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R/C Tech Forums Thread Wiki: Official Team Associated RC10 B5m Mid-Motor Thread
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Old 12-14-2015, 06:52 AM   #17236
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I'm thinking about building a second car specifically for turf tracks. I saw the red workshops lowrider setup, but it's rather pricey for me to do. Just curious, what are the other options out there? Or is that my best bet for this car?
Check a few pages back. I'm working on one.
I'll post more info soon.


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Old 12-14-2015, 07:05 AM   #17237
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Originally Posted by Torvald View Post
Got a B5M FL and my rear hubs plays a hole lot and the rear arms to.
It feels like the plastic washers on the hinge pin is getting worn out.
Does anybody uses aluminium washers instead of plastics?
Iīve tried to search this thread but didnīt find any solution.
You can, or get a real thin shim and add it in. you can reshim to tighten up.
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Old 12-14-2015, 07:08 AM   #17238
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Humpty just won the 17.5 class at the SDRC Topgun race and many other locals seem to be giving the "low rider" transmission a go locally. But like you said, pricey.
Don't love the 3D printing composite. Would be cool if AE came out with a kit or somebody like Jconcepts, MIP or Exotek.
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Old 12-14-2015, 07:12 AM   #17239
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Has anyone else tried running a 34t pinion (B5m CE)? It seems the pinion is very slightly too big for the gear cover and is grinding against it. If I don't screw down the lower portion of the gear cover (which is where the pinion is) it seems fine, but that's not really ideal. I suppose I could grind off a bit of the inside gear cover if I have to but I didn't think a 34 pinion would be uncommon.
What are you running for a spur gear?
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Old 12-14-2015, 07:23 AM   #17240
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Don't love the 3D printing composite. Would be cool if AE came out with a kit or somebody like Jconcepts, MIP or Exotek.
Of those....I would think MIP maybe. Because they have already made one gear box and they have made chassis in the past, as the chassis will need new holes for the mounting. I dont love the 3d printing either. If AE released one, I would pick it up to try at srs for sure.
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Old 12-14-2015, 07:26 AM   #17241
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Has anyone else tried running a 34t pinion (B5m CE)? It seems the pinion is very slightly too big for the gear cover and is grinding against it. If I don't screw down the lower portion of the gear cover (which is where the pinion is) it seems fine, but that's not really ideal. I suppose I could grind off a bit of the inside gear cover if I have to but I didn't think a 34 pinion would be uncommon.
I run 34 and 35 on my B5M (original 4 gear). While it's possible they have altered the gear cover from 4 to 3 gear, it's unlikely that area would have been touched. Have you checked for a bent motor plate? Can you move the pinion down the shaft a little more? You could shim the cover out a smidge but unless you switch over to the fuel tube mounting method, the removal of the gear cover will get annoying.
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Old 12-14-2015, 07:37 AM   #17242
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we had an SRS local show up at our track in PA and told us that this was the first time he had to actually tune his B5M. At SRS it's all about just slam the car, dope your tires and put as much power into it as possible. You could run any setup and still wheel it fast. Hearing these stories always makes me chuckle
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Old 12-14-2015, 07:44 AM   #17243
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I run 34 and 35 on my B5M (original 4 gear). While it's possible they have altered the gear cover from 4 to 3 gear, it's unlikely that area would have been touched. Have you checked for a bent motor plate? Can you move the pinion down the shaft a little more? You could shim the cover out a smidge but unless you switch over to the fuel tube mounting method, the removal of the gear cover will get annoying.
You running a 66t spur to get pinions that big to fit?

IF you're running a 69t spur with those big pinions (not even sure they'll fit) why not drop down to a 66t spur and drop pinion size to match??
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Old 12-14-2015, 10:28 AM   #17244
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You running a 66t spur to get pinions that big to fit?

IF you're running a 69t spur with those big pinions (not even sure they'll fit) why not drop down to a 66t spur and drop pinion size to match??
Nope. Just had 35/75 on there saturday. That was close to needing to move sensor wire but it was fine. Went to 34/72. For the rest of the day. Probably a sleepy batter problem and time for new batts. I have not messed with tuning the motor. It's still sealed from our region race back in june.
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Old 12-14-2015, 10:52 AM   #17245
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Don't love the 3D printing composite. Would be cool if AE came out with a kit or somebody like Jconcepts, MIP or Exotek.
3D printing isn't as bad a you think. No, it sure isn't injection molded plastic like AE kit parts. But it's a great alternative for new ideas.


I've been running a 3D printed lay down trans since July. First the original 4gear on shapeways, then the 3gear I designed. No issues with either of them.
My 3gear has been awesome the past few weeks. My son will be getting it this week for more testing.
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Old 12-14-2015, 11:31 AM   #17246
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I have no issues with running 3d printed stuff. my issue is that I can't justify spending 170 Euros for a conversion when I may run turf 3-4 times a year.
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Old 12-14-2015, 11:40 AM   #17247
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You running a 66t spur to get pinions that big to fit?

IF you're running a 69t spur with those big pinions (not even sure they'll fit) why not drop down to a 66t spur and drop pinion size to match??
34-35 pinions fit no problem with the 69 spur. I haven't had trouble with gear cover.
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Old 12-14-2015, 11:49 AM   #17248
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Joining the club and getting the B5M not the champ Ed coming very soon . I had a chance to race 2 B5M as mod motor.
And felt instantly competitive can't say the same for the Dex210V2 i been driving on clay on carpet it's great though .
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Old 12-14-2015, 11:52 AM   #17249
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Originally Posted by Bob Barry View Post
we had an SRS local show up at our track in PA and told us that this was the first time he had to actually tune his B5M. At SRS it's all about just slam the car, dope your tires and put as much power into it as possible. You could run any setup and still wheel it fast. Hearing these stories always makes me chuckle
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Old 12-14-2015, 11:54 AM   #17250
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not sure if those were shots fired. perhaps more along the lines of there are racers who aren't taking more advantage of the adjustability of their cars
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