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Logo 550 › Collective and cyclic pitch
03-28-2015 01:18 PM  3 years agoPost 1
Airman98

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Southern Illinois

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Just finished building my 550sx, so awesome. Plan to do the vbar setup later today and was wondering what pitch everyone was running on the cyclic and collective. Also what headspeed would you recommend for mild 3d. As a side note got to say the vcontrol is amazing.

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03-28-2015 04:47 PM  3 years agoPost 2
waheed1998

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baltimore,md

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I use 13 and 8 on all my heli but, that's me though

anthony jackson

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03-30-2015 03:19 AM  3 years agoPost 3
hemp

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Portland, OR - US

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13 degrees collective is pretty good for 550sx. Set the cyclic ring to whatever your max throws are without binding, then back off if you have bogging or cavitation in flight. Agility is the main thing that controls flip/roll rates on VBar.

For headspeed 2000 is a nice smooth headspeed for mild 3d. Can go lower if you want more flight time but it starts to get sluggish on collective.


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04-16-2015 02:55 PM  3 years agoPost 4
HeliViewAerial

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Ormond Beach, FL

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What pinion are you going to run? Also, is it the YGE or Kontronic? Governing the headspeeds comes into play here, especially with any of the pinions under 15T (M0.7 153 Main) . The YGE (as I recently found the hard way), needs to be around the 90% curve in order to efficient at its max. So if you're staying around 2000, you may not want to run over 13 pitch (max) and 8 deflection.

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04-16-2015 03:26 PM  3 years agoPost 5
Airman98

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Southern Illinois

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Im running the stock 14 pinon. I have the YGE esc, Im running 2k headspeed and 13 and 8 pitch. Really feels great! Getting 7min flight times with it, a few min are at 1600.

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04-16-2015 05:20 PM  3 years agoPost 6
Ronald Thomas

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Gainesville, Fl, USA

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You guys have to realize that you are not setting the cyclic pitch with the 8 degree setting, you are setting a reference point. The VBAR algorithm will use/ limit the cyclic pitch according to the needs of the pilot and settings. Setting the collective pitch is the choice of the setup though…..Ron

Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!

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07-14-2015 02:33 PM  3 years agoPost 7
soggy

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thailand

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i set collective pitch at 11deg , cyclic at 6 , agility 110 , pinion 15t ( increasing soon to 17t , motor 4020-1100kv old combo logo500, upgraded to 550sx but motor yet to upgrade..

heli bog alot during tic toc..when doing hard 3d, we feel the blade almost stop.. LOL..
maybe increasing pinion will help ? or need a 4025-1120 xnova ?

one thing i havent touch is the pitch pump...should i increase to 20 ? or 40 ?

Logo 480XX, Logo550SX , Logo600SX , powered by VBC

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07-14-2015 06:07 PM  3 years agoPost 8
Ronald Thomas

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Gainesville, Fl, USA

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That is no where near enough pitch to bog the head at a decent rpm. What HS are you running? Also what governor are you using???

Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!

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07-14-2015 07:01 PM  3 years agoPost 9
soggy

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thailand

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many of us using low pitch to punch the heli.. one guy use 10deg, 5 cyclic n 110 agility. they are flying fast style 3D. but i use 11

i dun measure the HS, i am running hobbywing 100A v3 at 85% .

Logo 480XX, Logo550SX , Logo600SX , powered by VBC

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07-14-2015 07:17 PM  3 years agoPost 10
hemp

rrApprentice

Portland, OR - US

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Sounds like weak batteries or high resistance to me. Running low HS is a lot more demanding on the power draw to maintain that headspeed under hard 3D.

Bigger pinion is going to either give you more HS or require a lower throttle setting. If the problem is caused by inability to deliver the power required, then the latter would make the bogging worse.


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