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R/C Tech Forums Thread Wiki: Official Team Associated RC10 B5m Mid-Motor Thread
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Old 08-14-2015, 06:05 PM   #15091
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My epa settings are always within a couple from left to right. Go through the manual and double check everything. Set everything epa and sub trims to 0 then install the horn per the manual.
Hmm, I dont know. some servos mine are and other servos they are not. My xpert servo is pretty close. But my hitek and savox servos are further off. And, yes I always zero out the settings. Use sub trims to get the horn in the right position, then set my epa


I just checked, mine is 114/102 with the hitec servo
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Old 08-14-2015, 07:35 PM   #15092
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What about the D/R settings? Maybe that has been messed with? Just a shot. My servo did that and I put everything at zero and turned my D/R up because it was lower then half
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Old 08-14-2015, 11:29 PM   #15093
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Maybe mount the front wing a little lower .
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Old 08-15-2015, 07:41 AM   #15094
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Everything was set to zero like normal when I installed the horn. The transmitter is MT 4S and a savox servo. I redid the steering last night and made sure it was right. I took off the horn and connected a battery to the esc to ensure it was centered, checked turnbuckle lengths and set them back to book stock and then connected the horn and found the same problem. The only was I could fix it was set the steering trim to almost 50 to the left. So I hope this fixes it. Wildcat1971 yes I am close to you and do race at SRS sometimes, but I mainly race in Prescott for the time being but will be going back to SRS a lot more.
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Old 08-15-2015, 12:12 PM   #15095
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Everything was set to zero like normal when I installed the horn. The transmitter is MT 4S and a savox servo. I redid the steering last night and made sure it was right. I took off the horn and connected a battery to the esc to ensure it was centered, checked turnbuckle lengths and set them back to book stock and then connected the horn and found the same problem. The only was I could fix it was set the steering trim to almost 50 to the left. So I hope this fixes it. Wildcat1971 yes I am close to you and do race at SRS sometimes, but I mainly race in Prescott for the time being but will be going back to SRS a lot more.
You need to run a longer servo horn turnbuckle. The stock length one that comes with the kit doesn't work for all servos.

With my Futaba BLS351, The horn can't go straight up and down. It can either go slightly off to the left, or slightly off to the right, with the servo subtrim set to 0. Each position gives me an issue.... I have to set my sub trim to 40ish left or right (depending on which spline I chose), I end up with an EPA of something like 120 one way, and 100 the other. The problem is that 120 side, I am not getting full throw where I want. The other direction is fine.

The fix, is I needed a servo horn turn buckle that was a couple MM longer. I then chose the spline more off to the passenger side, and now I get full throw, sub trim is about 10, and I get full throw left and right.
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Old 08-15-2015, 03:27 PM   #15096
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What is a good fan that pushes a good amount of air that I can solder to the battery plug for my car? I was looking at hobbypartz but they seem like they aren't that good of quality. I want something that is going to push a good amount of air for the motor so I can gear up a tooth or 2. Last time I had it at 72/29 and the motor was coming off at 175 and that's way to hot for my comfort. Now that I am geared 69/30 the temps are around 135-140. It has been around 100-109 here and want to help the motor keep cooler
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Old 08-15-2015, 03:30 PM   #15097
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What is a good fan that pushes a good amount of air that I can solder to the battery plug for my car? I was looking at hobbypartz but they seem like they aren't that good of quality. I want something that is going to push a good amount of air for the motor so I can gear up a tooth or 2. Last time I had it at 72/29 and the motor was coming off at 175 and that's way to hot for my comfort. Now that I am geared 69/30 the temps are around 135-140. It has been around 100-109 here and want to help the motor keep cooler
You sure it wasn't hotter with 69/30 vs. the 72/29?
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Old 08-15-2015, 03:40 PM   #15098
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You need to run a longer servo horn turnbuckle. The stock length one that comes with the kit doesn't work for all servos.

With my Futaba BLS351, The horn can't go straight up and down. It can either go slightly off to the left, or slightly off to the right, with the servo subtrim set to 0. Each position gives me an issue.... I have to set my sub trim to 40ish left or right (depending on which spline I chose), I end up with an EPA of something like 120 one way, and 100 the other. The problem is that 120 side, I am not getting full throw where I want. The other direction is fine.

The fix, is I needed a servo horn turn buckle that was a couple MM longer. I then chose the spline more off to the passenger side, and now I get full throw, sub trim is about 10, and I get full throw left and right.
... my buddy runs all Futaba gear. No issues with that servo in his B5m with either his 4pk or 4PX.

Are you saying you made a custom link? The stock one is one piece....again
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Old 08-15-2015, 03:46 PM   #15099
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You sure it wasn't hotter with 69/30 vs. the 72/29?

Yeah from what my pit person said (daughter) I can try again with the 72/29 but with that gearing it seemed like I don't have a lot of low end power. I am running a Tekin RSX in blinky mode. When I did the 72/29 I had motor timing at 50* and with the 69-30 the timing is set at 60* and noticed more punch from it so maybe going up on the timing is what gave me the more punch and not the gearing?

Still would like to put a fan on it because of how hot it's getting out here now
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Old 08-15-2015, 03:59 PM   #15100
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Yeah from what my pit person said (daughter) I can try again with the 72/29 but with that gearing it seemed like I don't have a lot of low end power. I am running a Tekin RSX in blinky mode. When I did the 72/29 I had motor timing at 50* and with the 69-30 the timing is set at 60* and noticed more punch from it so maybe going up on the timing is what gave me the more punch and not the gearing?

Still would like to put a fan on it because of how hot it's getting out here now
You didn't say anything about timing. But even so, when you went from 72/29 to 69/30 you basically went up two teeth, and added more timing. Yet it ran cooler.

That's not normally the way it works but it does happen
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Old 08-15-2015, 04:17 PM   #15101
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Originally Posted by carcrazy699 View Post
What is a good fan that pushes a good amount of air that I can solder to the battery plug for my car? I was looking at hobbypartz but they seem like they aren't that good of quality. I want something that is going to push a good amount of air for the motor so I can gear up a tooth or 2. Last time I had it at 72/29 and the motor was coming off at 175 and that's way to hot for my comfort. Now that I am geared 69/30 the temps are around 135-140. It has been around 100-109 here and want to help the motor keep cooler
R1 fans are the best around. I have the 8.4v from TQ Raceway.

http://www.tqrcracing.com/shop/produ....asp?p_id=6919
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Old 08-15-2015, 04:46 PM   #15102
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You didn't say anything about timing. But even so, when you went from 72/29 to 69/30 you basically went up two teeth, and added more timing. Yet it ran cooler.

That's not normally the way it works but it does happen
That's what I was thinking. It gave me more punch going to the 69 spur though. My daughter is 8yr old so she is learning lol. I will trying the gearing again

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R1 fans are the best around. I have the 8.4v from TQ Raceway.

http://www.tqrcracing.com/shop/produ....asp?p_id=6919
Thanks! Looks like I might have to take a trip over there or just order one
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Old 08-15-2015, 05:22 PM   #15103
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If the ballcups are really tight on the ballstuds, i wouldn't count on them freeing up. You will need to pinch them with pliers to free them up. See post #1.
thanks for that tip, i pinched them all and they are all good to go.Hopefully they stay on the ball studs. Thanks cpt!
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Old 08-15-2015, 05:50 PM   #15104
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Is it a good idea to run aluminum rear hubs in stock?
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Old 08-16-2015, 07:05 AM   #15105
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Anyone know the difference between the B5r and B5m rear arms.
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