jjahn

iTrader: (1)

Ohhh, now thats quantifiable and objective.

Socket

iTrader: (61)

Hey good job on cutting every portion of my post that is factual out, and leaving the part with human error to make a comment on.

W.E.D.Jim

iTrader: (17)

Not much about engineering is factual in the end product. If it was they would have engineered the perfect car a long time ago and we could stop buying new ones over and over trying to find perfection.

Just sayin'

iScream

iTrader: (12)

I almost edited my post last night to say "use your knowledge of physics and math to calculate" but I think the point was made.

I'm curious how old you are and what grade you're in. Have you had an actual physics class yet?

-Chris

mrueye

iTrader: (52)

Hilarious...The video just shows how crazy we all are when comes to rc cars! I agree, EPIC and I'm sure the wife enjoyed you using the master bathroom sink as a testing area!!!!

iScream

iTrader: (12)

I get your point but there is no perfect RC car. If every track was exactly the same, with exactly the same traction level all the way around, and every driver drove exactly the same, I think an optimal chassis setup and tire compound/tread profile could be engineered without too much trouble.

But even on the same track, conditions vary on different corners or jumps. You can have huge differences in traction level and how smooth the surface is within a few feet traveled.

The interaction between a race car, RC or full size, and the track enviironment is incredibly complex. That's part of why we keep getting new cars with new adjustments and geometries. Another reason is improvements in materials and manufacturing that make the cars more durable and or easier to work on.

Skeeter36

iTrader: (32)

You all need to chill out. Give the guy some credit I don't see anyone else, myself included trying to do any testing other than wearing out tires. This guy was curious so he gave it a shot. Pretty sad how quick everyone is to jump this guys rear for no reason.

Any who, I was wondering if anyone runs ceramic diff balls and if so what do you think?

Socket

iTrader: (61)

Well said. And what works for me on a smooth clay track that has more traction than asphalt has literally no bearing on what works on an outdoor track. I just saw video of the JC super cup track, and it's like nothing we have here in AZ. So me telling people how great "XX" part performs here is really only relevant to my experiences here.

Socket

iTrader: (61)

For the thrust they're awesome. For the diff, it'll matter the application. If not set correctly, they can ruin a set of rings quickly. They need to be set tight, and the rings can not be polished. I have experience with 1 diff I built, and it worked well. I however have gone back to the carbide balls because the ceramics did not allow a range of adjustment in my experience.

Now cue iScream and several others to tell me I'm wrong...

Skeeter36

iTrader: (32)

I have actually heard that very same statement from a few bench racers at the track. So it seems like you have experience with them, even if it's not much. I built a diff with them and man it's smooth but I'm worried it's gonna blow in a couple runs. I have it set tight too.

racer1812

iTrader: (31)

I've run them before. Risk vs. reward, they're not worth it IMO. A PROPERLY broke in diff with carbide balls in the diff and ceramics in the thrust will last months.



as for all the back and forth bickering, just knock it off....sheesh

racer1812

iTrader: (31)

If it's set "tight" it's not likely to blow. Like Socket said, the issue with them is the small tuning window. That's what tends to get most people into trouble.

racer1812

iTrader: (31)

Sub-forums are an excellent idea, in THEORY! Look around, people don't put stuff where it belongs now! People can't find the right section half the time let alone a correct thread, now you want/expect them to find and use a correct sub-forum. In the perfect world were you seem to be from, great idea. Here in reality where the rest of us live, we all realize it's not.

vr6cj

iTrader: (124)

I agree, the car diff i got off u recently is still awesome shape. I rebuilt it cause thats how I am..... using same parts and its still awesome.

racer1812

iTrader: (31)