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HelicopterBeginners Corner › hover pitch
01-27-2007 06:12 PM  10 years agoPost 1
UNDERSLUNGLOAD

rrNovice

antrim northern ireland

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Iam only a newby at flying however i was in the hover about 8 ft and when i lowered the throttle to land the heli shot up in the air i di control it how ever it mad me build a house in my pants.
i am confused as i did not touch any settings on my tx , batterys were all fully charged.
If any one has any please feel free.

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01-27-2007 10:11 PM  10 years agoPost 2
garaptor

rrApprentice

Atlanta,Ga,usa

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Hover pitch

Im new too but I dont know how it could climb unles you dont have any negative pitch. With a good wind its hard to get one down. Be sure you have at least a couple degrees of negative to learn on and then progress to more negative (like negative 4 or 5)

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01-27-2007 10:47 PM  10 years agoPost 3
UNDERSLUNGLOAD

rrNovice

antrim northern ireland

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HOVER PITCH

Hi i looked in my manual and it says +45 to start with how ever it was not set like that today there was a slight breeze and some slight gusts . when the throttel is increased you expect the heli to lift .This was pushing down instead of puliing pitch.
i will try your advice.
regards

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01-28-2007 12:31 AM  10 years agoPost 4
Kiwitrader

rrNovice

Parrearra, Queensland - Australia

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If you have no negative pitch at all, and it climbs when you reduce throttle, then it sounds like the pitch is becoming positive when you reduce speed.
Make sure you dont have the pitch server EDIT I mean Pitch Servo reversed.

Either way, your pitch settings are not too good.
Even for a beginner you should have some negative pitch (4 to 5 degrees)
Hi i looked in my manual and it says +45
Something wrong here. maybe +4.5 but not +45.

You didnt say what model you have, but I would guesstimate a pitch setting of +5 for hovering (2/3 - 3/4 throttle), +10 for full throttle, and -5 for zero throttle.

If you reply, it wil help to tell us

What Model?,
What Radio?
Did you set up your pitch and throttle curves?
Do you have a propper pitch gauge?

Cheers

Kiwi

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01-28-2007 02:17 AM  10 years agoPost 5
garaptor

rrApprentice

Atlanta,Ga,usa

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hover pitch

Yeah I did the same thing only in reverse. I had too much negative pitch and when I got in trouble and I lowered the collective I bounced hard. Minus 4 or 5 degrees is right but I retrimmed mine to minus 2 to learn on. I didnt bounce so hard that way but its all a learning curve. ( By bounce I mean I damaged something) I have gotten a lot of info, in fact I , I swear by http://www.raptortechnique.com/ Keep it up.

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01-28-2007 05:30 AM  10 years agoPost 6
legoman67

rrElite Veteran

Nanoose Bay B.C, Canada

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ya your pitch and throttle mixing is probably messed up.. did your heli go to an idle and go up? or when you bring your thrttle down does the heli rev up? if so ur throttle and pitch are mixed up some how.. either they are in the wrong ports on the recviever or one is backwards

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01-28-2007 01:04 PM  10 years agoPost 7
Gator Fan 813

rrNovice

Tampa,FL

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The only other thing it could be is if you were hovering in a good head wind. With a 5-10 kt. gust head wind, it could jump into the air.

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01-30-2007 02:56 PM  10 years agoPost 8
tracker640

rrApprentice

Cedar Park, TX

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Don't know if you have checked, but make sure your collective servo is not reversed. Sounds like it may be if when you add more throttle the heli should lift and when you lower the throttle stick the heli should descend. Make sure when you raise the throttle stick the the trailing edge of the blades pitch downward which translates to positive pitch and when the throttle stick is lowered the blades trailing edge pitch up which translates to negative pitch. 4.5 to 5 degrees should be enough to hover. you will definitely need some negative say 1 to 2 degrees to insure that the heli descends when the throttle stick is lowered below half stick.

vince'

--"Flying is for The Birds"--
--“Rave ENV-N FBL, Hirobo EVO 90

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