RunRyder - CC 25 Shut Down

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e-Align T-REX 250-450-500-600 > CC 25 Shut Down

Gyronut
Elite Veteran
Location: Martinsville In.

Hi Guyz

I have my Rex setup with a CC25 , Align 400S, 315 Woodies , HS 55's and a Gy240. Using TP 2100 batts and the strech kit.

Have flown this setup for a short while and having the CC25 shutting down in flight is killing me.

Not new to electrics, yes the belt has plenty of slack and the gear mess is perfect.
I dont have any binding anywhere and all the links are good so the CC25 must not have the beans for this type of setup.

Anyone else having similar probelms and what did you do to fix it.

Thanx for your help

Rick

01-30-2005 Over year old.

playfair
Key Veteran
Location: Rochester, NY

Are you talking about a momentary cutout of the motor? This has been happening to me lately on my Shogun. It's not the BEC because I still have the other servos working (had to "auto" a couple times), so I'm thinking it's either a radio glitch, or the ESC is messing up. I just replaced the receiver and re-routed the antenna, will see if this makes a dif this week.

The sky is our canvas

01-30-2005 Over year old.

HOMEPAGE

Gyronut
Elite Veteran
Location: Martinsville In.

Thanx for the reply. One moment its flyin around the next the motor just stops and down she comes.

Rick

01-30-2005 Over year old.

trexmike
Senior Heliman
Location: uk

Mine does that in high built up area's , I think its a radio glitch, also make sure your not pulling the stick back enough on the way down to put the speed controller into a softstart, Thats if you using soft start of course. Had that happen to me to, you need to setup an idle up.

01-30-2005 Over year old.

Gyronut
Elite Veteran
Location: Martinsville In.

Thanx

Already using Idle up 1 pitch setup for 10.0-10...only use normal to get the thing going then switch....

Hover at 3/4

Rick

01-30-2005 Over year old.

jzeller
Senior Heliman
Location: Victoria, MN - USA

Sounds like you may be hitting the overcurrent protection. That'll shut it down. I set my heli overcurrent config to insensitive or disabled to prevent this. Risk is a blown ESC but beats repeated shutdown crashes.

John

01-30-2005 Over year old.

hool
Heliman
Location: Moscow Mills, MO. USA

You may want to check if your cutoff voltage is set too high. I have read several people set their cutoff to 7.2 or lower, use timer and listen to HS to know when to set her down. I was having this problem with my CC35 and once I changed cutoff no more shutdowns.

Happy flying
Brian

Edit: Sorry Jzeller I must have been typing while you were posting

Trex 450X, Mega 16/15/3, CC35, 13T, GY401, 4xHS56, TP2100

01-30-2005 Over year old.

Gyronut
Elite Veteran
Location: Martinsville In.

Thanx to everyone who has responded thus far...

Already had my over current diabled and cutoff jolts to 5.......

I did change the lasyout and moved the ESC from the side to underneath the motor bu then again we have 3 in of snow and its quite cool outside.

I bettin on the CC25's BEC just doesnt have the beans., for all this hardware.

Rick

01-30-2005 Over year old.

zo6
Senior Heliman
Location: Ohio USA

Gyronut,

Not 100% sure if it's a bec problem, but there's alot of posts about the Phoenix 25 bec acting up. I had problems with mine. I switched to a 35 and no more problems. The 25's seem to definitely work but not indefinitely. Something about the 35's bec able to handle another one amp of load.

zo6

01-30-2005 Over year old.

jzeller
Senior Heliman
Location: Victoria, MN - USA

zo6: Where you running HS55s or HS56s? I'm running 3xHS55, 1xHS50, and GY401 with my CC25 without issue. HS56s draw a lot more current such that a CC35 is needed, which has a 3A BEC vs. 1.5A.

John

01-30-2005 Over year old.

zo6
Senior Heliman
Location: Ohio USA

jzeller,

Here's a post on the Zoom board. Not sure what 2 servos is all about. It's suppose to be a direct quote from CC.

First of all I have contacted Castle Creations for the 'official' opinion on running the Phoenix 25 on a Shogun. Here is the actual response:

"While many do it 2 servos and a gyro on the BEC on a P-25 is pushing it. The P-35 has almost twice the BEC capacity and would not be pushed. For this reason I run a P-35 on all my speed 400 sized helis."

There are a bunch of variables. Not just servo types which determines load on a bec.

I can't advise using a Phx25 after researching the subject and experiencing bec problems. I'm glad it's working for you. I wished it had for me.

zo6

01-30-2005 Over year old.

airpilot38
Heliman
Location: Anchorage, AK

CC25 cutting out during flight

I'm flying...

- Stock Shogun400 build (stock canopy)
- Razor MHv2
- CC25
- (3) MX-50HP
- (1) GWS Pico+ F BB
- GWS R6PII/F Receiver
- GY401
- HeliHobby Pro Blades (wood)
- Apogee 1560 mAh

AUW: 498g

in about 5F to 15F temps and experience power cuts too. My CC25 is currently set to...

1-5 (9v cut-off)
2-4 (Insensitive)
3-5 (brake disabled)
4-1 (auto calibrating throttle)
5-2 (standard advance timing 5-20 degree)
6-2 (soft cutoff)
7-1 (very soft start)

Also, my motor temps are around 80F to 100F with heat sink…battery around 90F. I’ve tried putting a load on the copper by inducing sudden climbs, but can’t mimic or force a power cut. It’s quite weird how the CC25 cuts out.

One theory is to add up the entire mAh draw for each electronic component (servos, gyro, and receiver) to see if it exceeds the CC25 BEC mAh output. Theoretically, by adding a load on the motor should lower the output of the BEC…I think I need to add a Medusa Research Power Analyzer Plus in the circuit and get an actual measurement.

Maybe my cold temps have something to do with the power cuts.

Oh, yeah, a few days ago I was flying with (3) Century CNE2032 Ball Bearing Sub Micro Servo (.11s, 20 oz-in,9g) (cyclic) and had no power cut problems. The reason I recently switch servos was the Century servos couldn’t handle the cold temps; within the first minute of flight they would go into a very sluggish mode.

Has anyone found a better solution besides upgrading to the CC35 controller with the increased BEC output?

Thanks

02-04-2005 Over year old.

TonyTypeS
Key Veteran
Location: New Orleans, LA

I had my t-rex fall out of the sky because of the CC25 cutting out. Luckily i was hovering inside at about 6 feet. I just auto her down and landed. Same thing happened when i attempted to fly agian. I notice my crystal in my RX was loose so i taped it in place. No more cutting out. I thought this was a weird problem but never really figured out what the main reason was for cutting out. I had also lowered the max throttle to 90% and still get lots of power. So far it hasn't cut of. So it's either the ESC overloading of just a glitch. But then i don't think the ESC was overloading because i was only hovering when the CC25 cut off. BTW the etec 1700hp works pretty darn well. For 40 bucks i get loads of power and the pack barely gets warm after flights. Only thing that sucks is the motor getting very hot.

CC25
align 400s
etec 1700hp
(3)9g align servos
(1)hs56
401

Must have more POWER!
Avant FX
Fueled by addiction

02-04-2005 Over year old.

u507
Heliman
Location: Cumberland Co ,NC

try this link
http://www.runryder.com/helicopter/t155112p1

good luck

02-05-2005 Over year old.

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e-Align T-REX 250-450-500-600 > CC 25 Shut Down

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