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Other › Servo Glitch
01-17-2009 02:20 AM  9 years agoPost 1
Chad Douglas

rrApprentice

seattle, WA USA

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A lot of smart guys here.., hopefully somebody can guide me through a mystery on my Logo 600... it's not in rotation.., just one of my backup birds for AP so nothing urgent.

Only while spooled up.., I get a spike from the servos(cyc)., I'm guessing it may have something to do with my Duralite reg..,

Here's my setup:
Pletty HP300/30A
Schulze ESC
BLS 451 cyc
Duralite HV reg
2S rx pack 7V
10S 5350
Helic 3A
G-4 lipo guard

I caught it on tape..., http://www.pugetsoundaerial.com/glitch., the last segment shows the swash moving up for a split second..,

Process of elimination I guess.., right away I'm wondering if by plugging both bat leads from DL regulator into the rx.., might be the issue.., but I heard it shouldn't.., it's a pretty scary spike when fully spooled.., the video shows a real slow head speed.

I'm sure I'm just overlooking something stupid.

Thanks in advance to any who could offer thoughts...

Chad

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01-17-2009 09:56 AM  9 years agoPost 2
Chad Douglas

rrApprentice

seattle, WA USA

My Posts: All  Forum  Topic

Early tests show the source is Helicommand.., simple grounding apparently wasn't enough(boom to frame).., it must connect from the boom to the motor plate to be effective..., at least that's the current finding as I've yet to fully confirm.., but it makes sense. Belt produced jolts are not exclusive to the Trex 500..,

Helicommand(I have 3) is finicky and sensitive.., certainly more so than gyros. My chosen mounting position factored for sure. The other 2 units on Logo 14 & MJ2.., no issues.

In re-reading the HC manual, install section says servos will react rather than the unit itself..,if not properly grounded. Should have been my first clue.

Anyway., perhaps this might be useful to others.., at least in the AP world.

Thanks for listening

Chad

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