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Stubs Super Bully!!!

I think this is going to be hard to explain? The part of the C that slides over the axle tube on the axial brand C's is solid and touches the tube all of the way around but on every other brand of C there are just four little teeth that side on the tube. So they dig in to the delrin and then the C will start to flop around on the end of the tube.

Thankfully Geo (crawler13) noticed mine was doing that at BotW when it was barely noticeable. So I was able to just swap to Axial brand C's and didn't have to replace the tubes. I am running stock plastic C'c for now. We will see how they hold up? It won't be seeing any comps for a while.
 
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The VP 8* hubs have 4 sections that touch the tube, I'd say that they make up about 1/2 the available contact area. With that said, I plan to install screws in the stock holes and add two more of my own for good measure.
 
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I had one of mine come loose on my metal tubes and was only running two screws. I think 4 will do the trick.

BTW, I like your rainbow colored sig. "thumbsup" :lol:
 
The part of the C that slides over the axle tube on the axial brand C's is solid and touches the tube all of the way around

I have a bunch of Axial brand C's here. All of them only have 4 contact points.

Thankfully Goe (crawler13)

Crap! This whole time I thought his name was Geo! I had no idea it was Goe. Kinda weird to spell it with a G instead of a J.
 
I have a bunch of Axial brand C's here. All of them only have 4 contact points.

Really, all the ones I have only have two big contact points. The whole top and the whole bottom.

Pics or your a liar!

Crap! This whole time I thought his name was Geo! I had no idea it was Goe. Kinda weird to spell it with a G instead of a J.

SORRY, but I don't know what your talking about? It clearly says Geo in my post! I feel this is a case of Internet bullying and I may need to contact a moderator.
 
They have 4 points of contact and then at the very end they have 2 half ones. Maybe thats what youre talking about?

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Holy abused Cow Mat Bat-lux!



BTW, it looks like the VP 8* hubs give more of a contact patch than the ones pictured above:
vp_8_degree_chub_RED.png
 
Yeah, it gets used LOL.

The VP ones look better as far as a contact patch. The only thing that I dont understand is why they didnt thread their holes that bot it on to the tube. That really weakens the design if youre going into Delrin.
 
The VP ones look better as far as a contact patch. The only thing that I dont understand is why they didnt thread their holes that bot it on to the tube. That really weakens the design if youre going into Delrin.

Wouldnt they be too difficult to line up properly to not cause issues with threading the screw?

Also, those bolt holes could easily be stepped up to 4mm and tapped. Do you think the delrin tube would handle that size bolt well?
 
Wouldnt they be too difficult to line up properly to not cause issues with threading the screw?

Do you mean with an AX10 axle? If so, I am not sure. I have never owned an AX10 or dealt with them much. I am assuming it wouldnt be a problem though sice my Axial C's are threaded. Its really what holds the C on well and allows you to tighten to your hearts desire.

Also, those bolt holes could easily be stepped up to 4mm and tapped. Do you think the delrin tube would handle that size bolt well?

This might be weird, but I like to start off at 3mm, then I have somewhere to run if there is an issue later on.

On my old set, the chub fit really, really loose (blems) and in addition to that, I didnt know the forces that the super would put on the C, so I only put the 2 screws in on the normal spots on the C. With the Delrin, you only really get one good shot at it. If you mess up the threads or wallow them out and its not a good thing. Since I only put the 2 screws in, it wallowed the holes out for the threads and combined with them being a sloppy fit on the tube, it made for a bad situation. I quickly figured out that putting screws in the top and bottom made it 1000x better.

I was able to use my tubes for about a year even though I screwed them up pretty good at first. They could still be used, I just needed to change and I wanted things proper now that I have them figured out.

Anyway,.... since I had to chase problems at first, I did eventually go to 4mm and that solved all my problems. I think in hindsight, I would use those brass inserts before going to 4mm. Maybe that would be a good alternative to tapping your chubs to 4mm?
 
Do you mean with an AX10 axle?
Naw, I meant on your delrin tubes....if you had the tube and hub tapped.

I quickly figured out that putting screws in the top and bottom made it 1000x better.
Ok, good. That's what I planned to do on my new tubes. BTW, my VP hubs were a nice tight fit on the new tubes....much tighter than my old metal tubes. Couple that with the 4 bolts per side and I dont think I'll have any troubles like I had before.
 
Naw, I meant on your delrin tubes....if you had the tube and hub tapped.

When I "tap" the tube, I use the chub threads and the screw to tap it. I simply drill the tube under size. This gives a much better fit as a tap will take a touch more for clearance where as a screw takes what it needs (or less).


Ok, good. That's what I planned to do on my new tubes. BTW, my VP hubs were a nice tight fit on the new tubes....much tighter than my old metal tubes. Couple that with the 4 bolts per side and I dont think I'll have any troubles like I had before.

Yeah, since I went away from the aluminum tube I have really bumped up the o.d. of the tube to being slightly oversize. Now you should be close to pressing the chub on. This should really help things.
 
I did a bunch of tuning on the super today with the new adjustable upper link mounts. It is amazing how big of a difference they can make. The main issue I was having with this chassis is on a side hill the upper front tire would lift. If I didn't catch it in time it would roll over. I didn't run into it being a problem at BotW. Mainly just free crawling. And I have not really been around any other supers so I am not sure if this is common. I know my Super Jucie did it worse. I moved my upper rear links to the lowest hole on the mount at the axle and that helped considerablely. So then I rotated the mount back and it helped even more. I have the front links in the top hole and the axle.

It feels much more planted now but when it does flop like that it does it really fast. There is no time to react.

B74D3700-FD47-44B8-AEBE-9C48C909B657-33113-000008F3F8745648.jpg


8E6D2136-CBE0-4074-BB64-8B74508FD0A8-33113-000008F4036DDFAE.jpg


613B73EA-6A0F-4E2F-9B0F-FC63BB220EE3-33113-000008F440A03BB2.jpg
 
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