-=> Mike Ross said to Greg Mayman
 -=> about "VEHICLE LED'S" on 09-05-03  23:00.....

 MR> {at}PID: BWMAX2 3.20 [Reg]
 MR> {at}MSGID: 1:167/133.0 3f594dd8
 MR> "Greg Mayman" bravely wrote to "Mike Ross" (05
Sep 03  08:30:00)
 MR> --- on the heady topic of "VEHICLE LED'S"
 
 -=> Mike Ross said to Wayne Chirnside
 -=> about "VEHICLE LED'S" on 09-02-03  21:36.....
 
 MR> Consider that 1mph is about 1.5ft/sec and a wheel periphery measures
 MR> about 7 ft, then 1 revolution/sec = 4.75mph, so 20mph is only about
 MR> 4.2 rps or 252 rpm. A 60 hz generator needs turn at 3600rpm! Luckily
 
 GM> What has 60Hz got to do with it? The bulbs aren't that sensitive
 GM> to frequency. They will work from DC up to megaHertz.

 MR> True the bulb doesn't care but it matters to the power generation. It
 MR> has to do with the magnetizing self-inductance.

So what is so magic about 60Hz in this application?

From Greg Mayman, in beautiful Adelaide, South Australia
   "Queen City of The South"    34:55 S  138:36 E

... How many kleptomaniacs does... HEY! Where's my lightbulb?!!
___ Blue Wave/386 v2.30

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