I read a thread regarding this capacitor & Tekin RSX. I looked it up & read the description. Sounds good, but has/does anyone use it? Somebody who doesn't have anything to gain off the sales of this thing

Does it do work as advertised?

It is just another capacitor......

These capacitors do not add a value to the performance, they just save the ESC from damaging signals.

So, not worth it?

If you are sensitive for such a selling story about better performance, more boost etc then go ahead. If you just want a right capacitor gat a the right one at the local radiashack.

But yes, low resistance capacitorsis better. More smaller size low resistance capacitors parallel do lower the total resistance compared with 1 big one.

The caps job is to keep the ESC cool. The standard cap that comes with the RSX is more than sufficient.

Contrary to popular belief, caps do not increase speed.