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Esprit Model . Thunder Power RC . Mikado Modellhubschrauber

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Gohbee Aviation Stinger 30-90 > Heli wobbles
 
 
rc heli 55
Heliman
Location: La Feria TX

My Posts This: Topic  Forum		I took my S60 up and it wobbles while in a hover, the wobble is slow back and forth but in a FF flight its ok or comeing down when I stop to hover it wobble not all the time its stop for a min or two. All link and ball are tight,servo do not move in the tray.Can someone tell what wrong.

Jose (Rudy) Castaneda
05-31-2008 Over year old.
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AllThumbs
Senior Heliman
Location: New Zealand

My Posts This: Topic  Forum		Try increasing your Rotor speed.. And make sure the dampers are lubed..
05-31-2008 Over year old.
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FLYINFOOL
Key Veteran
Location: Cudahy, WI

My Posts This: Topic  Forum		Also if it is a new heli the ball links may be a little tight.
If the links are tight the heli will seem to wander and not center well in a hover.

You should be running at least 1800 head speed.


Jeff Borowski
Gohbee Field Rep
05-31-2008 Over year old.
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rc heli 55
Heliman
Location: La Feria TX

My Posts This: Topic  Forum		Sorry for not replying back.My father inlaw was put in the hospital
he had cancer but they got it all.So this weekend I'll set the HS
faster.I'll let you know what happens

thanks guys

Jose (Rudy) Castaneda
06-03-2008 Over year old.
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Gohbee
Senior Heliman
Location: SC

My Posts This: Topic  Forum		Hope your Father-in-law heals up quickly!

-David
06-03-2008 Over year old.
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rc heli 55
Heliman
Location: La Feria TX

My Posts This: Topic  Forum		Sorrey that I haven't got back to you all about my heli. My father in-law is staing with us now, he doing fine. So am back in the field now, I pick up a vibe50 but still want to fly my stinger 60.I have check the ball links and runing at 1750 and stil wobbles. Dose it have to run 1800? can anyone help me at all.

Jose (Rudy) Castaneda
11-08-2008 Over year old.
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FLYINFOOL
Key Veteran
Location: Cudahy, WI

My Posts This: Topic  Forum		Glad to hear that your Father-in-law is doing better.

We will certainly try to help you all we can.

1750 is close enough.
Check to see if you can move the main blades relative to the main shaft.
You are looking for loose dampers or the head being loose on the main shaft.


Jeff Borowski
Gohbee Field Rep
11-09-2008 Over year old.
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rc heli 55
Heliman
Location: La Feria TX

My Posts This: Topic  Forum		Hi Jeff
I check the head it was a little lose and no movement on the damper.
went to the feild still wobble. In FF it look ok just when Im decenting may be I should get new damper for it. Let me ask you a question. The auto hub can it get out of line and cause it to wobble I had to replace the one way bearing.Ill see if there a way to check it out.
thanks for your help

Jose (Rudy) Castaneda
11-10-2008 Over year old.
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FLYINFOOL
Key Veteran
Location: Cudahy, WI

My Posts This: Topic  Forum		Yes a one way that is slipping will cause a wobble or vibration depending on just how bad it was slipping.
What do you use to lubricate your one way?


Jeff Borowski
Gohbee Field Rep
11-10-2008 Over year old.
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rc heli 55
Heliman
Location: La Feria TX

My Posts This: Topic  Forum		I use white lithium grease. Is there a way to check it out? If not I will need to buy one.

Jose (Rudy) Castaneda
11-10-2008 Over year old.
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FLYINFOOL
Key Veteran
Location: Cudahy, WI

My Posts This: Topic  Forum		One check is to hold the main gear tight and see if you can make it slip by turning the head backwards. You can try pretty hard, remember that that one way is transferring the 3+ horse power of a .90 to the head.

Sometimes grease can cause a one way to slip. Use only a light oil on it. Some use Automatic transmission fluid, I just use a light machine oil.
You can flush the grease out with brake cleaner.
While you have it apart check the sleeve that the one way rides on for wear, It should be smooth all the way across.


Jeff Borowski
Gohbee Field Rep
11-11-2008 Over year old.
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rc heli 55
Heliman
Location: La Feria TX

My Posts This: Topic  Forum		Jeff
I check the one way bearing out and its ok.I took the main blade off and spun the head, I notice the tail grear wobble. I then remove the grear, and saw that the hub would move back and forth on the shaft. Dose the hub have to fit tight on the shaft? I also put the main shaft with the head and paddle on a drill and ran it up to 2000rpm no wobble or shake.
Should I call David at gohbee to see if I need a new hub?
also I have a fraind that has a stinger 90, he was hovering the heli
and the tail blades blew off, and one blade went by his head.That twice it happen to him he was mad.
Is there a batch of blades because he has two more set of blades?

Thank for your help.

Jose (Rudy) Castaneda
11-13-2008 Over year old.
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Gohbee Aviation Stinger 30-90 > Heli wobbles
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