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[Solved] Wizard ~ Advanced Menu

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(@jimm-y)
Trusted Member Customer
Joined: 3 years ago
Posts: 55
Topic starter  

When we go through the wizard setup and @ page 8, 'cyclic 10 degrees' >then into the Advance menu CCPM and if we were to adjust Cyclic Ring or the Aile/Elev Out Max: would either of these alter the 'default 10 degrees' I have servo links binding @ extreme servo though rarely ever fly at full cyclic. 

Untitledcyc2
Untitledcyc1

 


   
(@customercare)
Reputable Member Admin Registered
Joined: 6 years ago
Posts: 1118
 

Yes, in ADVANCED, Common tab, CCPM, the two parameters "Aileron Out Max" and "Elevator Out Max" change the CYCLIC parameter in Wizard panel 8.
You can check it yourself by changing the values in ADVANCED and going back into the Wizard you will see that the previous value has changed.

When you move the cyclic and the links go into binding does it happen either with max positive collective step or with max negative collective step?

If Binding occurs only on one side of the maximum collective pitch, then you can move the swashplate up or down by lengthening or shortening the links that go from the servos to the swashplate and then correcting the pitch of the blades by shortening or lengthening the two links that go from the swashplate to the blade holders.
Usually in most well-designed models, the swashplate position is correct when with collective pitch at zero (center) the swashplate anti-rotation pin is in the center position of the anti-rotation guide.


   
(@jimm-y)
Trusted Member Customer
Joined: 3 years ago
Posts: 55
Topic starter  

@customercare Attracted picture looking downwards bottom swash link touches the servo body @ full neg pitch and forward elevation so it is at extremes of travel, though if I was to also input small aileron in it would put servos under more load, in fight I'd doubt I would reach the bind point even when I do corkscrews so not overly worried, just if the above mention was a separated setting I could have tried to dial it out.

 

IMG 20231010 202352

  Align 470LT cyclic servos KST X12-508 the link arm position to servo arm is as per manual


   
(@jimm-y)
Trusted Member Customer
Joined: 3 years ago
Posts: 55
Topic starter  

I have since taken another look at the linkage and keeping with the correct Brain2 config for 470 it's not possible to avoid the servo links from touching /binding against the servo casing, so just for clarification for others to read, it's appears to be a recognised issue even with using other FBL units as well, some have moved the ball link to next hole on the servo arm to solve the issue.

 


   
(@customercare)
Reputable Member Admin Registered
Joined: 6 years ago
Posts: 1118
 

If the mounting of the metal uniballs on the servo horns and on swashplate was done according to what is stated in the mounting instructions. then it is an obvious design error or an error in the mounting manual.

In fact, even if the design had been done using specific servos that do not cause this kind of problem, the rotation required for the servo horns would be excessive causing a severe loss of linearity at the extremes of the excursions.


   
(@jimm-y)
Trusted Member Customer
Joined: 3 years ago
Posts: 55
Topic starter  

I can only assume it's a design error for simple reason the two aileron servo arm balls mount inside the arm, fitting ball links then reduces the throw, as example if I was to reduce the default 10 degrees cyclic between 8/9 degrees @ 12 degree negative pitch then apply full elev it will just touch/bind on the servo case, I think my collective pitch is about 11 degrees so to get the 10 degrees cyclic.

Untitled 3

Edit: my error, I was refreshing the manual and then realised I have the upgraded V2 main blade grips on, I still had same issue with stock ones but setup did allow me 12.5 degrees collective. 


   
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