International Library of Technology · Scranton, International Textbook Co. · leaf 29
is the proper setting of them;this subject will be taken up in the article on Sparking. If the contact between the brush and the commutator isloose, the contact resistance will be high and heating willresult. On the other hand, increasing the pressure beyonda certain amount results in very little… … § 10 DYNAMOS AND MOTORS. 15 has to be much heavier on account of the jarring to whichthe motor is subjected. 14. One of the greatest weaknesses of carbon brushes isthat they, at times, stick in the holder so that the tensionspring is not strong enough to force down the brush to itsplace, and even…
Electrical engineering
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.], 1902, leaf 29](https://img.insideoutlibrary.com/img/1024/ia-electricengineer04inte-29-7.webp)
