HobbyKing.com New Products Flash Sale
Reply
Thread Tools
Old Oct 15, 2004, 12:51 PM
Soloed four years ago...
CarlosT's Avatar
Garden City, New York, United States
Joined Oct 2004
53 Posts
Optimal settings for CC25 and MEGA 16/7/8 motor

I bought a MEGA 16/7/8 and had a CC25. When I try to run the motor, everything works fine except the motor stutters/wobbles really bad at low throttle settings. Starting from 1/3 of throttle it smoothes up and runs like a champ. I really like this little motor.

Then I came here and did some reading. I didn't find too much on MEGA with CC25 but it seems that some folks had their share of trouble with CC25 and Himax motor. I some cases, playing with starting options seemed to cure the problem.

I tried to play with the soft start setting but I can barely see any difference. Even when I set to Option 1: Very soft start, it still trembles around.

What else can I try? What are the optimal setting for MEGA 16/7/8 married to CC25? Thanks!

Carlos
P.S Both motor and ESC are new.
CarlosT is offline Find More Posts by CarlosT
Reply With Quote
Sign up now
to remove ads between posts
Old Oct 15, 2004, 02:13 PM
Soloed four years ago...
CarlosT's Avatar
Garden City, New York, United States
Joined Oct 2004
53 Posts
Also, I have a question about the noises the controller makes. Sometimes when it starts up (connected battery), it makes relatively loud beeps. Sometimes when it starts up, it makes barely audiable noises (beeps). What's up with that? How does it make these beeps anyway? Does it use the motor's windings as a coil to create sound waves just like in the loud speaker?

BTW, I have tried this controller with two different motors and sound varies with both of them the same way. Sometimes the beeps are is louder, sometimes weaker. Is that indicative of something wrong?

Is my controller defective?

Carlos
CarlosT is offline Find More Posts by CarlosT
Reply With Quote
Old Oct 15, 2004, 06:09 PM
one game away...
PerfectStranger's Avatar
Willoughby, Ohio
Joined Apr 2004
3,891 Posts
I'll be interested to hear the answer to your question about the starting tones volume. My phx10 does the same thing. I don't know why. One time I'll plug it in and it's loud. Unplug, plug in and it will be soft or quiet.

matt
PerfectStranger is offline Find More Posts by PerfectStranger
Reply With Quote
Old Oct 15, 2004, 10:24 PM
Soloed four years ago...
CarlosT's Avatar
Garden City, New York, United States
Joined Oct 2004
53 Posts
Quote:
Originally Posted by mattalbr
I'll be interested to hear the answer to your question about the starting tones volume. My phx10 does the same thing. I don't know why. One time I'll plug it in and it's loud. Unplug, plug in and it will be soft or quiet.
Hehe and I was told by one fella who sometimes flies in my park not to drink and fly . He said it can't be like this. Looks like other people experience the same thing...

Carlos
CarlosT is offline Find More Posts by CarlosT
Reply With Quote
Old Oct 15, 2004, 11:51 PM
myk
Registered User
myk's Avatar
Lake Sawyer, Washington
Joined Jul 2003
1,100 Posts
Quote:
Originally Posted by CarlosT
Also, I have a question about the noises the controller makes. Sometimes when it starts up (connected battery), it makes relatively loud beeps. Sometimes when it starts up, it makes barely audiable noises (beeps). What's up with that? How does it make these beeps anyway? Does it use the motor's windings as a coil to create sound waves just like in the loud speaker?

BTW, I have tried this controller with two different motors and sound varies with both of them the same way. Sometimes the beeps are is louder, sometimes weaker. Is that indicative of something wrong?

Is my controller defective?

Carlos
Yes, the motor acts like a speaker, the controller excites the coils in the motor which in turn cause it to vibrate and make a noise. It's loudness will depend on the position of the magnets to the coils in the motor which changes when you spin the motor, try rotating the motor a little and the sound will change.

Mike
myk is offline Find More Posts by myk
Reply With Quote
Old Oct 16, 2004, 10:35 PM
Use the 4S Luke
feathermerchant's Avatar
USA, TX, Euless
Joined Aug 2003
9,341 Posts
What if there's a bad connection between the controller and motor?
feathermerchant is offline Find More Posts by feathermerchant
Reply With Quote
Old Oct 16, 2004, 11:34 PM
Soloed four years ago...
CarlosT's Avatar
Garden City, New York, United States
Joined Oct 2004
53 Posts
feathermerchant, I thought about myself. I double checked the solder joints and they appear solid. For a moment I thought that maybe there's something loose inside the motor but I tested the ESC on another motor and it does exactly the same thing, meaning the other motor stutters the same way. Hard to belive two of my motors are messed up the same way...

Besides, there are other threads about this same symptom all over the forums here....

http://www.rcgroups.com/forums/showthread.php?t=287256
http://www.rcgroups.com/forums/showthread.php?t=283279
http://www.rcgroups.com/forums/showthread.php?t=284006
http://www.rcgroups.com/forums/showthread.php?t=279208
http://www.rcgroups.com/forums/showthread.php?p=2746686
http://www.rcgroups.com/forums/showthread.php?t=278417
http://www.rcgroups.com/forums/showthread.php?p=2616454
http://www.rcgroups.com/forums/showthread.php?p=2584963

...

Carlos
CarlosT is offline Find More Posts by CarlosT
Reply With Quote
Reply


Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Mega 16/7/8, Razor micro heli, 2s lipos for sale JPHen Aircraft - Electric - Airplanes (FS/W) 4 Jan 22, 2005 01:26 PM
Maximum current for Mega 16/7/8 eta Power Systems 0 Dec 24, 2004 07:34 AM
No review for Mega 16/7/8 motor? eta Power Systems 1 Dec 19, 2004 08:35 PM
WTB: Mega 16/7/8 motor 10Thumbs Aircraft - Electric - Airplanes (FS/W) 0 Jan 23, 2004 06:08 PM
Light gearbox for mega 16/7/8 nativepaul 3D Flying 1 Nov 27, 2003 12:35 PM