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HelicopterScale Model RC Helicopters › Airwolf three Retract servo set-up
12-22-2008 10:27 AM  8 years agoPost 1
solo

rrApprentice

San Antonio Tx, USA

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First of all .... A PAIN IN THE ASS!! holy cow! when you think you got it right... OK can some one walk me through how they set up their retracts. Using Century retracts with Hitec retract servos. Thanks.

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12-22-2008 11:30 AM  8 years agoPost 2
doorman

rrProfessor

Sherwood, Arkansas

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PITA!!!!!!!

Yes these can be a bit of a handful to install and set up, But not too terrible!!!!
First follow the pictures supplied with them to the letter!!! It is VERY important!!!
But what the pictures do not show are that you have to match the travel onthe servo arm and the retract actuator!!!
Move the retract arm in and out and find the travel needed,.. Then find the location on your servo arm as close as possible to that...sometimes the servo wheel will work better then the straight arms... This will get you very close. Then you can turn the actuator arm in or out as a fine adjustment to final the workings....Good Luck and take your time and you will win!!!

AMA 2918-Team JR, Spin Blades, East Coast Scale Helicopter,Castle Creations

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12-22-2008 04:33 PM  8 years agoPost 3
matt155

rrNovice

Pembroke Pines,​Florida-USA

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Yes, it does take some time to get things right.

1.Find out how far your retract need totravel from fully retracted to full extension. The retracts lock in both positions.

2.With retract fully extended install servo and determine approximate length of rod.

3.Connect rod and hit the retract switch. It will not even come close the first time.

4.Now remove servo wheel and hit servo retract switch to return servo to the extended position. Place servo wheel on servo as close to locking in the position as possible and adjust rod length to fine tune.

5.Once you have that taken care of retract the wheel and make sure it locks in retracted position as well. If not you will have to experiment with rod length, servo wheel placement, and possibly make a slight bend in the retract actuator wire. The idea here is to achieve a balance between the two servo positions.

6.Start off with the front retract since it is easiest to access for the multiple adjustments you will be making.

7.Once everything is adjusted properly you can screw in the retracts and servo mounting trays and do not forget to loctite the bolts.

I had to put a slight bend in my front retract actuator wire to get full travel. I think I posted a picture in my build thread. I hope this is helpful.

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12-22-2008 05:32 PM  8 years agoPost 4
nzreg

rrApprentice

Christchurch​Canterbury New​Zealand

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I found that the bend in the retract wire is critical to having these work correctly, but it is trial and error.
Keep at it, when you have it right they work really well

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