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tenshock sc401 short course Brushless MOTOR

tenshock sc401 short course Brushless MOTOR

Old 08-04-2011, 02:17 AM
  #646  
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Also, does anybody know any places in the US that have the hobbywing programming card available? Hobbypartz is out and all the ebay sellers seem to be in China and will take 2-3 weeks to get here. Thanks!
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Old 08-04-2011, 05:13 AM
  #647  
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Originally Posted by ITS ME DAVID View Post
Selling my tenshock 4600kv guys used 4 times
http://www.rctech.net/forum/r-c-item...-tenshock.html
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Old 08-04-2011, 06:58 AM
  #648  
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newk/v 3500k/v 3S

Attached Thumbnails tenshock sc401  short course Brushless MOTOR-r0012273_-.jpg  
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Old 08-04-2011, 07:15 AM
  #649  
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Tenshock,

Given the listed specs for the motors

4000kv - 21v, 150a, 2000w
4600kv - 18v, 180a, 2000w
5200kv - 15v, 200a, 2000w

Care to explain something to us all

Assuming I am after 35 mph on 2s, which any of the motors would be capable of

What would be the difference between them and how does one select one over the other ?

Will they simply have different torque / power curves ?

Will they run at similar temps ?

What will the specs of the 3500kv be ?

Cheers

Last edited by crusey_aus; 08-04-2011 at 07:40 AM.
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Old 08-04-2011, 09:29 AM
  #650  
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Originally Posted by crusey_aus View Post
Tenshock,

Given the listed specs for the motors

4000kv - 21v, 150a, 2000w
4600kv - 18v, 180a, 2000w
5200kv - 15v, 200a, 2000w

Care to explain something to us all

Assuming I am after 35 mph on 2s, which any of the motors would be capable of

What would be the difference between them and how does one select one over the other ?

Will they simply have different torque / power curves ?

Will they run at similar temps ?

What will the specs of the 3500kv be ?

Cheers
All of them will easily hit 35mph on 2s

The difference is what gearing you will need to run with each to keep it within operating temps or desired speed. Lower KV motors generally have more torque and deal with heavier vehicles better.

Of the 4000kv and 4600kv that I have ran, when geared for the same top speed, they feel nearly identical

The lower KV motors will run a bit cooler geared for the same speed
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Old 08-04-2011, 09:40 AM
  #651  
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Builtrc is out of them. I emailed EJ and he said they will have more around the middle of next week.

I sold my Ballistic 4.5 because the drag break effect was driving me crazy. I'm planning to pick up the 4000kv Tenshock. I'm running a RX8 ESC. It sounds like a 14T pinion is the place to start, right?
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Old 08-04-2011, 09:48 AM
  #652  
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Originally Posted by ChrisAttebery View Post
Builtrc is out of them. I emailed EJ and he said they will have more around the middle of next week.

I sold my Ballistic 4.5 because the drag break effect was driving me crazy. I'm planning to pick up the 4000kv Tenshock. I'm running a RX8 ESC. It sounds like a 14T pinion is the place to start, right?
14 or 13, depending on temps. In the scte, with 100 degree temps here, the 13 is the sweet spot coming off at around 150 with a cheap clip on heatsink, or around 160 without it. I'd grab a 13 and 14, which should cover about everything.

You're going to really like it, Chris.
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Old 08-04-2011, 09:56 AM
  #653  
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We choose different motor KV according the track.
Take 2s for example, 5200KV is good in high speed track field which is with more long straight lines. As it is high RPM, the torque is less than other two.4000KV is good in the track which with more corners, needs frequent speed up and down, start and brake. 4600KV is between those two KV.
And also, when you choose different KV, personal controlling habits is also a point.

3500KV is a new KV released just now specially for 3S.This KV is more for fun and hard use.
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Old 08-04-2011, 10:11 AM
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Originally Posted by ChrisAttebery View Post
Builtrc is out of them. I emailed EJ and he said they will have more around the middle of next week.
I ordered the last one. I refreshed the page. And it read out of stock on Monday.
I'm going to throw a 15t pinion on my scte/w fan heat sink.
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Old 08-04-2011, 10:12 AM
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My SCTE was 6lb 4 oz with the Ballistic 4.5, so it should be closer to 6lb 2oz now. I'll try the 14T first.

Originally Posted by lowroad View Post
14 or 13, depending on temps. In the scte, with 100 degree temps here, the 13 is the sweet spot coming off at around 150 with a cheap clip on heatsink, or around 160 without it. I'd grab a 13 and 14, which should cover about everything.

You're going to really like it, Chris.
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Old 08-04-2011, 10:18 AM
  #656  
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Originally Posted by ChrisAttebery View Post
My SCTE was 6lb 4 oz with the Ballistic 4.5, so it should be closer to 6lb 2oz now. I'll try the 14T first.
chris,

thanks for the shims. i'll hit u up when EJ gets the tenshock shipment. i asked him yesterday too and he said next week. tenshock has been pretty good with getting their orders to him.

i just weighed my SCTE with the new BCE chassis. RTR with body and all, it was 6.4 pounds. it was 6.6 before the chassis. as far as cutting more weight, i'll hack up the battery tray more (the RC MONSTER battery tray has a LOT of material) and probably get the snr hinge pin holders, but after that i'm done. not going to hack up receiver box. also, i know i'd save some weight with DE rims (currently have losi rims with beadlock blings on them), and a new body that didn't have a ton of gorilla tape holding it together. i'm not too concerned with weight anymore...

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Old 08-04-2011, 11:21 AM
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Originally Posted by ChrisAttebery View Post
My SCTE was 6lb 4 oz with the Ballistic 4.5, so it should be closer to 6lb 2oz now. I'll try the 14T first.
Yeah, you should be ok, I think.
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Old 08-04-2011, 04:25 PM
  #658  
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Originally Posted by Ridley View Post
All of them will easily hit 35mph on 2s

The difference is what gearing you will need to run with each to keep it within operating temps or desired speed. Lower KV motors generally have more torque and deal with heavier vehicles better.

Of the 4000kv and 4600kv that I have ran, when geared for the same top speed, they feel nearly identical

The lower KV motors will run a bit cooler geared for the same speed

So given that the 35 mph I suggested is well within their operating temps

With the points you made why would anyone choose the higher kv version ?

Why would you want less torque and more heat ?


Guess what I am trying to understand is ..............

At that load (call it 35 mph)

Will they all feel similar, have similar amp draws and run at similar temps ?

Cheers
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Old 08-04-2011, 05:30 PM
  #659  
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will my tenshock died not good wen the nats are 4 weeks away
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Old 08-04-2011, 05:37 PM
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Originally Posted by tenshock View Post
We choose different motor KV according the track.
Take 2s for example, 5200KV is good in high speed track field which is with more long straight lines. As it is high RPM, the torque is less than other two.4000KV is good in the track which with more corners, needs frequent speed up and down, start and brake. 4600KV is between those two KV.
And also, when you choose different KV, personal controlling habits is also a point.

3500KV is a new KV released just now specially for 3S.This KV is more for fun and hard use.

But my question refers to all of the motors being geared for exactly the same speed and well below their advertised power ratings

Assuming 35 mph would be 800 - 900 watts or so on 2s in a heavier car

I assume by your answer that the only difference will be a slight difference in the torque / power curves until max speed is reached ?

Will the higher kv motor always run hotter under the same load ?

Cheers

Last edited by crusey_aus; 08-04-2011 at 05:48 PM.
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