53
VENTURE 50 3D TROUBLESHOOTING GUIDE
PROBLEM
CAUSE
CURE
Helicopter vibrates excessively
a. Rotor blades out of balance
Re-balance rotor blades
b. Flybar/paddles not centered
Re-center flybar on rotor head
c. Engine running roughly
Re-adjust engine lean/rich settings
d. Excessive clutch run out
Re-align clutch assembly
Engine runs inconsistent
a. Incorrect fuel mixture
Re-adjust engine settings
b. Fuel line problem
Check/replace lines (including
inside the tank)
c. Glow plug damaged
Replace glow plug
Main rotor blades do not track
a. Blade pitch not equal
Re-set blade pitch w/ gauge and retest
b. Blades warped or twisted
Check and replace as needed
Model "wobbles" in hover
a. Rotor rpm too low
Increase throttle at hover or
decrease pitch
Clutch grabs when at idle
a. Engine rpm too high
Reduce trim value/engine rpm
b. Engine/clutch mis-aligned
Re-align and retest
Model will not lift off the ground
a. Engine too rich
Lean needle valve settings
b. Blade pitch incorrect
Re-check with pitch gauge
c. Throttle curve incorrect
Re-check throttle curve settings
Model rotates uncontrollably
a. Gyro direction reversed
Re-check gyro direction and retry
b. Tail servo reversed
Re-check servo direction and retry
c. Gyro gain too low
Increase gyro gain and retry
d. Main rotor rpm too low
Increase throttle or decrease pitch
Model constantly drifts in same direction
a. Linkage out of adjustment
Re-check linkages per manual
b. Servo centering not correct
Re-check servo neutral and reset
c. Trim levers not centered
Check TX trim lever position
For additional questions, please contact:
Venture Help Line: 217-355-9511
9a.m.–5p.m. Mon–Fri CST
E-mail: [email protected]