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david lamontagn
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07.27.2010, 11:28 AM

i don,t know if it is normal, but on my LST2 diffs, if i hold the diff in one hand, and with the other hand i take the pinion and try to move it up/down and left/right, i can see the outer bearing move slightly in the diff case.
   
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ZippyBasher
8th scale Stunt-Driver/Mechanic
 
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07.27.2010, 12:51 PM

Quote:
Originally Posted by david lamontagn View Post
i don,t know if it is normal, but on my LST2 diffs, if i hold the diff in one hand, and with the other hand i take the pinion and try to move it up/down and left/right, i can see the outer bearing move slightly in the diff case.
Yeah I noticed this as well. My drive cup (pinion) moves up down and sideways about 1-2mm inside my diff case. I thought I had a bad bearing, I havent torn into it or looked very closely. Its the case? Anyone else notice this? is there a easy fix? This is just asking for my ring gear to strip out.

CRASH - Maybe you could try the 8ight bevel gears. I think they seem to be made of a better metal. Just looked more clean and beefier when I compared the LST spiders next to the 8ight spiders while building a CD... Might be worth a shot.

LST- http://www.amainhobbies.com/product_...l-Gear-Set-LST

8ight - http://www.amainhobbies.com/product_...Gear-Shaft-Set


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david lamontagn
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07.27.2010, 01:16 PM

When i see this, i,ve change my bearing, but the problem still present.
   
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mistercrash
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07.27.2010, 10:14 PM

My solution for now is to put the LST to rest for a while. I have no choice, I'm completely out of diff parts. I'm going to think about those aluminum cups and also the 8ightT gears. Although the 8ightT gears look identical to the LST but that's just from crappy pics on A Main.
The MMM is back in the ERBE for now, I'll be running that until I make a decision about this LST. I'll tell you one thing, that ERBE better break more often than the LST did or else I'll go back to being a Traxxas boy.


No brain, no headaches.

Last edited by mistercrash; 07.27.2010 at 10:16 PM.
   
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_paralyzed_
working on a brushless for my wheelchair.....
 
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07.27.2010, 10:34 PM

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Originally Posted by mistercrash View Post
I'll tell you one thing, that ERBE better break more often than the LST did or else I'll go back to being a Traxxas boy.
Heavier trucks are just harder on stuff. I've been eyeing up that Losi Ten-T like it was Lincpimp in a dress on roofies. Yeah, I want it that bad.

I think tenth scale(revo) and Losi are the way to go. Perfect balance of size/weight/chassis room/stout drivetrain.... I'm rambling.

The whole point to this thread is that we need your silly french behind here at RCM. PLEASE do not become a traxxas fan boy again


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mistercrash
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07.28.2010, 11:34 AM

We went out and ran our trucks this morning. It seems to have become a daily occurrence for us, kind of part of our daily routine I forgot how nimble and fast that E-Revo was, even running on 4S. I gotta give it that, it's fast, corners really well, jumps nice and leveled, tracks straight on hard accelerations. I don't know of another MT suspension that works as well. It's a racer, so it's also a bit fragile for the kind of bashing I do. From the sound I heard at the end of the first lipo set, I am pretty sure that I stripped the rear pinion and ring gear. Sheesh! I should change my name to diffkiller.

There's one thing I noticed when I was swapping stuff from the LST to the ERBE. One of the rear wheels has the hex rounded a bit. Not enough to keep from securing the wheel but enough for the hex to spin inside the wheel when gunning the throttle. This might explain why my LST wouldn't track straight under hard accelerations and maybe why I have been blowing rear diffs so often.


No brain, no headaches.
   
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