brushless 1/5 4wd conversion about to begin! couple questions.

[Ryu James]

Originally Posted by brushlessboy16

you need carbon to harden steel...

You heat it up until it is red and non magnetic (going to have to check) then clench it in oil. then heat it back up and clench in water.

Using just water DOES case harden but not as well as added carbon.


See here
http://www.technologystudent.com/equip1/heat2.htm

where would i get this type of carbon?

i think i am just gonna leave this to a professional shop to do but just curious.

is the hardening process what gives it that black coating? cuz that i show my other mod1.5 gears are.