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A Main Hobbies . Boca Bearings . Modefo's RC Helicopters

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HIROBO Freya - Sceadu - Shuttle > evo 50
 
 
stickjammer
Senior Heliman
Location: Fort Plain ny

have a evo 50 with a jr500t jyro and a 8700g servo running a 9chpsuper,when in hh mode i give right rudder and then back to neutral the servo creeps all the way left and when trying to hover it just wants to piro tail goes left servo moves the way it does with right rudder input when i turn the nose by hand please someone help me out

rob
08-05-2008 09:29 PM
 
 
stickjammer
Senior Heliman
Location: Fort Plain ny

need some help here

rob
08-05-2008 09:58 PM
 
 
BarracudaHockey
rrMaster
Location: Orange Park FL

First, make sure the gyro is sensing the correct direction. To do that give right rudder and note the direction the tail blades move, I think on the EVO the servo pulls the rudder.

Now pick up the heli and turn the nose to the left and the servo should do the same thing the stick does when giving right rudder, if thats wrong flip the reverse/nor dip switch.

Then turn the gain all the way up in heading hold and adjust the sub trim on the rudder channel till you can center the servo with the stick and there is no drift. Then turn the gain down to 50 percent and test fly.

The JR gyro can use the GYRO screen in the 9c so set the MODE to GY and AVC 50 to get 50 percent gain in heading hold and NOR 50 to get 50 percent gain in rate mode.


AMA 77227
http://www.jaxrc.com
08-05-2008 10:00 PM
 
 
stickjammer
Senior Heliman
Location: Fort Plain ny

ok now i need to know why when i give right rudder input in hh and go back to center does the servo creep back to the left as if it were given left rudder input

rob
08-05-2008 10:21 PM
 
 
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HIROBO Freya - Sceadu - Shuttle > evo 50
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