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HomeAircraftHelicopterBeginners Corner › scale flying throttle / pitch curve settings HELP!!!
08-30-2013 12:28 AM  5 years agoPost 1
emederos

rrApprentice

Miami, Fl Dade

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I want to get a scale flight throttle and pitch curve recommendation for my trex 500 with hughes fuselage body. Right now im set to default linear throttle 25,50,75 and 100 what can you guys recommend to take off at half throttle and maintain a smooth lift and land without having to constantly add or take throttle to keep a straight forward flight? Also what pitch curve will be generous and smooth . When i go forward it seems to be really fast and i have to pull back fast

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08-30-2013 12:37 AM  5 years agoPost 2
Nycatt

rrElite Veteran

New York

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I would try something like this. 0 15 30 60 90 for the TC and -4 to 11* PC




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08-30-2013 12:47 AM  5 years agoPost 3
emederos

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Miami, Fl Dade

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Starting the second point at 15 isnt this going to make the heli take off before half throttle? What difference should I notice using this throttle curve as opposed to using the linear throttle curve 0 25 50 75 and 100?

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08-30-2013 12:53 AM  5 years agoPost 4
Nycatt

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New York

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It all depends on where 5* is on your radio. The TC I gave you is smoother than a linear curve.




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09-03-2013 05:18 PM  5 years agoPost 5
chris6414

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Sneads Ferry, NC USA

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First off. For scale, which is all I fly, I set my dual rates back to about 65% on the elevator and the airleron to make things not so touchy. If you have a flybar you can add weights to soften the feel up a bit also or go with a shorter flybar. Your throttle curve looks fine the way it is if the 25% is the second point. For actual"flying" not spool up, I would make the bottom(lowest stick) about 17% and the second point up to 35-45%. This would be your "stunt 1" or "throttle/idle up" setting and would make decents more scale like with power and stable HS when you flare. I used to fly my 450 with Hughes 500E body on it the same way. My top pitch was no more than 8-9 degrees. If I recall my 100% throttle was actually 80% so at full throttle the HS would not run away. I would also put about 5-7 clicks of fwd elevator for nice easy fwd flight without having to constantly adjust my right stick too much for smooth scale flying. I also highly recommend using "rate mode" on the gyro for scale flying. It really keeps the tail smooth in turns. I usually have my idle 1 & 2 set to the same curves except I set the gyro for HH in 1 for when I lift off and hover taxi in idle 1. Then when I am ready to head out, I flick to idle 2 and she switches to rate mode and off I go. Works for me on all my helos.

Edit: forgot to mention the Pitch I usually run. I like to have -5 degrees at the bottom and linear to 5-6 at half throttle(hover) and then linear to the top.

Chris

Century Hawk Sport, OS .32, Futaba 7C, GY-601 9251
Predator Gasser SE G-23, Fut 3010 servos, JR gyro/servo

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09-05-2013 06:39 AM  5 years agoPost 6
spiderco

rrVeteran

Henderson, Nevada

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I used to set my PC linear with -4 to 10 for scale flight and the TC set for desired head speed. Now, all my ships including scale are all set to -10 to +12 linear on the PC on all flight modes including hold. Stick time and practice has smooth out my flying and I've kept my pitch range.

As stated above though, reduce your end points on the cyclic and also add some expo. It'll tone down the responsiveness of the 500.

fly til its dry

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09-07-2013 02:04 AM  5 years agoPost 7
emederos

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Miami, Fl Dade

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throttle settings
I went ahead and set my throttle 0,70,70,70,70 and pitch : 37.5,60, 77.5 , 92.5 , 100. Seems to fly real tame and scale. Going to try the same settings on my 500e FBL

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