Fun, Learning, Friendship and Mutual Respect
START  HERE


Unregistered
Go Back   HeliFreak > R/C Helicopter Support > Walkera Helicopters > Ufly


Ufly Walkera Ufly Helicopter Support


Reply
 
Thread Tools Display Modes
Old 02-21-2011, 10:57 PM   #1
fingerlessfred
Registered Users
 

Join Date: Feb 2011
Location: Los Angeles
Default Shaking before lift off

Hi. New to the hobby- when the heli is about to rise off the ground it starts to shake. The shaking is pretty significant, almost a bouncing back and forth. Once the heli lifts off it is wobbly for lack of better terminology.

Any help would be a greatly appreciated.
fingerlessfred is offline        Reply With Quote
Old 02-22-2011, 08:16 AM   #2
js349
Registered Users
 
Posts: 117
 

Join Date: Oct 2009
Location: USA - Tennessee
Default

Quote:
Originally Posted by fingerlessfred View Post
Hi. New to the hobby- when the heli is about to rise off the ground it starts to shake. The shaking is pretty significant, almost a bouncing back and forth. Once the heli lifts off it is wobbly for lack of better terminology.

Any help would be a greatly appreciated.
Mine will do that when the root of the blade is too large and it binds when the heli is spinning up. The only solution I've found is to sand the root down a little.
js349 is offline        Reply With Quote
Old 01-27-2012, 12:10 PM   #3
cooper83
Registered Users
 

Join Date: Jan 2012
Location: Wisconsin
Default

I am also having this problem. I tried sanding down the root, balancing the blades, all gears look to be in good working order and seem to be meshed correctly. History of the heli is just got it, hasnt been crashed. Hasn't hit anything... help please still a noob and im
cooper83 is offline        Reply With Quote
Old 04-29-2012, 05:45 AM   #4
ERRATIC BIRD
Registered Users
 
Posts: 1,035
 
My HF Map location
Join Date: Mar 2011
Location: Wilkes-Barre Pa.
Default

Wobble? do you mean the disk is oscillating like a spinning plate about to fall off a stick?

Are they stock blades?
How do you have your gyro set?
Is the flybar centered, are the paddles at 0 to 5deg. positive pitch?
Is the tail rotor blades parallel to the main rotor shaft? (my u-fly runs best when the tail blades when in the 12 o-clock position are pitched around 2 deg clockwise)

Steve
ERRATIC BIRD is offline        Reply With Quote
Reply




Unregistered
Go Back   HeliFreak > R/C Helicopter Support > Walkera Helicopters > Ufly


Ufly Walkera Ufly Helicopter Support

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


Copyright © 2004-2011 - William James - Helifreak.com