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02-11-2008 02:22 AM  10 years agoPost 1
fenderstrat

rrProfessor

Aston,Pa

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the same questions seem to keep comming up so I thought I would do a little post to save time and help out........if you are setting up a new TX dont be so concerned about what anyones settings are.....unless your set up is IDENTICAL....I mean identical...same servos, same servo arms,and same links,same head(metal/plastic),same tail(servo/gyro/metal /plastic)your settings may be completely different........take the time to learn what each menu does and how to program it....therefore you can make changes to your settings as you wish......it seems many are watching these vids and copying(which is a good starting point)...but not taking time to learn the theory and WHY of it.....knowing the WHY and HOW of something will be better in the long run....your next heli will take a half hour to set up....and you can pass along knowledge to others....the TX programming is easy if you break it down,and makes sense,just take a small ammount of time now....it will pay off in the long run.........if you have any TX questions feel free to post here........FENDER

disclaimer.............I am in no way trying to say anything bad about ANYONES videos...they are a great starting point,and contain lots of great knowledge,and are VERY helpful.......I am just saying take the time to learn the reasons for things and you will be that much more knowledgeable about your own equipment

Compass helis Support Team
PerformancePlusRC field rep
Mini Titan/SE
TEAM KBDD

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02-11-2008 04:06 AM  10 years agoPost 2
Gregor99

rrElite Veteran

Western Wa

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Here here! When I setup the DX7 for the Blade CP using MicorManic's setup, I felt as if I had really missed out on a good learning oportunity. When I setup the HBK2 I did it from scratch and didn't follow any setup guide. It was a learning experience and it took some time to figure out all the mistakes I had made. But I'm better for it.

I guess the only areas I haven't looked into is RevoMix as I can't see where it would be used and dual rates which I believe I are only for plankers. I'm currently using my DR switches to set the EXPO for the cyclic on the fly. There is also a feature in the DX7 that allows you to tie the gyro gain to the mode switch. A little more for normal mode and a little less for stunts. I have played with it.

Here were a few of the mistakes I made along the way. I'm sure there were little mistakes and learning opurtunities along the way. These are the only big ones that come to mind.

1) Pitch range for normal mode was linear from -2 to +10. Hover was mid stick. This is bad because when you switch to idle up, the pitch drops. Now my normal mod crosses mid stick at 50% same as idle up.

2) Gyro and tail servo were both reversed. The tail blades would deflect in the correct position but the gyro would spin the heli wildly.

3) Throttle in normal mode was liner from 0% to 100%. The meant mid stick was 50% and hovering was about 65%. I now have it ramp up quickly so its 80% at midstick and 90% at hover.

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02-11-2008 04:31 AM  10 years agoPost 3
TJinGuy

rrProfessor

Socorro, NM - USA

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I agree 100% with fender. Understanding the PROCESS of setting up a heli is very important. It is not the numbers it is the result. Today, before I broke it, my heli was set up so sweet. It lifted off straight and right at 70-75% throttle. There was no need to adjust trims. I can honestly say I understand how I set it up and I know I can easily do it again and again to get the same results. Thanks fender I owe you.

That aside, I have been thinking of putting a simple web site together that has a list of processes on it. Like how to replace a main shaft or how to set up a new gyro. Nothing should be model specific. I think it would be super handy. I would require some help. Any thoughts?

- Chris

Team New Mexico
TJinTech

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02-11-2008 04:52 AM  10 years agoPost 4
fenderstrat

rrProfessor

Aston,Pa

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revo mix was used in the days before HH gyros....it adds tail(rudder)to the throttle mix to keep the tail from swinging out when giving throttle......since the relatively cheap HH gyro is everywhere now.....revomixing is obsolete.....when using an HH always make sure revo mixing is inhibited(inh)....a lot of scale guys use revo as I think it gives a more realistic flight,...the tail follows more on turns as on a real heli

dual rates can be used on helis especially on the tail if you want to slow the piro rate down,but keep the gyro settings for max performance at one setting and set the other D/R for a softer feel,slower piro
I can honestly say I understand how I set it up and I know I can easily do it again and again to get the same results.
thats my point exactly...thats whats important...knowing what to do and how to repeat it....cause we all know,its gonna need to be set up more than once.....TINGUY...what happened??

Compass helis Support Team
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02-11-2008 05:14 AM  10 years agoPost 5
TJinGuy

rrProfessor

Socorro, NM - USA

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What happened? ... I suck at flying helis It's all cool though because I got to hover it a bit and I almost made it through my very first battery pack (actual trying to fly it battery pack) but right there at the end ... it got a little too much nose right and then just a little two much right aileron ... oh no it is really drifting right and smack. Now I need a few new parts.

- Chris

Team New Mexico
TJinTech

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02-11-2008 05:30 AM  10 years agoPost 6
Burlyman38

rrKey Veteran

Troy,IL

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WHat would be nice is a better description of each setting and how changes to those settings effect the heli. The 6ex has good instruction on how to CHANGE the settings and a BRIEF description as to what it does, but not the effects.

That is what took me a while to understand was the swsh set up on it. Because I had some servos in different postions as Fender and Tryan, but because I had a and e channels both set at positive numbers it worked out the same. Nothing in the manual explained that one.

While I agree that you need to learn the radio setting and how to set it up, you HAVE to have a decent starting point. That is one of the most difficult things about this hobby, no instructors standing beside you to point things out, show you how to fix things. But I guess that is what weeds out the field of guys who really want to learn how to fly, or are just trying to use the heli to pick up chicks! Yes, thats right, I said it. To pick up chicks. At least until I smack them with the blades, then they leave, mostly crying, or yelling, and sometimes promising a lawsuit, maybe a protection order or two thrown in for good measure, definately some cursing, and dont forget the errant finger, and my personal favorite of getting their boyfriend Bubba.

TripleB
Flying by the street light.

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02-11-2008 05:41 AM  10 years agoPost 7
jwhitacre

rrKey Veteran

Tarentum,PA- US

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The good thing is you can talk about it with a smile Keep practicing that hovering in all directions and it will get you out of those situations I about went nuts working on hovering for pack after pack trying to resist going out and let it "spread it's wings" After a "situation" that came up 2 weeks ago I'm glad that I did or my bird would be trashed
http://www.youtube.com/watch?v=QaGv6-JDtSw
Right at the end coming into land I got a good gust of wind which sent me for a ride

Depleting the world of parts, one crash at a time!!

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02-11-2008 12:01 PM  10 years agoPost 8
DougsRC

rrProfessor

Mass.

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Another Great Thread Fender, Its true the same questions about TX's do seem to pop up alot, it would be nice to kinda have them all in one thread. I myself will be needing this threads help when I finally get out of the "stone-age" I gatta get a programmable radio ASAP

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02-11-2008 01:36 PM  10 years agoPost 9
fenderstrat

rrProfessor

Aston,Pa

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Because I had some servos in different postions as Fender and Tryan, but because I had a and e channels both set at positive numbers it worked out the same
HHHHMMMMMM.....would you elaborate on this one,something doesn't sound quite right

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Mini Titan/SE
TEAM KBDD

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02-11-2008 07:25 PM  10 years agoPost 10
Burlyman38

rrKey Veteran

Troy,IL

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in a nutshell side by side comparisons of the settings tryan always posts for initial setup and what I had to do:

servo Tryan Me
1 N N
2 R N
3 R R
4 N R
5 N N
6 R R

Swash

A +50 +50
E -50 +50
P +40 -50

Now I now that the #4 servo for the tail is just a matter of which way you have the servo mounted. But, the # 2 servo I had to have switched. With tryans set up in the radio, I would go negative swash with positeve input from the sticks. Also the right and left cyclic were reveresed. So I made all the servos move in the same direction when I moved the throttle, irregardless of the correct direction or not. Once they were moving in the same direction I then went to the swsh channel P and either made it + or - to make it go the correct direction. Now I just had to make A and E + or - to get the left and right cyclic to go the right direction.

Once this was done, all movements went the right direction in normal and idle up. All that was left was to tweak the "level" of the settings to my preferences.

TripleB
Flying by the street light.

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02-11-2008 07:39 PM  10 years agoPost 11
slider46

rrProfessor

Ocala Florida

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Nicely done triple B Now I bet you truely understand how to setup the 120* swash plate, Also you are now the resident pro on swash setups.... Good job figuring it out...

Tom..... No "D" flying....

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02-11-2008 07:44 PM  10 years agoPost 12
Burlyman38

rrKey Veteran

Troy,IL

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As with everything so far slider, it just comes down to asking the right questions, sifting through the answers, and then just plugging away to see what works for you. Everyones help is great, but it still comes down to you spending the time to learn it.

TripleB
Flying by the street light.

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02-11-2008 10:02 PM  10 years agoPost 13
slider46

rrProfessor

Ocala Florida

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I like that attitude big guy.... You will be the king of the kings pretty soon... Once you have mastered the radio setup and mechanical setup on the heli your going to find it very easy to do those things that were so hard to do before.... Remember this... "Setup is everything"

Tom..... No "D" flying....

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02-12-2008 12:50 AM  10 years agoPost 14
fenderstrat

rrProfessor

Aston,Pa

My Posts: All  Forum  Topic

WHat would be nice is a better description of each setting and how changes to those settings effect the heli.
here's a list and basic description of the functions on a FUTABA T6EX

servo reversing......gives the ability to change servo direction from the TX...makes using any brand of servo possible

D/R...Dual Rates....you can change the total throw of the TX sticks to adjust the sensitivity of the TX controls......for example if you set the D/R of channel 4 to 75%...when you give full stick,you are only really getting 75% of the total travel...you can use this to slow the piro speed without changing any EPA/ATV setting or affecting the mechanical settings of the heli.also can be used to make the heli less sensitive for Fast Forward Flight...there are two settings so you can have normal and less sensitive at the flick of a switch

EXPO...EXPONENTIAL.....changes the movement of the servo at or near center...adding NEGATIVE expo on a FUTABA(positive on JR)makes the servo less sensitive near center(total throw or movement at full is not affected)this is very helpful for making the heli smoother in a hover and the controls much less sensitive...so small stick movements dont give a "jerky" feel to the movement of the heli

EPA/ATV...End Point Adjustmant or Travel Value........the ammount of total throw a servo will have...sets the endpoints of the servos travel....please note on many HH gyros ATV/EPA does not limit the servo movement to prevent binding...it adjusts the piro rate

TRIM.......sets small changes in the center position of the servo

throttle curves....the percentage of throttle the motor sees with regards to a certain stick postion....0-50-100...means 0 throttle with stick at bottom 50% throttle at mid stick and 100% with the stick all the way up

pitch curves.........controls the ammount of pitch the main blades have at a given stick input...these are tied to the same stick as throttle but are set independantly...depending on the feel and flying style you are trying to achieve

throttle hold.....disengages the throttle but still gives control of collective...used in auto rotations and many times as a last resort before a crash to minimize damage....also can be used as a "safety" when working on or moving an armed heli

revo or revolution mixing....used to send a mix of rudder to throttle to assist the tail from kicking out when the heli is given throttle...mainly as an assist to RATE gyros,to help control the tail in hard punches......should not be used with HH gyros

gyro gain........controls the signal sent to the gyro that determines sensitivity...usually controled by a 2 position switch so it can have 2 settings one for RATE and one for HH....the higher the setting the more signal or gain the gyro sees

swash mixing.....enables you to program mixes so 2 commands can be given at once from different channels...such as elevator to throttle,or aeileron to throttle.....used to help when the heli's headspeed is changing from cyclic input...this I'm not real familiar with so someone else may add some

swash menu......contols the throws of your cyclic and collective inputs...the elevator controls how far the servos move when giving for/back commands...aeileron controls servo throw when giving left /right commands...pitch controls your total main blade pitch....a higher percentage gives more movement.......assigning a negative or positive value changes the controls direction......this function does not control individual servos it controls groups of 2 or 3 servos,that move together in order to control the heli.....individual servos are controled in the rev and EPA menu....group functions ELEVATOR ,AEILERON,and PITCH are controled here

Fail Safe.......sets the servos to a predetermined point in case of signal loss...ie if the rx loses signal the cyclic servos go to level and the throttle goes to idle

hope this helps...its only basic info and in no way complete ,just a start,anyone feel free to add anything they think will help

Compass helis Support Team
PerformancePlusRC field rep
Mini Titan/SE
TEAM KBDD

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02-12-2008 01:26 AM  10 years agoPost 15
Daltuch

rrNovice

Seattle WA

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I learned about swash mixing in RC Heli Magizene and have been using it ever since. When cyclic control is applied, the main rotor speed will slow down due to the increased drag of the main rotor blades. Increasing the throttle with cyclic input (one mix for elevator one mix for alieron) will offset this. Some radios like the DX7 have a third mixing function which most people use for rudder to throttle mix When rudder control is applied in the direction that reduces tail rotor pitch, the main rotor speed will increase due to reduced drag from the tail rotor blades. The opposite happens when the pitch is increased so increasing or decreasing the rudder to throttle mix will offset this. The values I often see used are 15%. You can test it by moving the cyclic while it's sitting on the ground with a really low headspeed and when you give it cyclic the headspeed will speed up a little bit.

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