plastic vs metal washers

[MasterCole]

Do the plastic or the metal washers get rid of more friction?

[Ethan_W]

The plastic teflon washers reduce more friction than a metal washer.

[_SPR_JP]

The plastic teflon washers reduce more friction than a metal washer.

Yes, that is teflon’s main selling point, i.e. Teflon Coated pans, etc. For very minute spacing on joints I find the metal ones better due to their thinness.

[kypyro]

From this thread in November:

https://vexforum.com/t/speed-up-our-base-tips/43984/1

No common engineering materials have less friction than teflon.

Here are the coefficients of dynamic friction for each of the indicated materials running against dry steel or aluminum:

Dry steel: .70
Greasy steel: .23
Nylon: .10
PTFE: .05

in the list above, low values indicate lower friction. PTFE (teflon) is the best, but nylon is good as well.

[MasterCole]

THANK YOU, I was looking for that thread but it was so buried I couldn’t find it.

[kypyro]

Here’s what I typed in google to find it:

site:vexforum.com kypyro nylon teflon

Because I knew those things were in the post. That technique works pretty well, though sometimes you have to guess what might be in the post you’re concerned about.