|
I have a problem
Hi guys , I am having problems with my tail going up/down...not side way like hunting just up/down, I have tried increase rpm changing settings playing with my pitch and throttle with no joy, any idea?
thank you guys Pedro |
RE: I have a problem
What heli? What's your RPM? Are the blades balanced? Is the tracking good? Is the tail belt tension good? Are the main and feathering shafts bent? Has it been crashed?
|
RE: I have a problem
Is the TREX 450 The heli never crash, everything seems to be in level,,,,,but not quite sure.....I dont have vibration.....
|
RE: I have a problem
and yes the tracking is perfect and the tail belt tension is normal......??????????
|
RE: I have a problem
up and down could be a tail blade balance problem, belt missing teeth and or a gear problem as well the blade grips need to be tightened the same and both pretty loose [blades should move freely]. possibly belt tension to tight as well.
no need to run 2 post we get it |
RE: I have a problem
Make sure that you flybar paddles are level.
|
RE: I have a problem
I have seen this Twice on two seperate 450's on both occasions it is has been a head spead issue, you may have too much pitch and not enough head speed when hovering.
Recheck your pitch then adjust your throttle curve[sm=thumbs_up.gif] |
RE: I have a problem
Yep, you need more headspeed.
Also check your tail belt's tension to be sure it is not too tight. And be sure that your main blade grips are also not too tight. |
RE: I have a problem
What should be the proportion pitch/head speed.??????...during hovering I dont fly 3D
|
RE: I have a problem
I forgot my radio is DX7........any good curves config just to have an idea?
|
RE: I have a problem
Make sure the main blades are EQUAL in tightness (looseness) as this could cause a 'hula'
Check the paddles and make sure they are parallel to the cage |
RE: I have a problem
What is your current throttle curve?
Mine goes like this ... 0, 40, 65, 85, 100 and I have a 3550kv motor. The manual states 0, 25, 50, 75, 100 but I feel that is just too low. |
RE: I have a problem
I agree with the headspeed issue and the manual throttle curves are low. I had exactly the same problem until I changed the curve. I fly in idle 1 or 2. The lowest (1) curve is 95, 85, 80, 90, 95.
|
RE: I have a problem
First, thank to you guys all for you response,
Here is my crazy curves config......after thro curve:L-0% 1-65% 2-87% 3-95% H-100 Pitch (normal) L-15% 1-70% 2-80% 3-90% H-100% What you guys think? |
RE: I have a problem
Oh I forgot, I have tight the main blades using only one side, WHY? because the other side came out completely with everything on it and I didnt want to mess around with it....Should I tight both sides at the same time? putting equal force? Yes I have some HULA when the blades are stoping......sorry to ask so many etupid questions but I have being figuring this myself . Manuals are not very specific with this type of issues
Thank you all Pedro |
RE: I have a problem
OK I just readjust the pitch and throttle curves and the heli is just COOLLLLLL....no tail up/down anyomre ......now is just turning sideway,a little be right (looking nose away from me) when apply power not during hover.....However is not alot but it should not do that eh? gyro maybe? I got GY401...
Thank you guys I really appreciate you help Peter22 |
RE: I have a problem
ORIGINAL: Pedro22 Oh I forgot, I have tight the main blades using only one side, WHY? because the other side came out completely with everything on it and I didnt want to mess around with it....Should I tight both sides at the same time? putting equal force? Yes I have some HULA when the blades are stoping......sorry to ask so many etupid questions but I have being figuring this myself . Manuals are not very specific with this type of issues Thank you all Pedro Skarn |
RE: I have a problem
turn your gain up on the gyro till it wags right to left then back it off a hair
|
RE: I have a problem
OK , Ill try that.... bad weather in Miami, not good for testing :)hope tomorrow will be better the I let you guys know.
Yes Skarn, I used two wrench in both screws but one of them it was tight already since never came out, however is not huling alot Thank you Peter22 |
| All times are GMT -8. The time now is 06:42 AM. |
Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.