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-   -   Y-lead (https://www.rcuniverse.com/forum/beginners-85/8707838-y-lead.html)

Korps 04-23-2009 04:45 AM

Y-lead
 
Hi everyone

Here I am again with one of my dumb questions.

Do you get different kinds of Y-leads? The reason I'm asking this is because when my Stick was built I had a Y-lead for my ailerons right, when I built my Edge I installed the same Y-lead for the ailerons and it works perfect. Then...when my plane was standing at the hobby shop for some work too be done - they took out that Y-lead and replaced it. The reason which was given too me was that they don't trust that Y-lead and doesn't know it (even though they installed it originally in my Stick:eek:). On my arrival at home, when testing everything, I noticed that the ailerons will move in the same direction when input from the Tx was given. Example: When you give right aileron input the right aileron must go up and the left go down - but with the "new" y-lead both will go down or up at the same time. So after seeing this I installed the "old" y-lead and it worked fine again. Flew it like that.

Now my question is do you get y-leads for different applications or are they all standard? The one I originally installed had like a screw where the leads meet and the "new" one doesn't. Does it need too be programmed into your Tx or how does this then work?

DavidAgar 04-23-2009 06:08 AM

RE: Y-lead
 
Sounds like they installed a Y harness with a servo reverser on it. Not sure why as all you need is a standard Y Harness. I would take the other one back to them for a refund. Good Luck, Dave

Korps 04-23-2009 06:49 AM

RE: Y-lead
 
Which one are you referring to which I must take back - the one which was originally in my Stick which they said they dont trust (one with the screw where the leads join)? Is this the one with the servo reverser?

bingo field 04-23-2009 06:53 AM

RE: Y-lead
 
Originally, he had one with a servo reverser on it. He just needs to look at his reciever and plug in the second aileron servo into the appropriate channel. No Y harness needed, but maybe a couple of short extensions to make it easier to find the plugs to plug the aileron servos into. I put a piece of tape on the leads and use a magic marker with a L or R on the tape so I plug them in to the correct lead. ;)

"The one I originally installed had like a screw where the leads meet and the "new" one doesn't. Does it need too be programmed into your Tx or how does this then work?"

The screw was a Trimmer Potentiometer (pot) to adjust the throw on the second servo, which is mechanically reversed, to make the throws match from one end of the stick movement to the other.

Korps 04-23-2009 07:32 AM

RE: Y-lead
 
I only have one port on the receiver for ailerons (if that is what you are referring too). Basically the setup I have at the moment is where I have the Y-lead/harness connected too my receiver. I need too take off my wings for transportation. So when I get too the field I slip on the wings and just connect the lead coming from the servo on the Y-lead/harness.

Is it the servo reverser which makes that the servos operate correctly when using that lead? Like I said the reason I'm asking this is because - when I use the "reverser one" the ailerons work as they should, but when I use the one which the want me too use both ailerons either go down or up.

jetmech05 04-23-2009 12:46 PM

RE: Y-lead
 
chances are when they removed your Y lead...they put your ailerons in the proper channel for 1 side and an aux channel for the other side.....if that's the case they need to reverse 1 side.....In all honesty I wouldn't let them touch my planes again......they installed the Y lead and charged you....then removed the Y lead and probably charged you labor....and to top it all off they didn't check it when they were finished

JohnBuckner 04-23-2009 01:17 PM

RE: Y-lead
 


ORIGINAL: Korps

I only have one port on the receiver for ailerons (if that is what you are referring too). Basically the setup I have at the moment is where I have the Y-lead/harness connected too my receiver. I need too take off my wings for transportation. So when I get too the field I slip on the wings and just connect the lead coming from the servo on the Y-lead/harness.
.

Based on what you stated your setup was orignally then looking at the bottom of your wing both servos if they are the surface mount type must have either both servo arms pointing toward the wingtips or both servo arms pointing toward the fuselage -AND- a Non reversing Y chord is used you cannot use a reverse Y chord.

Most reversed Y chords reverse the servo rotation of only one of the servos on the two Y's. Reverse Y's are typically never needed on ailerons if the proper linkage geometry is adhered to and used most often used with duel servo elevator setups and sometime with dedicated dual servo flaps.

John

bingo field 04-23-2009 02:35 PM

RE: Y-lead
 
Connect the left aileron
servo to channel #6 (Flp/Aux 1) and the right aileron
servo to channel #2 (Aile) in the receiver

I had to look for this in my JR manual, I don't get into it often enough like some people that I could quote it accurately. [:@]

Korps 04-23-2009 02:58 PM

RE: Y-lead
 
I understand it at last. I appreciate the help and patience. Thank You


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