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RC Electric Off-Road Trucks, Buggies, Truggies and more Discuss electric RC off-road, buggies & trucks here. Also discuss brushless motors, speed controllers aka ESC's, brushed motors, etc

Brushless options

Old 09-28-2007, 01:50 PM
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hummer11
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Default Brushless options

Im lookin for another brushless motor to use with my mamba max esc. it will be used on a 10th scale 4wd truck doin grass and track. i already have a mamba 7700 and i want to try some thing other than a mamba or c4. it has to be bwteen 5700 and 7700 kv.

Thanks
Old 09-28-2007, 02:00 PM
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cheech4
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Default RE: Brushless options

mm 6900
Old 09-28-2007, 02:02 PM
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brushlessboy16
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Default RE: Brushless options

not a mm.... try a trinity n80 if oyu can find it, or a feigoa 7s.
Old 09-28-2007, 02:06 PM
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cheech4
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Default RE: Brushless options


ORIGINAL: brushlessboy16

not a mm.... try a trinity n80 if oyu can find it, or a feigoa 7s.
right my bad, oh well got part of it right, it is between, lol
Old 09-28-2007, 02:27 PM
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Default RE: Brushless options

How heavy is your truck? The Feigao "S" series are good for light (3-5 lbs) vehicles, and the "L" series is good for trucks that are 6-8 lbs. Any heavier and you'll want to bump up to an "XL" series. Feigao also makes some finned motors that go by the "C" designation. These are similar motors, but with a heatsink built in. They are very similar to the new sensorless motors by trinity.

Other good brands:
- Quark motors
- Kontronik fun or twist motors
- lehner basic and basic XL series
- Mega motors
- Neu 1509 or 1512 series (these are not supposed to work well with MM esc's, since its a 4-pole motor, but it still works fine).
Old 09-28-2007, 03:08 PM
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snellemin
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Default RE: Brushless options

The Trinity N80 is 7800kv. I have the 8s Feigao and runs my 7lbs Rustler fine. The 380C have a smaller rotor and if you go for one of those get the 6L version. If you run on grass get a lower Kv motor and add voltage.
Old 09-28-2007, 03:21 PM
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hummer11
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Default RE: Brushless options

well I will put it in my xxx4 or my hpi rs4 mt which I run big tires on. I might theres nothing wrong with mambs I just want to know if there is some thing better out there? Also I want to spend around $80 ilike the high rpm onthe n80 but how will it do ongrass and bashing?
Old 09-28-2007, 03:59 PM
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snellemin
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Default RE: Brushless options

High kv motors are for road use. Low kv motors are for grass. But if you insist on running the high kv motor through grass, you better have the amperage to back the motor up and really small pinion. I have the LRP motor that is 7800kv as well. I only run that sucker on 6.6v 2s2p. for road use. Just remember that Voltage effects your horsepower and amperage effects your torque of the motor.
Old 09-28-2007, 06:15 PM
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Default RE: Brushless options

im gonna get a nemesis 5900 or a mamba6900
Old 09-28-2007, 09:38 PM
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Default RE: Brushless options

What 1/10th truck that can handle brushless is 4wd? Im not kidding here, I am interested.
Old 09-28-2007, 10:50 PM
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Default RE: Brushless options

I'd say you can try the Feigao 7L 3500 kv if using 6-cells . I have the 9L 2700 kv motor in a 2wd Rustler, and on 11.1v 3s lipo, geared 25/84, it goes fast enough (< 40mph) and still pops wheelies *whenever* I gun the trigger.. If you're wanting to drive on grass with a 4wd, you want torque, which the L motors have over the S versions, and when running with higher voltage (3s lipo for example), correctly geared, you can get good speeds with wheelie popping torque. Maybe with a 4wd the 8 or 9L would be better suited for higher voltage, to keep temps low....and still get good runtimes (15-20 minutes easily with my 3s 5000 mah).
Old 09-29-2007, 07:29 AM
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hummer11
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Default RE: Brushless options

well for 4wd there arent too many my hpi is a discontinued model but I found at a hobbs store new

I'm running a 2cell lipo
Old 09-29-2007, 03:38 PM
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Default RE: Brushless options

I use a feigao 9t motor on my 2wd xxx-t and it goes 50mph with a 13t pinion and 86t spur. I dont know if this information helps but thats all I can tell you other than I love my Feigao/ mamba max combo
Old 09-29-2007, 06:06 PM
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Default RE: Brushless options


ORIGINAL: crazyman3737

I use a feigao 9t motor on my 2wd xxx-t and it goes 50mph with a 13t pinion and 86t spur. I dont know if this information helps but thats all I can tell you other than I love my Feigao/ mamba max combo

how many batteries are you running geared 13/86 doing 50 mph?, cuz i have a feigao 6s and on 7 cells i only best 43 mph, and it was geard 17/86 on my evader.
Old 09-29-2007, 07:04 PM
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Default RE: Brushless options


ORIGINAL: cheech4


ORIGINAL: crazyman3737

I use a feigao 9t motor on my 2wd xxx-t and it goes 50mph with a 13t pinion and 86t spur. I dont know if this information helps but thats all I can tell you other than I love my Feigao/ mamba max combo

how many batteries are you running geared 13/86 doing 50 mph?, cuz i have a feigao 6s and on 7 cells i only best 43 mph, and it was geard 17/86 on my evader.
Hey cheech, I bet he's using the 380 6l.
Old 09-30-2007, 04:46 PM
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crazyman3737
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Default RE: Brushless options

No, im using the feigao 380c 9t with a 4200mah 6cell pack. The truck was originally the xxx-t sport rtr II but the only things stock on it now are the shocks, reciever, and steering servo. I swaped out all the plastic for Graphite and the truck is super light. Its currently not running right now though because i blew out the main diff gear.
Old 09-30-2007, 06:50 PM
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Default RE: Brushless options


ORIGINAL: crazyman3737

No, im using the feigao 380c 9t with a 4200mah 6cell pack. The truck was originally the xxx-t sport rtr II but the only things stock on it now are the shocks, reciever, and steering servo. I swaped out all the plastic for Graphite and the truck is super light. Its currently not running right now though because i blew out the main diff gear.
Dang I was close!
Old 09-30-2007, 09:33 PM
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cheech4
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Default RE: Brushless options


ORIGINAL: crazyman3737

No, im using the feigao 380c 9t with a 4200mah 6cell pack. The truck was originally the xxx-t sport rtr II but the only things stock on it now are the shocks, reciever, and steering servo. I swaped out all the plastic for Graphite and the truck is super light. Its currently not running right now though because i blew out the main diff gear.
ok are you assuming that your doing 50, how did you test it? cuz my boy has the 380 6l on 3 S LIPO and he got 52mph on GPS on his evader and its heavier than the XXXT and i have a feigao 6S turn motor and i best 43 mph on 7 cells gunned with a bushnell radar gun. so a feigao 9 turn motor doing 50 on a xxxt maybe more like 38-40 and thats being generous.
Old 10-01-2007, 05:44 AM
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crazyman3737
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Default RE: Brushless options

we drove it in front of a 2006 ford f-150 so the speedometer was correct, we put the F-150 in cruise control at 50 mph and the xxx-t was still pulling away very very slightly but we didnt get to test to see if it went 51 or 52 because we got pulled over by the police. when we ran it we had a hot fresh battery right off the charger in, it also may be the way the mamba max is set up.
Old 10-01-2007, 06:20 AM
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Default RE: Brushless options

Hahah I don't know what was dumber, speeding or driving an r/c truck in front of a real truck at 50mph......
Old 10-01-2007, 09:57 AM
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Default RE: Brushless options


ORIGINAL: crazyman3737

we drove it in front of a 2006 ford f-150 so the speedometer was correct, we put the F-150 in cruise control at 50 mph and the xxx-t was still pulling away very very slightly but we didnt get to test to see if it went 51 or 52 because we got pulled over by the police. when we ran it we had a hot fresh battery right off the charger in, it also may be the way the mamba max is set up.
HA I like how you have to mention the year and make of the car you were driving in. Well car speedometers aren't %100 accurate maybe within plus or minus 4 mph.

But yeah, what if you hit a bump and had to let off the throttle, the next thing you would hear is crunch!

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