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RobertK · 01-25-2014, 07:52 PM

I am used to a nitro heli where collective is independent of cyclic. I'm not used to
collective input using the two cyclic servos. My problem is that as I increase throttle
and swash plate is pushed up by both cyclic serves, my cyclic does not stay straight
and level. I calibrated the swash plate and with the stick in neutral my cyclic is dead level. It drifts as pitch is added and there is no telling which way the heli is going to go once it lifts off. Shouldn't the swash stay level during pitch addition and if so, is there an adjustment on the TX I can make?

Walkera Mini CP/ Devo 7E

Thanks

Heli Yea! · 02-16-2014, 10:53 PM

Have you crashed it? Sounds like you have stripped a servo. If leveled at mid stick in Idle up, the swash plate should stay level. All three servo arms should also be centered at 90 degrees at mid stick idle up Is this the case? BE SURE TO DISCONNECT THE MAIN MOTOR FIRST!!!!!!

Krejzi · 04-14-2014, 12:46 PM

Hi.
I think I have the same problem, with my mini CP and now I've changed everything ( receiver, servos ) for Super CP, still the same problem, looks like it's a problem with RAdio ( also devo 7e ).

My problem:
When I'm moving elevator stick when pitch is down ( 0 ), everything works perfectly but when I move throttle stick up, one side of swash plate is running down, when I'm moving elevator stick servos are stopping on positions when I moved them, even when stick is in centre position. after when I move throttle stick down to zero, after 1-2 seconds servos are going to the correct position.

I;ve changed servos, receiver, firmwares on receivers and firmware on Radio with no result.

I did notice sometimes when I turn on Radio, Wifi on my laptop is loosing network or something strange is going on, Maybe that is the problem ? My Router don't want to cooperate with Devo7E ?

I tried everything I've got completely new Heli, just radio left, Everything what I can check it's just take it somewhere where is no wifi (?).
I attached video with my problem. ( at the end of the video I moved throttle up for 10 seconds and you can see how much servo was moving down without touching anything)
Help.

Krejzi · 04-15-2014, 10:23 AM

I noticed something new,

servos are not going by themselves, it's because of not accurate calibration,
But still, I noticed when I move ALI/ELE stick just a little bit servos are going slowly down to max. down position.
But when throttle is on 0 position ( I mean down or OFF ), servos are going just a little bit, just like it should be all the time.
Any ideas what to do with that ?

01-25-2014, 07:52 PM	#1 (permalink)
RobertK Registered Users Join Date: Jan 2014	Swash plate drift I am used to a nitro heli where collective is independent of cyclic. I'm not used to collective input using the two cyclic servos. My problem is that as I increase throttle and swash plate is pushed up by both cyclic serves, my cyclic does not stay straight and level. I calibrated the swash plate and with the stick in neutral my cyclic is dead level. It drifts as pitch is added and there is no telling which way the heli is going to go once it lifts off. Shouldn't the swash stay level during pitch addition and if so, is there an adjustment on the TX I can make? Walkera Mini CP/ Devo 7E Thanks

02-16-2014, 10:53 PM	#2 (permalink)
Heli Yea! Registered Users My HF Map location Join Date: Jun 2008	Have you crashed it? Sounds like you have stripped a servo. If leveled at mid stick in Idle up, the swash plate should stay level. All three servo arms should also be centered at 90 degrees at mid stick idle up Is this the case? BE SURE TO DISCONNECT THE MAIN MOTOR FIRST!!!!!! __________________ -Heli Yea! Master of: the living room, mechanical setup and, the obvious! Belt'ish CP FBL, HDX 500 DFC, New V120D02S FBL, Mini CP FBL, Hirobo Shuttle ZX, 450L w/VX1e, QR-X350PRO FPV, 450L w/APM FPV(in progress) DEVO 10 white w/2km range!

04-14-2014, 12:46 PM	#3 (permalink)
Krejzi Registered Users Join Date: Jan 2014	Hi. I think I have the same problem, with my mini CP and now I've changed everything ( receiver, servos ) for Super CP, still the same problem, looks like it's a problem with RAdio ( also devo 7e ). My problem: When I'm moving elevator stick when pitch is down ( 0 ), everything works perfectly but when I move throttle stick up, one side of swash plate is running down, when I'm moving elevator stick servos are stopping on positions when I moved them, even when stick is in centre position. after when I move throttle stick down to zero, after 1-2 seconds servos are going to the correct position. I;ve changed servos, receiver, firmwares on receivers and firmware on Radio with no result. I did notice sometimes when I turn on Radio, Wifi on my laptop is loosing network or something strange is going on, Maybe that is the problem ? My Router don't want to cooperate with Devo7E ? I tried everything I've got completely new Heli, just radio left, Everything what I can check it's just take it somewhere where is no wifi (?). I attached video with my problem. ( at the end of the video I moved throttle up for 10 seconds and you can see how much servo was moving down without touching anything) Help. https://www.youtube.com/watch?v=rHe43_NtlhY</a>" frameborder="0" allowfullscreen>

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04-15-2014, 10:23 AM	#4 (permalink)
Krejzi Registered Users Join Date: Jan 2014	I noticed something new, servos are not going by themselves, it's because of not accurate calibration, But still, I noticed when I move ALI/ELE stick just a little bit servos are going slowly down to max. down position. But when throttle is on 0 position ( I mean down or OFF ), servos are going just a little bit, just like it should be all the time. Any ideas what to do with that ?

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