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Century Radikal E640 - Swift 16 NX
› Help! new century ESC problems
05-01-2010 05:54 PM  8 years agoPost 1
RC'er

rrNovice

Quakertown, PA

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I just got the batteries today, charged them and wired them up. I wired them correctly, black to black, red to red (electronics is my trade) and when I plug the battery into the esc the bec works fine but, there is no beep? I left the motor unplugged to program the esc so I don't get wacked by the blades...is that why it isn't beeping? I don't want to plug the motor in if I don't know what the esc is going to do.

Scott

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05-01-2010 05:57 PM  8 years agoPost 2
eggmcmuffinplz

rrElite Veteran

Los Angeles, CA

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Yes, the motor is what beeps. If you are worried of what the motor will do, just back the motor off until you have it setup.

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05-01-2010 06:40 PM  8 years agoPost 3
RC'er

rrNovice

Quakertown, PA

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Thanks Scott D! I'll move the motor away from the gear and try that.

Scott

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05-01-2010 06:58 PM  8 years agoPost 4
RC'er

rrNovice

Quakertown, PA

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Nope, still no beep.

It seems like the esc is working fine though? When I have the tx throttle stick at the bottom and plug in the esc the motor spools up & down smoothly. But, when I plug in the esc with the tx throttle stick at the top the motor doesn't run at all even if you move the throttle stick around...maybe it is in programing mode and the beeper just isn't working?

Scott

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05-01-2010 07:08 PM  8 years agoPost 5
RC'er

rrNovice

Quakertown, PA

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Never mind for some reason it just started working? It beeps now.

Thanks for you help Scott D!

Scott

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05-02-2010 11:06 PM  8 years agoPost 6
RC'er

rrNovice

Quakertown, PA

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The ESC is still not working.

I friend of mine helped me set the heli up today (He has been flying helis for over 20 years) and after we got everything balanced and tweaked we took the heli outside to run it. I plugged the battery in, put the canopy on and stood back to run it up and it only went to about 1/4 motor speed even at full throttle. So, I took the canopy off & felt the esc and it was warm which seemed wrong because it didn't even spool up or do any work. We took the heli back inside and tried everything we could think of and it still will not beep? And now it won't run at all? Any ideas?

When I first got the esc I powered it up without having the motor plugged in to set it up, would that hurt the esc?

Should I contact century or the store I bought it from in Florida?

Thanks for any help.

Scott

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05-02-2010 11:16 PM  8 years agoPost 7
eggmcmuffinplz

rrElite Veteran

Los Angeles, CA

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What radio, motor, pinion, and batteries are you using?

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05-02-2010 11:23 PM  8 years agoPost 8
RC'er

rrNovice

Quakertown, PA

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Century 1300 kv motor/Electron 60/80A esc (4s/5s power combo)
10 tooth pinion came with it.
Gy520/BLS254
3x HS-5485HB cyclic servos
I ordered 2 batts for it:
ZIPPY 5000mAh 4S1P 30C
Turnigy 3600mAh 4S 30C
JR 9303 tx & JR R921 rx

Scott

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05-02-2010 11:32 PM  8 years agoPost 9
eggmcmuffinplz

rrElite Veteran

Los Angeles, CA

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A few things. Try to put the throttle trim om your radio all the way down. And also check your throttle curves in the radio. I did some calculations, and your max headspeed is going to be around 2000.

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05-03-2010 12:03 AM  8 years agoPost 10
RC'er

rrNovice

Quakertown, PA

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We tried it with the trim all the way down. We tried raising the travel throw on the throttle, reducing the travel throw... We used his Jr 12x settings that he flies his trex 450 on and still no beeps from the esc.

Regardless of the stick position shouldn't the esc still beep when power is applied?

Every time you plug the esc in there is a tiny spark at the connector like it is drawing current right away is this normal?

Scott

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05-03-2010 12:08 AM  8 years agoPost 11
eggmcmuffinplz

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Los Angeles, CA

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A spark is normal. The ESCs im familiar with beep when they initialize, that is recognize low throttle and that arms the ESC.

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05-03-2010 12:42 AM  8 years agoPost 12
RC'er

rrNovice

Quakertown, PA

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Hmmm..well, The pinion to main gear mesh is good and the main rotor & tail rotor spin nice & free. The only thing left I could think of to try was make a "new" heli model and left all the default settings in my radio & use a different 7 channel spek rx and try to get a "beep" out of the esc and still no luck. I'll call Century tomorrow I guess.

Scott

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05-03-2010 08:44 AM  8 years agoPost 13
HarveyR

rrVeteran

France - North

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You could easily check the RX output (the one where you've plugged the ESC) by plugging a servo to it and checking you get about 180° between min and max throttle, that way you'd be sure it's not because of some limited travel that things aren't working. If you're not getting lcose to 180°I'd say there's a setting problem on the TX.

Can you try this and say how it goes?

PS: I don't think it's abnormal that the ESC's a little warm, they warm up very quickly, especially at low RMPs. Your's also has an integrated BEC which will get warm. But it's strange that you get the engine spinning without hearing any beeps at all. It should make some beeps I think.

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05-03-2010 03:40 PM  8 years agoPost 14
RC'er

rrNovice

Quakertown, PA

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Harvey, just now I plugged a servo into the throttle channel and set the end points so that all of the mechanical throw was being used and then plugged the esc back in and still no beeps.

Scott

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05-03-2010 04:13 PM  8 years agoPost 15
HarveyR

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France - North

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I'll check tonight on my ESC (Century Electron 80/100), but I think when I plug the LiPo in it beeps just about whatever the stick position is. I've noticed my Align ESC (250SE) usually beeps lowed but once in a while it beeps really low, can barely hear it.

It's strange because yours did beep at some point you said. I guess it does the same with both your batteries. Any chance you could try it with a 5S battery? Does the engine still spin?

Have you managed/tried to contact Century yet?

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05-03-2010 04:23 PM  8 years agoPost 16
HarveyR

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France - North

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I was looking back at your pictures trying to spot the ESC but can't see it. I though this ESC had the BEC integrated (from Century web site). I can see your BEC, but no ESC, did the ESC come with the NX Combo?

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05-03-2010 04:58 PM  8 years agoPost 17
RC'er

rrNovice

Quakertown, PA

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I originally had the esc under the battery tray but, when someone commented about a 4S drawing more current I moved it to outside the frame so that I could reach it to monitor the temps. Yes, I have the bec hooked up and it is the 4S/5S combo kit. The motor does not run at all now. The esc never once worked enough to even run the blades up to speed once...so, it can't be fried from over current. It does not smell burnt at all either. I just tried calling Century and they are not open yet. I called them last week with a question I had about the elevator and they were a lot of help so, I am sure they will help me figure this out.

Scott

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05-03-2010 08:57 PM  8 years agoPost 18
oldfart

rrProfessor

Vancouver, Canada

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I would try giving Century a call.

But most ESC's will not initialize if:

1 - the throttle stick is not all the way down

2 - if your throttle is reversed - some radios must be in normal and others in reverse to receive the "low throttle" signal from which the ESC works. If your radio has to use the reverse setting then you will have to do so.

In that case, move your motor pinion so it does not engage the maingear, and reverse the throttle channel, then insure your throttle stick is at the bottom, then plug in your battery.

Also, are you using a BEC or seperate battery pack to drive your RX & servos?

Phil

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05-03-2010 10:52 PM  8 years agoPost 19
RC'er

rrNovice

Quakertown, PA

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Oldfart, I am using bec.

I was on the phone with Century today. They had me plug a little 10 amp esc that I had into the motor that came with the heli and it beeped and ran the motor fine. So, it seems like it is the esc and not the motor that is the problem. They are sending me a new esc and I am sending this one back. We'll have to wait and see what is wrong with the original one after they look at it and see if it is under warranty.

Scott

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05-11-2010 02:31 AM  8 years agoPost 20
RC'er

rrNovice

Quakertown, PA

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Century replaced the ESC under warranty. They believe the radio settings damaged the ESC but, they covered it under warranty anyhow. The replacement is working great and I am very happy with it.

Scott

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