| Author | Message | ||
     V74 |
was just thinking,why is the rotor steel???do,s it have to be steel because it increases the magnetic affect of the magnets,as no electric currant runs through it why not make it of something lighter but just as stiff,i know it must not deform at high revs so as to keep the proper gap between the magnets and the stator but why cant it be made of plastic or even carbon fiber????????a decrease in reciprocating mass is a good thing for any engine | ||
| Buell_bert |
I know laminated STEEL frames for the windings on a transformer magnify and focus the magnetic flux thus increasing the output vs input. That would increase the efficiency. | ||
| Blake |
The alternator rotor is subject to a very severe environment. 1. 7,500+ RPM 2. Rapid Angular Accelerations 3. High Temperature Plastic would not come close to providing adequate structural integrity. Carbon fiber reinforced plastic might, but the temperature issue is still problematic. I'm not sure the flywheel effect isn't beneficial at that point in the drivetrain, at least for a durable street bike. Racers remove the thing or install a much smaller version. Not sure that would be wise for street use. | ||
| V74 |
thanks to you both,just came to me seeing a pic on here of the rotor/sprocket why do,s it have to be heavy steel,got me thinking,badweb do,s that to me alot lol,,, |
