sniperironman

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hey guys i had a couple questions well last night i was looking at my heli and watching some pitch setting videos after watching some iwanted to try it out my self but i must have done it wrong or something or missed a step it i started off by grabing my gauge put it at zero pitch then with my receiver i pulled the throttle stick at half way with all my trims centerd and swash ceneterd while placing the guage on the blades notice it was off a little my fly bar wasnt lining up to the top of the guage to make a long story short i "fixed" that problem by shorting the links or extending them as the video says till you are level reading zero pitch at mid stick with my throtle curvs of 50-80-90-100 well today during my lunch break i was going up for hover but just took forever befor i could get it off the ground as if on idle up and when i did get it hovering i would try landing and it would come down slighty hard from about 4 feet no damage was done i stoped after two attemps can some one please help me out or lead me to a video on how to set up pitch for just basic hovering ? the heli was running great i mean i havnt changed nothing on there sense i got it only a new stock esc and changed the blades to 325 cf and couple other parts from a crash that happend last week it ran perfect to me this whole week was doing great but i just thought i would try learning and i guess got no where haha...again my dx6i throtle curv is 50-80-90-100 should i set it back to factory setting befor fixing pitch or what? thanks !

Druss

you've basically set the throttle to 50% power at bottom stick position. set the throttle curve back to 0-25-50-75-100 (in normal mode). then go into idle up mode programming and make sure the pitch settings are 0-25-50-75-100 and throttle curve is 100-75-50-75-100, this will give 0 pitch at mid throttle stick (in idle up). then to set the pitch correctly disconnect the motor, flip into idle up and go to mid stick THEN set the pitch at 0. go back into normal mode and you should have around 3 deg pitch at mid stick.

sniperironman

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sorry forgot to mention i have it at 0-50-80-90-100 now druss will this set everything back to normal? i just wanna hover no idle up stuff ill try it out as soon as i get out of work thanks!

Druss

regardless of whether you want to fly in idle up or not the correct way to set the pitch is in idle up... what you set your throttle curve to really doesn't matter except for the fact that your throttle curve in your original post was starting the heli at 50%. start at 0 and end at 100 and set the other three to whatever you want.

sniperironman

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oh ok now i get you for some reason i understand stuff that is explaind on here better then a manuel would... i know weird but thanks once again for the help!

Druss

one thing to remember is that when you look at the pitch curve settings (0 to 100), it can be a little confusing because 0 = full negative pitch and 100 = full positive pitch, 50 = 0 pitch. So if the heli has a full range pitch of -10 to +10 then changing the pitch curve on the radio by 10 = 2 deg of pitch of the blades. As you can see how much pitch changes will depend on the full pitch range the heli is capable of.

SeaComms

I checked mine today (straight out of the box, no mods or alterations yet)

In idle up mode, stick down is -10*, centre is -3* and full throttle is +8* (and the flybar cage binds on the blade grips).........

I then checked it in normal mode... -6 at idle, -3 at half throttle, +8 at full throttle...

Now I understand why when I got into strife on the third hop up, I busted the blades by them hitting the training gear!!! I was only about 12 inches off the ground and the trims seemed way out and it was leaning forward at a rapid rate so I throttle down and it slammed into the ground, the negative pitch causing the blades to flex right down to the ground!

One bent spindle shaft, one bent flybar, one stuffed blade and one ball off the training gear flying 20 metres further than the heli ever has [:@]

Not happy..... Now adjusting everything properly before trying again!

sniperironman

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ok i got home and did everything you said and still no luck it seems like it is just staying stuck to the ground till i get to the very top on my stick i set my throttle curve like you said 0-50-75-100 and my stunt mode to 100-75-50-75-100 when i unplug my motor and flip the idle up and center the stick my pitch reads 0 level with the fly bar and with i normal and stick center it is two lines below 0 -2 deg pitch im using the eflite pitch guage em i do something wrong? i shouldnt of messed around with it now i cant use it lol there was nothing wrong with it to start with and a screwd it up just seems like its not become light anough to come off the ground at mid stick please help again thanks!

Druss

what is your pitch curve in normal mode?

sniperironman

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pitch curve on dx6i normal 35-45.5-50-75-100 stunt0-25-50-75-100

throttle curve normal set to how you said 0-25-50-75-100 stunt 100-75-50-100

i think i got confuced on something you might see it i dont haha thanks!

Druss

I'm assuming you have 5 point curves for both pitch and throttle in both normal and idle up?

your curves should more like

Normal Mode:
Throttle 0-25-50-75-100
Pitch 35-50-65-85-100

Idle up:
Throttle 100-75-50-75-100
Pitch 0-25-50-75-100

5 points for everything, you had only 4 points on the idle up throttle curve

with your pitch curve in normal mode you'd only have 0 pitch at mid stick... you want around 2-3 deg at mid stick.

sniperironman

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hey druss thanks once again! i think i get you know i think the error was i set my heli for zero pitch when im always on normal i should actualy go back to my transmitter set it up just like you have here
Normal Mode:
Throttle 0-25-50-75-100
Pitch 35-50-65-85-100

Idle up:
Throttle 100-75-50-75-100
Pitch 0-25-50-75-100

then disconect my motor flip transmitter to idle up bring stick to center and put my gauge back on and make it read -2 or -3 ?

im guessing that will let me come of the ground easly and land a little softer?

im really sorry if im geting anoying lol...

Fly To Chill

My Feedback: (20)

Druss do you set the pitch on the heli in idel up mode mid stick is 0 deg?

SeaComms

Yes, but I would suggest the first thing you do is mechanically align everything. I have just done this and it took me bout 2 hours.

Before I started I checked the pitch settings, and as above they were way out - but not only way out on the full travel in idle up of -10 0 +10 (was -10, -3, +8), it was bout 2 degrees different per blade....

Step one, check the servo horns are as close to centre as possible with no trim set. One of mine was one notch out (left side one standing from behind). Once close as mechanically possible to centre, you can use subtrim to get them closer, but try not to use too much or you may have binding issues at full travel. Once all square, adjust the linkages running up to the swash to get it square with the shaft. Adjust left / right first, then front rear (as the left/right adjustment will effect the front/rear setting).

Then, make sure pitch curve in the TX for idle up mode is set for 0 degrees at mid stick (50%), DISCONNECT MOTOR then fire it all up. Check and adjust linkages from swash to blades (the long ones) for 0 degrees pitch. Check low and high stick, should be around +/- 10 degrees.

Then use the pitch curves to set where you want for normal mode, ie, 50% is 0 degrees, so if you want it light on the skids at mid throttle stick, you will need over 50% in the mid position of the curve (round 60 or so, experiment til its like you want).

Also make sure the low stick position is not to low a pitch setting, I have mine set at 40% which gives me about -2 degrees (factory out of box setup had me at -6 and caused it to slam down damn hard on the first few fiddles, bending feathering shaft). Just bear in mind, with factory default throttle curve you are only running at half speed at half stick, so too much pitch will cause the motor to bog down.

SeaComms

<<<<NO>>>> You want it to read 0 degrees at centre stick in idle up mode (50% on the pitch curve) - always. Once there, you adjust the pitch by the pitch curve, not the linkages.

bassplayinDude

don't forget to also make sure the swashplate is level at full negative and positive pitch as well. It might take some endpoint travel adjustments as every servo has a slightly different range of travel.

sniperironman

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alright im gunna go set it all up today when i get home the only linkange that i moved were the ones connected to the grips but let me know if im doing it right

turn on heli and TX have everything centerd swash lever horns centerd or atleast as close as possible trims centerd ....

and set my TX
throt norm: 0-25-50-75-100
throt stunt: 100-92.5-65-92.5-100
pitch norm: 35-42.5-50-75-100
pitch stunt: 0-25-50-75-100

now im gunna disconect motor flip to idle up put set stick to center "50" my gauge should be lever to fly bar reading 0 pitch

flip swich to normal and put stick to center "50" and should read at least -2 or-3 pitch

place stick "100" and should read +10 and -10 when stick is down

does this look like i will start off correctly or did i miss something once again lol i actualy found those pitch and throttle curvs on heli freak thanks everyone for the help

Druss

See my edits above.

In reference to the pitch settings in normal mode, 50% pitch is 0, you want more than 0 at mid stick

sniperironman

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hey so i didnt do so bad almost looks like a correction on essays back in high school lol fragment fragment fragment thanks for all the help druss this one looks like it should really work ill let you know how turns out 7 hours from now haha

evdreamer

In normal mode at zero throttle I have it set to -3 degrees of pitch then at 1/2 stick I have 0 degrees of pitch like Druss said. Also when in idle up mode and your - and + pitch values aren't the same you can raise or lower the swashplate pushrods equally to make the values equal.

Nick

sniperironman

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ok got home about 2 hours ago did everything you said still no luck i did everything exactly as you have said and when i try go up nothing happens so what i did was held the heli yes i know big no no well it seems like when im pushing stick up its forcing its way down??

sniperironman

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wait my bad let me go set it all up again i didnt even change the pitch cuver on idle up.......

evdreamer

What kind of pitch are you getting in normal and in idle up. This is what mine is.

Normal Throttle
0, 25, 50, 75, 100

Idle up throttle
100, 75, 50, 75, 100

Normal Pitch
35, INH, 50, 75, 100

Idle up pitch
0, 25, 50, 75, 100

In Idle up I get -11 to +11 degrees of pitch.
In normal I get -3 to +11 degrees of pitch.

Nick

sniperironman

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hey you guys i got it going well inside my living i think im just scared to brin it up knee hight so it sorta goes down little fast im thinking.... but tomarrow i will find out for sure but one last question my fly bar paddles can that have any play in whats going on? should those be reading zero pitch and level sesaw? thanks

Druss

the flybar paddles should definitely be 0 pitch, line it up with the head button or something.