the genny rebuilders will have to be working over time.. I forsee lots of solder being slung... 2 35w h-lamps.. and an intermittant use 35w rear work lamp / 17w rear red tail lamp + ignition is about all you can ask of these old electrical system.. and hope to have battery power to crank up in the morning... not to mention.. still running the genny near 100% rated output... Soundguy
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