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08-16-2010, 12:12 PM
| #1 |
| Quarry Creeper Join Date: May 2007 Location: Brenham, Tx
Posts: 495
|  most powerful 21.5T?
Anybody know who makes the strongest sensored 21.5T out there?
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08-16-2010, 12:22 PM
| #2 |
| owner, Holmes Hobbies LLC   Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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The one that you put the highest voltage to. The tekin sensored motors are the smoothest I have driven so far. The other ones with larger rotor diameters sacrifice some low speed resolution.
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08-16-2010, 12:24 PM
| #3 |
| Quarry Creeper Join Date: May 2007 Location: Brenham, Tx
Posts: 495
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it would be getting 6S. What do you think about a tekin 21.5 on 6S? Most motors seem to be rated for only 2-3S and i want to make sure its going to last.
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08-16-2010, 12:26 PM
| #4 |
| owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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Sounds like a winner to me! Your gonna break stuff.
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08-16-2010, 12:27 PM
| #5 |
| Quarry Creeper Join Date: May 2007 Location: Brenham, Tx
Posts: 495
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thats what i wanted to hear.  the setup before was a mamba monster and a 14T puller on 6S but i did some major work to the truck and got a great deal for the electronics so i sold them. looking to get a little more wheelspeed without losing the low end. Last edited by kurt; 08-17-2010 at 07:58 AM. Reason: listed wrong turn for the puller |
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08-17-2010, 07:14 AM
| #6 |
| Quarry Creeper Join Date: May 2007 Location: Brenham, Tx
Posts: 495
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i just read that the tekin is an 85 watt motor. Will that really be sufficient? I was looking at this one as well. LRP X12 21.5T http://www.stormerhobbies.com/cgi-bi...pl?pn=LRP50862 Last edited by kurt; 08-17-2010 at 07:21 AM. |
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08-17-2010, 07:49 AM
| #7 |
| owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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All the roar spec motors are pretty much the same on power. The tekin will be just fine.
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08-17-2010, 07:50 AM
| #8 |
| Quarry Creeper Join Date: May 2007 Location: Brenham, Tx
Posts: 495
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i hate to keep asking but will the motor be fine on 6S? It seems like they are all rated for 2S. Stormer doesn't list the wattage for the 21.5 but its 148. still the tekin on 6S? lol |
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08-17-2010, 08:06 AM
| #9 |
| owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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Oh, gosh yeah. It won't even be spinning 50k rpm. You will get the wattage closer to the 5.5 on 2s with the 21.5 on 6s.
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08-17-2010, 08:07 AM
| #10 |
| Quarry Creeper Join Date: May 2007 Location: Brenham, Tx
Posts: 495
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thanks. i had others telling me it would melt. going click the "submit order" button. Thanks again for your help |
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08-17-2010, 12:29 PM
| #11 |
| Quarry Creeper Join Date: May 2007 Location: Brenham, Tx
Posts: 495
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Tekin finally got back with me. Kurt, No, the Redline motors were designed for 2-3S and some people have ventured to run them on 4S for drag racing but we don't cover them under warranty. Thanks, Tekin Support Team (20  634-5559
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08-17-2010, 12:45 PM
| #12 |
| Quarry Creeper Join Date: May 2007 Location: Brenham, Tx
Posts: 495
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Found this by BrianG on rc monster. There are two factors that determine how much voltage a motor can take. 1) Electrically, the dialectric strength of the coil wire insulation, which is usually some type of varnish substance. As long as the voltage isn't high enough to "jump through" the insulation, which usually takes into the hundreds of volts, the coil is fine. However, a voltage that is too high can cause overheating, which could melt this insulation shorting the coils. This would appear to be caused by overvoltage, but only indirectly as the real culprit is the current. 2) Mechanically, the rpm limit. As long as the kv * v doesn't exceed the max rpm limit of the motor, it's fine. |
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08-17-2010, 01:18 PM
| #13 |
| RCC Addict Join Date: Jan 2005 Location: Germany north
Posts: 1,669
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go with the T8 4030 1400 or 1700kv  |
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08-17-2010, 01:32 PM
| #14 |
| Quarry Creeper Join Date: May 2007 Location: Brenham, Tx
Posts: 495
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the problem is my battery packs are only good for 100A rms. those 1/8 motors could pull much more than that if i bind them up. I did think about a castle\neu 2200. Last edited by kurt; 08-17-2010 at 01:51 PM. |
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08-17-2010, 01:49 PM
| #15 | |
| 20K Club  Join Date: Jul 2004 Location: Sending illegals home one Hayabusa at a time.
Posts: 22,981
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08-17-2010, 01:51 PM
| #16 |
| Quarry Creeper Join Date: May 2007 Location: Brenham, Tx
Posts: 495
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i guess we will see here in a few days. wooooooo
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08-21-2010, 11:58 AM
| #17 |
| Quarry Creeper Join Date: May 2007 Location: Brenham, Tx
Posts: 495
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parts came in today. should be testing in about 30
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08-21-2010, 12:26 PM
| #18 |
| Quarry Creeper Join Date: May 2007 Location: Brenham, Tx
Posts: 495
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gotta hate it when you wait for parts to come in and then you get it in and nothing works like it should. Got it all installed and the shaft just shakes if the sensor cable is plugged in. Unplug it and it works but has some cogging. (naturally) plug in the steering servo and the whole thing gets incredibly glitchy and laggy. giving up for the day. not stressing out on a saturday. |
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08-21-2010, 12:31 PM
| #19 |
| owner, Holmes Hobbies LLC Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
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Sounds like the motor phase wires are not plugge in correctly. Try swapping them around.
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08-21-2010, 12:39 PM
| #20 |
| Quarry Creeper Join Date: May 2007 Location: Brenham, Tx
Posts: 495
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the motor spun backwards right from the get-go so i swapped motor direction with the castle software. still may need to swap? should i be red\A\1 - white\B\2 - black\C\3 the endbell is set for what looks to be a little over 12 degrees of timimg. SHould i change this? Its set to 0 on the controller |
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Linear Mode
