User talk:Tappel
The gears in a planetary gear set are affected ONLY by sliding friction. The flanks of the gear teeth slide on each other and the bores slide on the pins.
Start a discussion with Tappel
Talk pages are where people discuss how to make content on Wikipedia the best that it can be. Start a new discussion to connect and collaborate with Tappel. What you say here will be public for others to see.
