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Team Associated B74 4wd buggy

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Old 08-14-2019, 10:03 AM   -   Wikipost
R/C Tech ForumsThread Wiki: Team Associated B74 4wd buggy
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Last edit by: mes
B74 Manual
New parts list
Product page
petitrc set-up page
Pistons explained

B64 carry-over parts:

- front and rear wheels
- springs
- pistons
- plastic diff gears
- shock caps
- spring cups
- arm mount inserts
- ball cups
- wing
- clamping wheel hexes
- generic hardware, tools, fluids
- ...

Fan mounts:
Revolution Design Yokomo YZ-4SF Aluminium Fan Mount RDRP0474
Schelle B74 Fan Mount and Wire Clip SCH1444 (SCH1444-COMBO with Motiv fan)
Revolution Design B74 Fan Mount RDRP0495

Aluminum options:
front shock tower RDRP0496
rear shock tower RDRP0497
rear hub set RDRP0489

Gear chart:

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Old 05-28-2020, 10:19 AM
  #901  
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I'm sure I'm missing a few things but here's what I have:

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Old 05-28-2020, 10:52 AM
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For that much, it's a good thing she looks so pretty.

I definitely won't be adding up any of my cars in the near future.
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Old 05-28-2020, 10:56 AM
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Can't race at the moment so all the frustration is going into building, tweaking my gear. Sure a lot of us are in that mode these past few weeks.

Krio likes this.
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Old 05-31-2020, 06:05 PM
  #904  
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Who makes the graphite side rails?
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Old 05-31-2020, 06:30 PM
  #905  
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Originally Posted by Mfox
Who makes the graphite side rails?
WallieBuilds or RUDDOG.
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Old 05-31-2020, 06:30 PM
  #906  
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RD?
Where did you purchase?
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Old 06-02-2020, 06:34 PM
  #907  
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Originally Posted by Alexv2024
The original dcvs came with the long axles, and wherever tech uses a box to check width they were having issues so the new axles are shorter. If tech uses a thin gauge then theres no issue. As an axle being wide doesnt actually give an advantage....
Yep and that's fine. The only issue I'm having with the shorter axles is I have to run low profile wheel nuts and I already had some issues taking one off and nearly stripping it (externally).
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Old 06-02-2020, 08:31 PM
  #908  
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Originally Posted by dr_hfuhuhurr
I'm sure I'm missing a few things but here's what I have:
you forgot different pinions , lipo battery and the most important thing tires.
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Old 06-04-2020, 06:58 PM
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Sorry if this has been covered already. I am just finishing the build and it seems like the battery jiggles around a bit after setting it up. I saw the neat strap alternative. Is it supposed to move around a little?
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Old 06-04-2020, 07:01 PM
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Originally Posted by FanBoi
Sorry if this has been covered already. I am just finishing the build and it seems like the battery jiggles around a bit after setting it up. I saw the neat strap alternative. Is it supposed to move around a little?
If the battery can move vertically then tighten the battery posts down more. If it's side to side you're concerned about that is normal. You can put a thin piece of foam against the side guard if you wanted.
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Old 06-04-2020, 11:16 PM
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Originally Posted by trf211
If the battery can move vertically then tighten the battery posts down more. If it's side to side you're concerned about that is normal. You can put a thin piece of foam against the side guard if you wanted.
Okay, thank you that did help. I guess I was a bit confused by the spaces shown in the manual. I tightened the posts down a little more and it is moving less now. Thanks! Also, I didn't have any foam thin enough but I did cut a tiny bit of the soft side of the Velcro and stick it against the inside of the side guard and the battery sits snugly now. although it did slightly misalign the balance hole in the battery with the channel cut in to the battery strap. I don't plan to charge inside the car so is no problem for me.

Last edited by FanBoi; 06-06-2020 at 03:44 AM.
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Old 06-06-2020, 04:35 AM
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With the car sitting on the stand, the arms sitting in the most relaxed position, with tires and wheels on, under light throttle, if the wheels are straight everything feels smooth, but when I turn fully left or right it gets really chunky feeling with major vibration as if the cvd's are locking up. I may have too much steering but it is just at comfortable lock not stressed. Any ideas?
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Old 06-06-2020, 10:09 AM
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Originally Posted by FanBoi
With the car sitting on the stand, the arms sitting in the most relaxed position, with tires and wheels on, under light throttle, if the wheels are straight everything feels smooth, but when I turn fully left or right it gets really chunky feeling with major vibration as if the cvd's are locking up. I may have too much steering but it is just at comfortable lock not stressed. Any ideas?
Check how much dog bone is sitting in the outdrive at full extension. You might need to add some limiters inside the shocks.
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Old 06-07-2020, 12:16 PM
  #914  
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Not my brand but:
@FanBoi:

check out the wikipedia article about universal joints espcially about:Equation of motion.

Basically you need 2 opposing joints with the same angle to compensate for acceleration effects in the driveshafts.Hence the usage of double Joints.

Cruise
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Old 06-08-2020, 10:39 AM
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Originally Posted by dr_hfuhuhurr
I'm sure I'm missing a few things but here's what I have:
dr_hfuhuhurr,

Were did you find that shock tower protector?
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