throttle curve and pitch curve what is the difference?

[Hammer_40160]

I am setting up a Raptor 50 and I set the throttle curve but I am not sure how to set up the pitch curve please help I don't want to make a mess out of a brand new heli.

[WillJames]

Have you ever flown before? What are you trying to do with your heli?

[RCfan]

Throttle curve is used to control the (throttle) servo that connects to the engine's carburator arm; basically it's used to control engine speed (rpm). The pitch curve is used to manage the (pitch) servo and controls the angle of attack of the main rotor blades; it basically moves the swashplate up&down causing the blade angle to change accordingly. On a properly setup aircraft, throttle and pitch curves (are setup to) work together to provide the best engine performance and lift control. Improperly setup curves will usually result in engine bogging down, causing loss of lift power. I strongly recommend you find someone near you with heli experience to help you setup the Raptor and/or verify it proper setup before your first flight.

[NolanManley]

Set the pitch curve Linear 0% to 100% with zero pitch at 50% THe full stick pitch should be 10 deg blade pitch and bottom stick -10 deg. Just set the ZERO (0) midstick pitch mechanically with servos and linkages all at 90degrees to their pivot points.

There are some other RC heli flyer's over there with you. Some post on here regularly. GET some help if you can or it will get expensive quick! ;)

[WillJames]

Set the pitch curve Linear 0% to 100% with zero pitch at 50% THe full stick pitch should be 10 deg blade pitch and bottom stick -10 deg. Just set the ZERO (0) midstick pitch mechanically with servos and linkages all at 90degrees to their pivot points.



Pitch Curve - What Nolan describes is the typical up to 3D setup people are flying. Some people recommend starting with less negative than positive in normal for beginners, but I believe in keeping it simple and programming all 3 modes with the same pitch range from the start. Like Nolan says +-10 should be fine with maybe 12-13 in hold. That should be a good starting point. Leave your curves set to default values in the radio. Try to leave your pitch curves default and linear.

THrottle Curve - Keep your throttle curves at 0,25,50,75.100 in Normal and 100,75,50,75,100 in I 1&2. Make sure as Nolan states that you keep your throttle arm, servo arm and the pushrod at 90degrees so you get linear travel. Set mid stick throttle at just a touch above the 50% index mark on the carb barrel.

Try to use minimal(none if you can) subtrim and also try to keep all your ATV(Endpoints) as close to 100/100 as you can. To do this you want to start at the servo and work your way up to the swash as you move through each servo.

That is a basic outline for help taking the fear factor out of the manual for radio setup. Anybody got anything to add/clarify/help?

[porsche]

The only thing I think of is that if he is this new he should really look into a BEGINNERS set up. That is to say he should be at hover at mid stick, maybe +9 at top pitch and +5 at mid stick and maybe -2 or -3 at low stick. Plus he should have the R50 links set to beginner status. What do you all think ?? Alan

[NolanManley]

I disagree. I think it's stupid to try to learn at half stick and then change later. That is the OLD way of doing things and unless you gonna putt around or fly scale only, there is no need in it.

The setup on the radio will be MUCH less confusing to the newbie if they just set it up linear and learn to hover a just above half stick hover. Todays heli's will hover at less than 3/4 stick due to weight savings in the current manufacturing process and the improved blades made today.

Just K.I.S.S. (Keep It Simple Stupid) :shock: it and learn to do it the way you'll fly 99% of the time. :cool:

[Hammer_40160]

thank you for the information I just got in to heli's I got a Raptor 30&50 but I am learning on the 30 but my friend went back to the States and I wanted to learn how to set up the 50 I got a Jr 9X radio I read the instructions on the pitch setting's and set them but there is no throttle curve and pitch curve setting there is only for 3D settings and I don't want to put those in. There is a other heli guy at the field I think I'll ask him to help me I don't want to hurt anybody or crash a new heli . One more question can you use the defult setting? sorry for the long post :dontknow

[NolanManley]

You mean the radio default? On some things yes but on most you'll have to tweak it some. Your 9X is a pretty flexible radio to program. The most important thing is to get your mechanical setup, (at half stick, 50% throttle and servos 90 degrees as mentioned above), correct first with radio default settings.

There is a other heli guy at the field I think I'll ask him to help me I don't want to hurt anybody or crash a new heli .
Very good!
:D

[NolanManley]

Hey Will, Time to do a newbie heli setup Video on a standard type mixing heli. Raptor, Sceadu, Gohbee ... etc. :D :noteworthy YOU ARE DA MAN!

[Bluefuzzyone]

Do you set the throttle and pitch curves the same on an electric helli as mentioned for the fule helli's ? :?

[NolanManley]

Pitch curves, Yes. Throttle, No.

There is a lot of info here on the T-Rex's about throttle settings and stuff here on HeliFreak. Just hit the search button. ;)

[Russ McC]

Nolan

You’re coming off way to strong, by saying Allan’s idea is stupid is the same as saying he is stupid. We don’t flame people on this sight for constructively giving there ideas and opinions. I hope this was not your intent and I under stand your point of view but you can still express it without
Indicating some one else’s idea is stupid.

I think I am a pretty good heli pilot and in my opinion you are both right. I have started people off in both the ways you have described. If the newbie is 35 and older and has never done any RC flying of any sort I will go with Allen’s method, then when they can fly around and come back I help them change to a sport/3D setup and they never have any trouble adapting, that is to say the ones that get to the point where they wanted to go to this setup had no problems. If the newbie is a kid or has already displayed the ability to fly RC fixed wing I will start them on the sport/3D setup.

I have seen too many of the very new RCers slam there helis into the ground when they panic and have lots of negative pitch. So for me it just depends on who I am helping and when you don’t know who your helping I would tent to go with the beginner setup but the main good point I have heard hear is to find local help :glasses2:

[porsche]

Russ and Nolan, GET local help "if avalible" is the best advice this is true. My only point is that maybe a soft flying heli is the way to go for a true beginner so that the panic part dosn't happen. I was only repeating what I have read and seen on "beginners" videos for learning to hover. Alan

[Russ McC]

Hi Allen, You will get no argument from me on this point :!:

[NolanManley]

I understand where your coming from Alan.
But panic is something that must be overcome Quickly and a false blanket in setup is not the way to learn the importance of it. I see way too many heli's setup so soft with expo or limited pitch that the student is always chasing the heli instead of controlling it. ;)

During my first flight lessons in a real aircraft, my instructor told me "The only time something is really hard is the first time". He was right. Management of flying is much harder than controlling the aircraft.

There is no excuse for anyone to not either buy or borrow a flight simulator to get past this part and to hovering at least. If a newbie can't afford to do that they can't afford this hobby and will more than likley run out of funds and fail anyway. Seen that happen too.