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Home✈️Aircraft🚁Helicoptere-MikadoLogo 600 › Logo 600 head measurements off
01-13-2013 09:56 AM  7 years ago
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mille

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Stockholm Sweden

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Logo 600 head measurements off
Hi Guys,

Trying to install vbar on my logo 600 but cant make the numbers in vbar come out right.

This is what I have:

Logo 600 with Logo 600 SX upgrade head and counterbearing combo
BLS451 servos with Futaba 20mm carbon arms

Firstly, when I set linkages from servo arm to swash at 23mm (is 23 mm correct?) I dont get the swash at mid travel of main shaft (should it be at mid travel?).

Then in the vbar I do the TX calibration and when I reach the "servo" setup I dont have zero pitch. I do linkage adjustments from swash to head to get zero pitch but then my collective is off when I fold blades together. So I make the blades to parallel with the collective slider but then my servo arms are not 90 degrees to the main shaft.

As you figure what ever I change then something else is off.

I also dont get zero percent for cyclic when I measure one blade parallell to the boom and dont get 8 percent either. I use digital pitch gauge in all measurements.

My linkages are as stated earlier 23 mm from servo arm to swash and 28 mm from swash to head. My linkages are in mid hole of servo arm as per the manual

Could you please help me with a step to step way off doing this as I'm about to give up.

Thanks alot.

M
you can take a girl out of the trash but you can never take the trash out of the girl
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01-15-2013 08:30 PM  7 years ago
mille

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Stockholm Sweden

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Wow, not a single feedback.you can take a girl out of the trash but you can never take the trash out of the girl
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01-15-2013 08:58 PM  7 years ago
SGrim80

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Lehigh Valley, PA

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Have you watched any of Mr Mel's vbar setup videos?Mikado USA
Team Scorpion!
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01-15-2013 09:10 PM  7 years ago
Ronald Thomas

rrMaster

Gainesville, Fl, USA

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Set the swash at zero pitch, build the linkages to the swash from the servos while the servos are parallel, then build the linkages from the swash to the head while the grips are at zero degrees.
Mechanically fixing it is always better than electronically......Ron
Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!
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01-17-2013 07:18 PM  7 years ago
mille

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Stockholm Sweden

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I have watched all videos from mrmel. I'm trying to get everything level mechanically but when I try to set collective and cyclic pitch electronically in vbar I can't get it to work.

Either my mid stick is not zero degrees so I adjust the links then my high and low pitch are not the same. Cyclic I get barely 7 degrees with the slider within the limits.

Any other ideas? Thanks

M
you can take a girl out of the trash but you can never take the trash out of the girl
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01-17-2013 07:21 PM  7 years ago
mille

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Stockholm Sweden

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I read a digital pitch gauge may not always be optimal. Any other way I can measure pitch and cyclic? I only have the vbar express version. Mrmel shows everything in pro version where he measures the distance between blades etc. doesn't help me that much since I don't have those features in the express.

M
you can take a girl out of the trash but you can never take the trash out of the girl
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01-17-2013 07:22 PM  7 years ago
eddiscus

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Dumont, NJ-USA

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Could you post a picture of the head setup and also where the ball link is on the servo?Logo Xxtreme 800
Logo 700
Citizen 142
Synergy 766
TDR 2
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01-17-2013 07:25 PM  7 years ago
mille

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Stockholm Sweden

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I will upload a picture as soon as possible. The ball is in mid hole from center arm.

I use these arms
http://shop.mikado-heli.de/LOGO-600...2&c=6498&p=6498
you can take a girl out of the trash but you can never take the trash out of the girl
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01-17-2013 07:29 PM  7 years ago
mille

rrApprentice - Stockholm Sweden - MyPosts All  Forum  Topic

When everything is zero that is mid stick and arms level my swash is not even close to mid travel on main shaft.

Should it be like this?
you can take a girl out of the trash but you can never take the trash out of the girl
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01-17-2013 07:58 PM  7 years ago
mille

rrApprentice

Stockholm Sweden

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you can take a girl out of the trash but you can never take the trash out of the girl
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01-18-2013 08:14 PM  7 years ago
VANHELI

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Omaha,Nebraska

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The arms do not need to be perfectly level at zero pitch. Most setups will have them slightly down at mid stick. They have no effect on the pitch deflection.
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01-18-2013 09:30 PM  7 years ago
mille

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Stockholm Sweden

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Well minne are slightly up at mid stick.
Could someone please let me know if the swash should be 2/3 up on the main shaft at mid stick? Mine is.

M
you can take a girl out of the trash but you can never take the trash out of the girl
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01-18-2013 10:13 PM  7 years ago
Ronald Thomas

rrMaster

Gainesville, Fl, USA

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Re-read my post, follow it, it will be perfect Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!
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01-18-2013 10:14 PM  7 years ago
Ronald Thomas

rrMaster

Gainesville, Fl, USA

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Question, do you have the spacers behind the Futaba cyclic servos?Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!
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01-18-2013 10:21 PM  7 years ago
mille

rrApprentice

Stockholm Sweden

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Yes I do. Is that correct?

Ok so now I have at mid stick 2 degrees with blades on same level when I fold them.
Full pitch is 15 degrees on both blades and min. Pitch is 11 degrees on both blades.
I have 1 degree of cyclic at neutral and 7 degrees when I click the "measure tab" in vbar.

Could it be my digital pitch gauge? What should I zero it against? Just a flat surface?

M
you can take a girl out of the trash but you can never take the trash out of the girl
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01-18-2013 10:36 PM  7 years ago
SGrim80

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Lehigh Valley, PA

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Zero your digital pitch gauge against the top of the motor can, I think thats what RCLogger recommends for the Logo 600.Mikado USA
Team Scorpion!
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01-18-2013 11:15 PM  7 years ago
mille

rrApprentice

Stockholm Sweden

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Ok seems I have now zero pitch at mid stick and blades parallel when folded

And my cyclic is zero at mid and 8 degrees according to the vbar

The only thing is I have 12 degrees at full negative and 12.5 at full positive.

What is the best way to make them equal?

Thanks
M
you can take a girl out of the trash but you can never take the trash out of the girl
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01-18-2013 11:21 PM  7 years ago
Ronald Thomas

rrMaster

Gainesville, Fl, USA

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.5 degree, just fly it Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!
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01-18-2013 11:23 PM  7 years ago
mille

rrApprentice

Stockholm Sweden

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Ok thanks a lot all. Maiden time tomorrowyou can take a girl out of the trash but you can never take the trash out of the girl
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01-18-2013 11:28 PM  7 years ago
johnnie eagle

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Florham Park, NJ 07932

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.5
Dude,

Your splitting hairs here. In a perfect world your +- pitch would be exact, but to be only .5 off, that's great, it's not that critical. Go fly the thing and have some fun instead of stressing over this stuff.
Team Minicopter - Peak Aircraft, Team Kontronik USA
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