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Thread: Sensored Outrunner motors- Revolver S

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Old 06-21-2011, 10:29 PM   #281
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Yeah, we can do that. I plan to carry loose parts here for custom builds, and we can certainly do longer shafts too.
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Old 06-22-2011, 08:06 AM   #282
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Awesome John thanks!

I have had this plan in my head for a while but have not found a motor I thought was right for it yet. Yours will definitely fit the bill.
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Old 06-23-2011, 05:21 PM   #283
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Looking forward to this becoming available. I think this will be the best motor out of the ones that I've looked at for what i want to do with the Wraith. Now just to wait for this to be released.

Last edited by JonU; 06-23-2011 at 05:24 PM.
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Old 06-25-2011, 11:06 AM   #284
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Originally Posted by Evilinside View Post
Do you have any 380 or 270 sensored Outrunners?
Or is the only focus on 2.2 scale? I have a 1.9 comp pro that I would like to put a sensored outrunner in... any suggestions as to what my options are, currently I only see choices for 1/10.
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Old 06-26-2011, 10:33 AM   #285
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wow, crickets chirping...
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Old 06-26-2011, 10:38 AM   #286
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No, there are no smaller ones available.
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Old 06-26-2011, 10:40 AM   #287
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History takes time to make... there are no other sensored outrunners made. If you can bolt up a 540 then this motor will fit but be a lil too much, which is just about right in any situation
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Old 06-26-2011, 12:01 PM   #288
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Ok, thanks
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Old 09-18-2011, 03:45 PM   #289
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Any news?
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Old 09-18-2011, 05:25 PM   #290
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Any news?
He's probably cooling down from nats, catching up on orders and building motors. No pressure John, can't wait to see what you come up with
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Old 10-14-2011, 09:58 AM   #291
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Default Homemade controller problem

I built a ESC based on MC33035 IC.http://roboturk.googlecode.com/files/MC33035-D.PDF
The circuit is analogical with a input potentiometer,brake pin, current sense pin,pwm optional pin,and an optional ic for loop control.
It has a hall sensor for reading the position of the rotor.
the circuit is working but not so well.
The motor is an outrunner Emax BL4030/10 with 12 poles and 14 magnets.
The problem is that it has pin 22 for selecting the 60 electrical degree or 120 electrical degree.
I set it initial at 60 degree and i tried all distances combination between the sensors ,not working well because it has a FAULT led that is stopping the motor if the sensor reading is not correct.
If i only leave a sensor the motor will spin but only if i spin with my hand at initial moment.
I tried also with 120 degree setting.Bot not running smooth only if i turn it with my hand and only if i use one sensor.
Here is an animation with order of all hall sensors .
4-POLE BRUSHLESS DC MOTOR ANIMATION

In the animation the sequence is 1 0 0
1 1 0
0 1 0
0 1 1
0 0 1
1 0 1

I never achieve this logic diagram with my sensors.
In my motor one sensor in piking only 2 consecutive logic 1 not tree.
Can anybody tell me what is the problem because i tried all the positions.
IN the animation diagram the motor is in-runner and the rotor has 4 poles.
This is my motor
https://picasaweb.google.com/1155468...lessController
There is a link with this working bout i do not know haw.

HXT modified with external hall sensors.wmv - YouTube
Can anybody help me?
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Old 10-27-2011, 02:57 PM   #292
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We are getting back on track with this motor. The next round of prototypes is being made now, I am looking for about a 8 week turnaround before I see them. I had to redesign the sensor PCB myself which took a long ass time since I don't exactly have much time left in my days between packaging orders and winding/ building motors. Still on slate though!

iulian,

Do you have a debug mode where you can watch the hall sensors switch? You may consider putting an LED in series with them so you can watch the sensors switch and be sure it is never triggering more than two sensors high or low at any time. What is your hall sensor spacing, in degrees? On such a small motor there will be a very small window if sensor placement for proper commutation, and there are many combinations of sensor/ phase wiring that are wrong. First you must ensure that the hall sensors are placed and firing correctly. Then you can find the correct commutation sequence for the controller.
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Old 10-27-2011, 03:27 PM   #293
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Quote:
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We are getting back on track with this motor. The next round of prototypes is being made now, I am looking for about a 8 week turnaround before I see them.
Dibs!
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Old 10-27-2011, 06:03 PM   #294
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Really looking forward to this motor JRH. The Tekin pro4's ain't looking so hot now that you mention this
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Old 10-27-2011, 06:14 PM   #295
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Really looking forward to this motor JRH. The Tekin pro4's ain't looking so hot now that you mention this

The Pro4 will be an awesome motor, no doubt. I won't hesitate to use them, that is for sure. It will have a higher power to weight ratio than the Revolver S, simply because an inrunner can shed heat more efficiently. The Pro4 will have a MUCH lower torque density however.
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Old 10-27-2011, 06:21 PM   #296
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Quote:
Originally Posted by JohnRobHolmes View Post
The Pro4 will be an awesome motor, no doubt. I won't hesitate to use them, that is for sure. It will have a higher power to weight ratio than the Revolver S, simply because an inrunner can shed heat more efficiently. The Pro4 will have a MUCH lower torque density however.
I would possibly worry in a go fast application, possibly. The greater amount of torque outweighs heat dissipation for a scaler application in my book. Please keep us updated on your motor
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Old 10-27-2011, 08:00 PM   #297
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I am glad to see this, my losi based scaler I built for my son is patiently awaiting one for my direct to diff conversion.
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Old 11-06-2011, 02:55 AM   #298
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How this coming along? I love my outrunner but sensered would make it better
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Old 11-06-2011, 07:38 AM   #299
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Still waiting on the parts so I can put them together. The biggest update is how excited I am getting!
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Old 11-06-2011, 07:51 AM   #300
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Still waiting on the parts so I can put them together. The biggest update is how excited I am getting!
Careful JRH, you have to wear those pants the rest of the day.......

Hmmmm....I'll have to look at Calvins scaler and see what we may run.
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