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Home✈️Aircraft🚁Helicoptere-AlignT-REX 600 › 600 ESP Tail Bobbing
04-02-2010 08:41 PM  10 years ago
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jonesjj

rrApprentice

Northern IL

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600 ESP Tail Bobbing
Greetings all

my ship seems to have the tail bobbing (tail going up and down some)

here is my set up

Edge 603 main blades Edge 95mm Tail Blades
Scorpion 4025-1100 with a 12T pinion
CC ICE 100 esc
Align DS620 on cyclic
Align DS650 on Tail
Fut GY520 gyro
6S 4500 and 5000mA batt
Align 7.4 1900mA Rec batt with Align Reg
Using the Step Down for TR servo between servo and and where it plugs in to the GY520

Throttle is set at 100% straight across

The only Tach I have is my iphone and it was saying 2570 on the head

Hover pitch is set to about 6 deg at 1/2 stick

Blades are tracking great

It does not have the bowl effect just the tail bobbing up and down some.

I am not trying to set up for 3D but I want to eventually use this ship for some AP.

Any ideas why the tail may be bobbing up and down some?
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04-02-2010 08:46 PM  10 years ago
michael88997

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Lewisville,Tx

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with that setup your probably only getting 1500-1600 rpm... no way your at 2500 headspeed... you gotta bump up the pinon cause ur headspeed is to slow
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04-02-2010 09:12 PM  10 years ago
jonesjj

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Northern IL

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I need to get a proper tach to check I know that the phone more than likely is not correct.

maybe try and 13 or 14T and see what that does

What HS should I be targeting with this ship? when I get a Real tach.
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04-02-2010 09:26 PM  10 years ago
jonesjj

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Northern IL

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Here is one other question to throw out there.

Is there any advantage or disadvantage to running the gov mode in the esc when not doing 3D and just general flying around?
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04-02-2010 09:31 PM  10 years ago
michael88997

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Lewisville,Tx

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i think most people go for around 1800-1900 for flying around but could b wrong... i prefer to gear my helis so they run at 100% tc because a gov is constantly changing and not running at 100% making it less efficient and in my experience they run hotter...
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04-02-2010 11:25 PM  10 years ago
Raptorz499

rrKey Veteran

NJ

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Ideal pinion for your motor is 14 or 15 tooth!!
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04-03-2010 12:33 AM  10 years ago
jonesjj

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Northern IL

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I have a 14t I just need to find it I did find my 13T and put that on to see how it goes till I find the 14T.

What is a good heli tach to get these days?
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Home✈️Aircraft🚁Helicoptere-AlignT-REX 600 › 600 ESP Tail Bobbing
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