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Old 09-13-2017, 07:23 PM   #1
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Default Anyone else hate the driveshafts?

I love just about everything on my trx4, but hate the drive shafts... I cannot seem to get them not to bind. I realize that the splines seem to need to be in the correct groove, however after spending an hour trying to find that specific groove I'm about to just use some axial wb8's...

Anyone else struggle like myself?
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Old 09-14-2017, 03:25 AM   #2
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Default Re: Anyone else hate the driveshafts?

Mine were pretty stiff feeling for newish driveshafts. I put a MIP in the back and it was so much smoother. My WB HDs are excellent in comparison.
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Old 09-14-2017, 04:46 AM   #3
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Default Re: Anyone else hate the driveshafts?

The tolerance of the stock shafts are junk, way too tight. They move fine when absolutely brand new, but once any particulate of dirt gets in them they start to gall against each other and seize.

I myself, am waiting for official release of MIP driveshafts, a set should be cheaper then piecing one together in their build a driveshaft line.
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Old 09-14-2017, 05:06 AM   #4
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Default Re: Anyone else hate the driveshafts?

Yeah racing had some:
http://www.rcmart.com/stainless-stee...h=595_739_1966

But no clue how they are fit or perform, just a option.

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Old 09-14-2017, 05:29 AM   #5
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Default Re: Anyone else hate the driveshafts?

Yeah.. I have seen those and others.. but I am kind of a mip snob so am afraid to buy any thing but mip ;)
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Old 09-14-2017, 06:22 AM   #6
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Default Re: Anyone else hate the driveshafts?

I guess I'm kinda in a hard spot... I usually replace my axial stuff with traxxas maxx shafts. I don't really like MIP's I never had a set that fit nice and remained quite, and didn't have slop. Only trucks I run them on anymore is Clod race trucks. The maxx shafts are too big in diameter for the trx-4.
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Old 09-15-2017, 05:21 PM   #7
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Default Re: Anyone else hate the driveshafts?

I noticed mine had a bit of rub on the motor/tranny plate, I pulled the set screw and spun the shaft on the tranny output 180 degrees and it cleared. The clearance to the plastic near the driveshafts is way tighter than it needs to be.

I have a feeling what I observed may be different than what you guys are seeing though.

Aside from that they seem tough enough but time will tell.
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Old 09-15-2017, 10:59 PM   #8
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Default Re: Anyone else hate the driveshafts?

I agree, not only do they bind, but they’re fragile. I figured out a fix to strengthen them, but I can’t wait for a better option.
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Old 09-15-2017, 11:05 PM   #9
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Default Re: Anyone else hate the driveshafts?

Quote:
Originally Posted by HumboldtEF View Post
I noticed mine had a bit of rub on the motor/tranny plate, I pulled the set screw and spun the shaft on the tranny output 180 degrees and it cleared. The clearance to the plastic near the driveshafts is way tighter than it needs to be.

I have a feeling what I observed may be different than what you guys are seeing though.

Aside from that they seem tough enough but time will tell.
X2, pulled everything apart to lube and found front tranny output rubbing on the tranny case, so much that the plastic sleeve on driveshaft is all scuffed up and so is outside of trans case! I knew it was rubbing from the wear marks, but didn't know it was this bad. Still have trans apart and may Dremel the outside of case a tiny bit next to front driveshaft. There was a lot drag in the front driveline due to this!

And yes, they seem strong enough on 3S brushed.
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Old 09-16-2017, 09:55 AM   #10
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Default Re: Anyone else hate the driveshafts?

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Originally Posted by RCPics Jeff View Post
I agree, not only do they bind, but they’re fragile. I figured out a fix to strengthen them, but I can’t wait for a better option.
I've found mine have held up well (although they are binding pretty bad). One thing that likely helps is I do most of my driving with the diffs open, so it reduces the binding forces when the truck is in a tight squeeze (like a trench).
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Old 09-16-2017, 06:57 PM   #11
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Default Re: Anyone else hate the driveshafts?

I'm not having any failure issues with them, however the binding frustrates me... Hampers suspension cycling to a point, and all the added stress on the drive line (joints/outputs/pinion) can't be a positive.

I just threw on wb8 HD off of a bomber I run maxx shafts on ironically..... happy I did
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Old 09-20-2017, 08:06 PM   #12
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Default Re: Anyone else hate the driveshafts?

Speak of the devil! MIP just listed their TRX-4 products today!
MIP HD Driveline™ Kit, Traxxas TRX-4 Defender, #17110

I ordered a set of their drive shafts and will report back on how they turn out.
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Old 09-20-2017, 11:29 PM   #13
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Default Re: Anyone else hate the driveshafts?

Damn, I just installed new GPM drive shafts last week.
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Old 09-21-2017, 09:02 AM   #14
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Default Re: Anyone else hate the driveshafts?

Hmmmm... that is tempting. Maybe I should give MIP's a 10th try!
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Old 09-21-2017, 10:07 AM   #15
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Default Re: Anyone else hate the driveshafts?

Quote:
Originally Posted by AggressorBLUE View Post
Speak of the devil! MIP just listed their TRX-4 products today!
MIP HD Driveline™ Kit, Traxxas TRX-4 Defender, #17110

I ordered a set of their drive shafts and will report back on how they turn out.
Nice to see the offering, but hope they are not giant (with loose sloppy splines) like most MIP shafts, compared to scale of the truck. As Bilinvic stated, the Junfac shafts are steel and very scale size.
Universal Shaft : JunFac.com
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Old 09-21-2017, 05:28 PM   #16
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Default Re: Anyone else hate the driveshafts?

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Originally Posted by Natedog View Post
Nice to see the offering, but hope they are not giant (with loose sloppy splines) like most MIP shafts, compared to scale of the truck. As Bilinvic stated, the Junfac shafts are steel and very scale size.
Universal Shaft : JunFac.com
Based on the photos, they look comparable to the stock shafts, perhaps a touch larger.



They do call out that they're slimmer than the X-duty drives, but also not perfect scale:
"Our new Scale-ish™ MIP HD Driveline™ features scale looks and light-weight construction, compared to our MIP X-Duty™ Drives; nearly 30% lighter and 25% slimmer"

I found a healthy coating of red'n'tacky helps take a lot of the slop (or at least the rattles/vibration) out of their loose tolerance on my ascender MIP shafts. I think it's a fair trade off, as tighter tolerance means it's (in theory) easy to jam them up.

I'll post photos and feedback when they come in.
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Old 09-21-2017, 06:24 PM   #17
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Default Re: Anyone else hate the driveshafts?

Ordered a set... hoping that they inproved the slop a bit
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Old 09-25-2017, 05:21 PM   #18
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Default Re: Anyone else hate the driveshafts?

Mine arrived today, and I'd say I'm very pleased with them!

There's very little play in the splines "dry", and zero when I covered them in red'n'tacky.

And they are appreciabely smaller than the MIPs on my Ascender:




And they are comparable to the stock shafts in terms of size:





I won't get a chance to run them till this weekend, but already they seem way ahead of the stock shafts. I could barely get the rear stock shaft off, it was seized too much. IMO, this is a must-do mod on the TRX-4.
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Old 09-25-2017, 08:02 PM   #19
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Default Re: Anyone else hate the driveshafts?

Wow the look really good. Keep us updates on how these mip's are. I just might have to get a set one day.
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Old 09-27-2017, 03:26 AM   #20
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Default Re: Anyone else hate the driveshafts?

Quote:
Originally Posted by clm View Post
Yeah.. I have seen those and others.. but I am kind of a mip snob so am afraid to buy any thing but mip ;)
I have RC4WD super-scale driveshafts on my SCX10 II, and they've given me no problems.





Granted, my SCX10 weighs about 900g less than my TRX-4.

Last edited by fyrstormer; 09-27-2017 at 03:30 AM.
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