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Losi 1/10 TEN-SCTE ARR 4x4 Short Course Truck Thread

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Losi 1/10 TEN-SCTE ARR 4x4 Short Course Truck Thread

Old 04-11-2011, 02:00 PM
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on the 2s vs 3s, 550 vs 1/8.....

I have 2 SCTE's #1 is running a Tekin 550 4.5 on 2s and
#2 is running a Castle 1800kv 1512 1.5Y on 3s... MMP's on both.

There's not a nickle's worth of difference in the speed,
my lap times are very slightly quicker on the 550 setup.
most likely the weight difference....
The 1800 accelerates a little quicker and I have the punch control set at 70% and timing at 0

I can run the 1800 all day long and never get over 135 on the motor or esc and 15 min from a 4500mah battery is no problem.

whereas on the 550, 8 min and I'm hovering around 165 on the motor
and a 5000mah battery is getting close to the max.
I went 10 min One time on a 6000mah batt and my motor & center diff temp was 210, the esc & battery were 155 and 160
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Old 04-11-2011, 02:03 PM
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Shouldn't the electronic choices in racing be determined by the vehicles weight, and not the scale?
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Old 04-11-2011, 02:08 PM
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Originally Posted by cferd View Post
Shouldn't the electronic choices in racing be determined by the vehicles weight, and not the scale?
more like the vehicle's weight should be determined by the scale. as jhautz said, if a manufacturer is going to come out with a tank, why should ROAR bend the rules because that manufacturer made a tank that is overheating the electronics meant for the scale/class?
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Old 04-11-2011, 02:12 PM
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Originally Posted by cferd View Post
Shouldn't the electronic choices in racing be determined by the vehicles weight, and not the scale?
Yeah, I'm really confused. Everyone is complaining about the weight of this truck and lining up to buy $100 carbon fiber chassis (I'm NOT going to be buying one) and then they put these heavy motors and speed controls in. Now I love tekin stuff, but my RX8 was nothing but trouble and it is really heavy and so are the 550 motors.

If you guys haven't tried a castle 1410 you are nuts. It is light and totally blew my mind at how it got my SCTE around the huge 1/8 scale track this weekend. I was able to make jumps I never could with my 4.5 550 ballistic. I also have only one brand of ESC that has never yet let me down. I wouldn't have believed it and I may still have problems with them but my hobbywing Xerun ESC's have been the only ones that have not had to go back to the manufacturer. That's good I know because warranty would be tough to get on those but they have been super reliable. The 1/10 scale is handling the 4x4's just fine.

Oh, and since I don't win that class very often, I'll brag once more that it not only could make those jumps, but it helped me lead the 10 minute main from start to finish over some very high powered cars with 550 and 1/8 scale motors. This was on 2S.
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Old 04-11-2011, 02:22 PM
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Default Temp findings in "Summer temps"

2 SCTS's we hare are running the Sidewinder SCT 1410 with the Sidewinder V2 ESC, with 30mm x 6mm fans on ESC and Motor, TP 65c 5300mah batteries.

Running in FL this weekend it was 95 when running the Main. After a 8 min Main, ESC = 120 and Motor = 130, running 14/40 on a wet clay track. Also have a custom tray over, which the design actually is funneling the air directly through the chassis.

The battery only took 3300 mah to fully recharge, it was a little warm after the Main but going to try aerating the battery tray on the bottom and sides, which that should help.

We were 3rd and 5th on our first time racing out of 30 SCT 4x4's, it was a real blast to drive, it was hard to stop smiling...
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Old 04-11-2011, 02:23 PM
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Originally Posted by chiro972 View Post
If you guys haven't tried a castle 1410 you are nuts. It is light and totally blew my mind at how it got my SCTE around the huge 1/8 scale track this weekend. I was able to make jumps I never could with my 4.5 550 ballistic.
+1 on that 1410 motor. Hands down the highest power/coolest running LEGAL size motor out there for the SC4x4 class.

I really think that smaller 4 pole motors like this will be the future of this class as the technology evolves for it. If castle had a half of a brain they would be releasing a sensored version of this motor with a 5mm motor shaft as quickly as they possibly can. The sensorless doesn't bother me at all , but it does really bug some people. If they did, they would OWN the market while the rest of the manufacturers scrambled to catch up.
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Old 04-11-2011, 02:27 PM
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Originally Posted by jhautz View Post
+1 on that 1410 motor. Hands down the highest power/coolest running LEGAL size motor out there for the SC4x4 class.

I really think that smaller 4 pole motors like this will be the future of this class as the technology evolves for it. If castle had a half of a brain they would be releasing a sensored version of this motor with a 5mm motor shaft as quickly as they possibly can. The sensorless doesn't bother me at all , but it does really bug some people. If they did, they would OWN the market while the rest of the manufacturers scrambled to catch up.
as good as the 1410 was, my tenshock is better.
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Old 04-11-2011, 02:27 PM
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Originally Posted by jhautz View Post
+1 on that 1410 motor. Hands down the highest power/coolest running LEGAL size motor out there for the SC4x4 class.

I really think that smaller 4 pole motors like this will be the future of this class as the technology evolves for it. If castle had a half of a brain they would be releasing a sensored version of this motor with a 5mm motor shaft as quickly as they possibly can. The sensorless doesn't bother me at all , but it does really bug some people. If they did, they would OWN the market while the rest of the manufacturers scrambled to catch up.
I knew it felt fast on the street, but you know how that goes. It also felt good when I was practicing but there weren't any other 4x4 short course trucks on the track at the time. I was just amazed at how fast it looked compared to the cars running all the 1/8 scale gear.

I do agree that the shaft should be 5mm and if I cared about roar reg's I guess I might care about being sensored, but with this level of performance and smoothness, a sensor is just one more thing to go wrong. And I do have a ballistic 550 waiting for a new hall sensor from Novak, so sensors do go bad. Sensor wires go bad as well. I like the simple things.
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Old 04-11-2011, 02:31 PM
  #6234  
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Originally Posted by jhautz View Post
+1 on that 1410 motor. Hands down the highest power/coolest running LEGAL size motor out there for the SC4x4 class.

I really think that smaller 4 pole motors like this will be the future of this class as the technology evolves for it. If castle had a half of a brain they would be releasing a sensored version of this motor with a 5mm motor shaft as quickly as they possibly can. The sensorless doesn't bother me at all , but it does really bug some people. If they did, they would OWN the market while the rest of the manufacturers scrambled to catch up.
I love this little motor in my SCTE, did ROAR make it legal? Last I heard it wasn't.
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Old 04-11-2011, 02:39 PM
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No the 4 pole Castle motors are not legal in 4wd or 2wd (according to ROAR) The guys that have heat issues what is you diff set-up. I'm using the RX8 with the Tekin 4.5 and after 10 min. I'm @ 155 degree..ambient temp 60's. In a 6 min race I'm using 3200 mah and temps are 140ish.
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Old 04-11-2011, 02:59 PM
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most tracks are open motor (540,550) open ESC (any) timing allowed. SC body and SC tires are manditory.

The rule that keeps this class in control is 2s lipo limit; I for one lean more and more to keeping it in palce 100%.

The castle 1410 or any 4-pole motor of this size is the ticket if you don't want to worry about heat and want lots of power. It won't slow you down inside or out, thing moves great and I've tried the tekin 4.5 as well as the ae 4.5 w/ the 14mm rotor.

The castle 3800 just works, stop crying and go buy one if your current is too hot... I run sensored in all my 1/10 stuff including my sc10 and xxxsct but with 1/8 to date I still stick w/ the castle 1515 2200kv, tekno lektron 2200kv (~1512) and the castle 1512 1800kv w/o any issues winning races. Never has my motor lost me a race, my loft has kicked in a few times though :P The 3800 is the same way, keeps the truck super light, stays cool and will do the job it needs to and won't hold you back.
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Old 04-11-2011, 03:07 PM
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Originally Posted by RC*PHREAK View Post
as good as the 1410 was, my tenshock is better.
Which Tenshock are you using?
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Old 04-11-2011, 03:08 PM
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Originally Posted by AnonymousUser View Post
Which Tenshock are you using?
4600. it is in a slash 4x4.
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Old 04-11-2011, 03:15 PM
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I ran at my local track yesterday for a few hours not racing just practice. Ran maybe six packs threw my scte and headed home when i got home i noticed both of my 2cell 5600mah 60c batt were puffed and had broke open the hard case. I run a rx8 and the sc4x 5.5 in mine and that right there shows me that i am not only pushing the limits of 2 cell lipo power but i am past it. I know that things happen and i am not complaining but i do hate to kill two barely used $100 dollar packs trying to run what my track says i have to run to race there. I really do think that 3 cell is the way to go with this truck. I might have to try the 3800 castle 4 pole motor on this truck and see if it can do what a few people have been saying it can. I just cant wrap my head around how that little motor could push this heavy truck around and be competitive.
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Old 04-11-2011, 03:29 PM
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Hi all, im thinking about picking one soon just kinda wanna get an idea on gearing on this with stock spur and pitch of pinion. Im looking to run rx8/sc4x 4.5 on 2s. I just started reading this thread so please excuse. Thanks!!
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