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Heli-Max . Scorpion Power System . Ron's RC Helicopters
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Synergy R/C Synergy N5 N7 N9

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Synergy N5
Getting the N5 ready for the new GY750.
thenewguy

Elite Veteran

Corvallis, Oregon Where there is liquid sunshine!

I can't wait, am so happy they pushed the ship date forward for the GY750. I had a slight mishap with the N5 last Sunday and just decide to get it ready for FBL. Using Lunsford racing turnbuckles M3.

So excited!

My N5 is the best flying heli I have owned to date. My fully modded N9 gave it a serious run for the money. I go through big withdraws when I can't fly it. My Rave ENV just does not fill the void.

Thanks,
Chris

02-27-2011 Over year old.
OICU812

rrMaster

Edson, Alberta, Canada

Looks great Chris! Only thing I don't like about the Dvinci and Lunsford adjustable rods is that center piece adds abit too much strength. Where previosly in a crash I'd bend the normal rods and servos would be fine, these beefed up ones put more of the abuse to the servos in crash. No biggie but just to note!

...Once upon a time there were Nitros, flybars and frequency pins...

02-27-2011 Over year old.
thenewguy

Elite Veteran

Corvallis, Oregon Where there is liquid sunshine!

That is very true, if you beef up something it will fail some where else.

Thanks,
Chris

02-27-2011 Over year old.
RotorHead486

Key Veteran

England

Hey Chris,

What size turnbuckles are you using there?

Cheers!

One Reason For Crashing'Rogue Servo Bent on World Domination'!!
FLP Flight Team

03-15-2011 Over year old.
HOMEPAGE  
thenewguy

Elite Veteran

Corvallis, Oregon Where there is liquid sunshine!

M3

Thanks,
Chris

03-15-2011 Over year old.
RotorHead486

Key Veteran

England

And What length Dude?

One Reason For Crashing'Rogue Servo Bent on World Domination'!!
FLP Flight Team

03-15-2011 Over year old.
HOMEPAGE  
thenewguy

Elite Veteran

Corvallis, Oregon Where there is liquid sunshine!

I have my FBl head at the lowest setting, so the turnbuckles are 2 1/4 inchs long. Here is the link: http://www.lunsfordracing.com/mm5/m...tegory_Code=3MM

Thanks,
Chris

03-15-2011 Over year old.
MMA0419

Heliman

Allentown, PA USA

They work great!! I've got them on the FBL E9, the only thing is the reverse threading on the opposite ends can have you "chasing" tracking on the blades! I remeber you telling me this Chris and I experienced it myself for about an hour and a half!

Sean

BOOM! Left hook... that just changed the fight..

03-15-2011 Over year old.
thenewguy

Elite Veteran

Corvallis, Oregon Where there is liquid sunshine!

Yes, very small adjustments for tracking. Very small.

Thanks,
Chris

03-16-2011 Over year old.
thenewguy

Elite Veteran

Corvallis, Oregon Where there is liquid sunshine!

Come on GY750!

03-21-2011 Over year old.
HyperDave

Heliman

Hillsboro, Oregon

Got mine from tammies yesterday. Head should be here next week.

03-24-2011 Over year old.
thenewguy

Elite Veteran

Corvallis, Oregon Where there is liquid sunshine!

Been test flying tonight.

Fighting some vibration issues, think I got it figured out. New blades out of box seem to be different weights. Trying a new set of blades tomorrow. We'll see what happens.

First set up only took about 45 mins. Tweaking has been taking a while because of blade vibration. If the vibration is gone tomorrow I will be able to dial up the gains.

Happy so far with the over all feel. I should be able to have it all dialed in this weekend and will report back.

Thanks,
Chris

03-24-2011 Over year old.
RCHeliWorks

Veteran

RCHeliWorks

I heard yesterday that the gy750 will only work with futaba radios right now

Is this correct?

RcHeliWorkz.com , ElyQ Dist, Rapicon US warehouse, SWE Blades US Dist

03-24-2011 Over year old.
HOMEPAGE  
haq0901

Veteran

Miami, FL USA

YES^^^^^

03-24-2011 Over year old.
thenewguy

Elite Veteran

Corvallis, Oregon Where there is liquid sunshine!

Right now, yes that is correct. They will be releasing a adaptor for other radios. Not sure when.


Going out tonight after work to get some more test flights in. So far so good. I'm not going to says it's the best on the market because I don't have any real time on it yet. I'll list some pros and cons so far though.

I have been waiting a while to go FBL again. Hope this fits my needs. I think it will. I like how simple it is to make adjustments while the helicopter is still running.

Pros:
Easy to set up
Very easy to make adjustments to while at the field. Only need a small poky tool.
If you are a Futaba guy, you will love the S-bus. Very simple.
Mount the sensor and forget about it. No special tape or worrying about how it's mounted for vibration.

Cons:
If you don't have a Futaba radio, sorry.
Knowing how the geometry should be for the head is not 100% clear.
Not sure if it has piro comp.
No software update for the 10C to take advantage of the new gyro menus.

If it has piro comp or not, it does not bother me that much. I have seen other ask about it. I piroed the crap out of it last night and it did just fine. Found away around the issue on the 10C and gyro menus, very simple.

The N5 is working good with this set up so far. I'll have more info tonight.

Thanks,
Chris

03-24-2011 Over year old.
ssmith512

Veteran

Indianapolis, IN USA

Small "poky tool" sure beats the laptop! LOL! Great naming!

Thanks for the update, look forward to a more indepth review.

Steve

03-24-2011 Over year old.
thenewguy

Elite Veteran

Corvallis, Oregon Where there is liquid sunshine!

Steve,

Once I get it all tweaked in I will do a long write up of my settings and what I have found that works for me. I enjoy doing this type of stuff. Not that I should be allowed because of my spelling and grammar. heheheheheh

I am still a little confused about certain numbers an whether they are good or bad where I have them. I will figure this out with a little time and ask certain other people some questions.

Thanks,
Chris

03-24-2011 Over year old.
mylee

Veteran

Rochester, UK

Chris,

Interested in your 10C info please. Guys at our field have dumped there 10's and bought 12's cos of the software updates.

Cheers

Ian

03-25-2011 Over year old.
thenewguy

Elite Veteran

Corvallis, Oregon Where there is liquid sunshine!

Well,

The only thing you don't get on the 10C is being able to adjust the gyro gain from the radio for ALR/ELV. You do need to be able to put the ALR/ELV gyro back and forth from AVSC to Normal. This has to do with the trim flight.

When the GY750 is all connected with the S-bus you should be able to assign channel 9 and 10 to a switch. Channel 9 and 10 are the Ail/Elv gyro gains. You can set that switch up so the gyro gains go from AVSC to Normal. Once you have done this you can do the trim flight and have it save the settings just by toggling the switch. Bobby Watts explains this in his set up video.

Once I get all my stuff tweaked I will explain in further detail. If you have specific questions, just ask.

Whats funny is adjusting any setting on the Gy750 only takes seconds. I have been flying with the canopy off and making gyro adjustments with a quick landing. No laptop, just the poky tool. The 10C is working perfectly fine in this application. I don't need the extra gyro menus.

Thanks,
Chris

03-25-2011 Over year old.
thenewguy

Elite Veteran

Corvallis, Oregon Where there is liquid sunshine!

Just a update.

I was getting a surging with the governor on the GY750. I had this on the GY701 also with what little time I had it on the heli. Only about 4 to 5 flights with the GY701. The surging was also having a effect on tuning the gyros. I am running a FUT9650 on the throttle.

It ended up being the governor gain. You can adjust this setting in the advanced menus. There are 3 choices in these feature. Moderate/Middle/Quick. I ended up on Moderate and that fixed the issue.

This allowed me to start adjusting the ALR/ELV gains to a point where they worked best. I have them close to where they need to be. Not sure if the numbers are in the correct scope to the pro pilots. They are working for me though.

I ruffly have about 14 degrees of pitch and 9 degrees of cyclic. The O.S.55 regulated seems to pull this just fine even on extreme maneuvers.

I am not sure if my ARF are correct, but they seem to be Okay. I know they would be better if I changed the servo wheels to 10mm.

My set up so far:

I have the head lowered all the way down on the main shaft. It gives a very sweet look to the N5 that I like. This might not be ideal for the geometry to use the GY750 with. This has put the swash lock right up against the bottom of the head.

After my first set up I saw that I had more room on the bottom of the swash throws then on the top. With the swash all the way up and full cyclic it would come very close to hitting the bottom of the swash lock. I then lowered the whole swash 6 full turns on the links. Then adjusted the main grip links back to have 0 degrees at half stick. This worked perfect.

I have lift the servo links at 13.5mm. I tried it at 10mm and was not 100% sure about my setup. I have heard conflicting ideas on where it should be. I plan on adjusting this back and forth several time to find the optimum position. With the servo arms at 13.5mm this has given me a ARF ALR/ELV value around 60, the upset is the pitch ARF is at 32. From my understanding this is not that good. It needs to be higher. As I stated above I plan on switching this around to find out what works best. With these ARF values it gives my 14 degrees pitch and 9 degrees cyclic.

I have been trying to dial in the gyro gains. I have heard that values should be high around the 100% area. Mine are no where close to that. Not sure if it's correct. My Ail gain is 44 and Elv is 45. I have tried adjusting these up and down and these seems to be where it likes them. I also believe my head dampening is to tight. I think this will have an effect on the gains. The stock shims on the N5 FBl head where 1mm. This makes the head very tight. I would like to try a .70 to .90mm shim. making the head a little softer maybe allowing me to dial up the gains. Again I'm not 100% sure about this.

This is just what I have found so far on the N5 with the GY750. I plan to keep on adjusting until I have the perfect set up. The heli pulls the 14+/- very well with 9 degrees of cyclic also.

I will be flying all weekend making adjustments.

Matt if you have suggestion on this set up please let me know. I am always open to ideas and trying to dial the heli perfect.

Tired!

Thanks,
Chris

03-25-2011 Over year old.
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Thunder Power RC . Mikado . Futaba-RC
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Synergy R/C Synergy N5 N7 N9

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Synergy N5
Getting the N5 ready for the new GY750.
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