Super Clod with powerful motor?

[Wooders28]

7 hours ago, 87lc2 said:

Don't think they're directional, run them in a few Clod and they work just fine.  

They are a timed motor, and have an arrow on with " rotation direction"  , so go faster one way, than the other.

If they work fine, then 🤷‍♂️

[Nickaford]

20 hours ago, 87lc2 said:

I don't think there are any settings that would help, sorry to hear you have that issue.   You are running the fan that comes with it, right?  Other than that not sure what else you could do to keep it cool.  Have never had mine cut out with 15t motors on 2s or 3s.  

 

10 hours ago, Wooders28 said:

Using the same 2s? 

I found issues in some cars, when using a low C rated lipo, the voltage drops under the cut off ,under heavy load. 

 

I thought ,as they where directional motors, they didn't work well in a Clod? (As one motor runs forward, and one runs in reverse)

Thanks for the comments - I am running 7.2V nimh, not 2S. When the car stops, which is very soon after starting - the ESC beeps and cuts out - it’s not overheating as it has only just started. I can only presume that it is the current.

[wolfdogstinkus]

53 minutes ago, Nickaford said:

 

Thanks for the comments - I am running 7.2V nimh, not 2S. When the car stops, which is very soon after starting - the ESC beeps and cuts out - it’s not overheating as it has only just started. I can only presume that it is the current.

Perhaps your ESC is set on lipo mode which cuts out when one cell drops below 3.5ish volts..

A ni-mh will drop under load and cause the ESC to cut out. 

Look up manual, turn off lipo mode?

[Wooders28]

2 hours ago, Nickaford said:

 

Thanks for the comments - I am running 7.2V nimh, not 2S. When the car stops, which is very soon after starting - the ESC beeps and cuts out - it’s not overheating as it has only just started. I can only presume that it is the current.

Nimh won't provide enough current to cut it out. 

I can only guess its lipo cut off? Nicad / Nimh run at close to lipo cut off voltage.

[Nickaford]

I’m sure that I set it to nimh - I’ll double check

[Nickaford]

13 minutes ago, Wooders28 said:

Nimh won't provide enough current to cut it out. 

I can only guess its lipo cut off? Nicad / Nimh run at close to lipo cut off voltage.

Even if the motors are outside of the turn limit?

[87lc2]

4 hours ago, Wooders28 said:

They are a timed motor, and have an arrow on with " rotation direction"  , so go faster one way, than the other.

If they work fine, then 🤷‍♂️

Interesting, never knew that.  Thanks for the info!  Guess it just wasn't enough to notice.  I'll have to take a closer look next time I run one of them.  

[Nickaford]

2 hours ago, wolfdogstinkus said:

Perhaps your ESC is set on lipo mode which cuts out when one cell drops below 3.5ish volts..

A ni-mh will drop under load and cause the ESC to cut out. 

Look up manual, turn off lipo mode?

 

1 hour ago, Wooders28 said:

Nimh won't provide enough current to cut it out. 

I can only guess its lipo cut off? Nicad / Nimh run at close to lipo cut off voltage.

Right - thought I had made a breakthrough! Checked with the program card and it was set to Lipo 🤦🏼‍♂️, however after I changed it to nimh, it still cut out. I have tried all settings on the low voltage cut out setting and it still cuts out - even if I disable the cut out.

Conclusion - the turn limit issue must me the cause and others have been lucky!

Thanks for the help!

[Wooders28]

1 hour ago, Nickaford said:

Even if the motors are outside of the turn limit?

The 860 is a 12t limit? 

I've run the 860 with a pair 15t firebolts on 2s for years, and they've not missed a beat.

[Nickaford]

1 minute ago, Wooders28 said:

The 860 is a 12t limit? 

I've run the 860 with a pair 15t firebolts on 2s for years, and they've not missed a beat.

The 880 is also a 12t limit, but the manual says that if you are running dual motors, the limit is doubled - so 12t single but 24t dual. 
 

It is odd because a number of people on here have posted that they have successfully run 15t motors on an 860 or 880. Mine is in a Wild Dagger - don’t know if the gearing puts more load on the motors / ESC?

[87lc2]

I'd simply put this down to incosistent quality on Hobbywings part.  As I said, have a ton of their ESCs and only a few problems but it's pretty common knowledge at this point that some of the brushed ESCs cut out like this.  It's worst on the 1060, but I've had a few 860s do this as well.  Never an issue with a 1080 or 880 thus far. 

Come to think of it, the first time I had this issue was about 3-4 years ago with an 860.  I was running 35t motors in a Clod crawler and the **** thing would go to half throttle every 5 minutes or so.  Would shut off the ESC and turn it back on and all was well for another 5 minutes until it would happen again.  Unfortunately the best place for the ESC once it starts doing that is the trash.  

[Wooders28]

5 hours ago, Nickaford said:

The 880 is also a 12t limit, but the manual says that if you are running dual motors, the limit is doubled - so 12t single but 24t dual. 
 

You're right! 

Never noticed that before, just looked at the turn limit (and the 4s capability...), and as its a dual esc, it would be for each of the 2 motors!??! 🙈

I've run the 15t firebolts on 3s with the 1060, and they've been fine (although the motor got hot and smelly....)

[Nickaford]

48 minutes ago, Wooders28 said:

You're right! 

Never noticed that before, just looked at the turn limit (and the 4s capability...), and as its a dual esc, it would be for each of the 2 motors!??! 🙈

I've run the 15t firebolts on 3s with the 1060, and they've been fine (although the motor got hot and smelly....)

I do wonder if it might be better with a lipo - only problem is - I don’t have one - or a charger!

[Wooders28]

1 hour ago, Nickaford said:

I do wonder if it might be better with a lipo - only problem is - I don’t have one - or a charger!

I don't know, as a decent lipo will provide the motors all the current they want, 100+ amps if they demand it , where a Nimh wont. 

If you're thinking of moving to lipo, I'd suggest starting with a good LCD screened charger, which I've found, usually charge Nimh better too (cycle charge to condition etc).

[bRIBEGuy]

9 hours ago, Nickaford said:

It is odd because a number of people on here have posted that they have successfully run 15t motors on an 860 or 880. 

Just because it has successfully been done, doesn't mean it's in the design parameters (or warranty) of the product.  You can successfully add a turbocharger to lots of 1:1 engines, but it doesn't mean it's a good idea and will give you the same long term reliability.

Or maybe it does work and your car is WAY more fun..... 

The wording on the 880 ESC motor/voltage rating is a bit confusing.  But it's also not a "local" company, and there are likely some language barriers.  When the MSC was dead in my clod, the 880 looked like a good swap since I was going to "just" run 2S lipo.  I figured it'd work with the vintage "Trinity Matched Madness" motors I had for the truck, but at 17t each they createsa similar load to a 8-9t motor and the ESC seems to be only rated to 12t at 2S.  This made me nervous (and maybe a bit lame...ha ha ha), so I reached out to Hobbywing about this, and they confirmed that for dual motors  the listed motor turn count must be doubled.  So I swapped the silver cans back in (which have an equivalent load of 13-14t).

Overly cautious?  Based on what many people seem to get away with on the 880s.....likely.... but it's never much fun to "let the smoke out" of new electronics...so I'm sticking with the ESC recommended limits on this one.  Personal mileage may vary.

[DaveBuildsRC]

Might be slow but axial 27t, jconcepts  27t (rebuildable I think), or rc4wd 20t might be faster.

[Nickaford]

So - I got myself a second torque tuned motor - 25T, I believe, and fitted them. All was good for about 5 minutes and then it cut out. Any other ideas - I think I have a duff ESC.

I have a 13t motor in another car - I might try the ESC with that and see if it fails. 

[87lc2]

2 minutes ago, Nickaford said:

So - I got myself a second torque tuned motor - 25T, I believe, and fitted them. All was good for about 5 minutes and then it cut out. Any other ideas - I think I have a duff ESC.

I have a 13t motor in another car - I might try the ESC with that and see if it fails. 

Throw it away and get an 880, unfortunately you have a bad 860.  Seems to be a common problem.  I've had quite a few bad 860s. 

This might be helpful if you want to bother fixing it - 

 

 

 

 

[Nickaford]

3 minutes ago, 87lc2 said:

Throw it away and get an 880, unfortunately you have a bad 860.  Seems to be a common problem.  I've had quite a few bad 860s. 

This might be helpful if you want to bother fixing it - 

 

 

 

 

It’s an 880 that I’ve got! If a cap pack would help I’ll get one 👍🏻

[87lc2]

It's an 880?   I guess they can do this to...that's not good news.  I've never had an issue with the 880, but a few bad 860s.   Solution is still the same, it will have to be replaced (assuming all settings are correct).  

The only other thing I could think of is that dual servos are overwhelming the BEC, but I haven't had that issue.  

[Nickaford]

Thanks - unfortunately I think you are right. It won’t be the BEC as I only have one servo / I’m running this in a Wild Dagger.

I’ll pop the ESC into my Optima which has a 13t Reedy motor which should be fine with the limit and see what happens!

[87lc2]

Hopefully it will work for you.  Nothing worse than tossing what should be a perfectly good ESC...

[Nickaford]

Well - I’ve put it in the optima and plugged everything in and it is just beeping 🙈