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HelicopterMain Discussion › Gyro location
12-14-2008 07:41 PM  8 years agoPost 1
flatsman9

rrApprentice

Florida

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Got a question about the gyro this time. I'm building a 600nsp and it gives the option of putting the gyro to the rear of the main shaft, as I did on my raptor, or it has a mounting bracket that goes in front of the main shaft. Which would be better? Thanks

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12-14-2008 07:46 PM  8 years agoPost 2
TaleGunner

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Deer Park WA

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Doesn't matter use placement for balance I put both of mine behind

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12-14-2008 08:19 PM  8 years agoPost 3
JetFire

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The Golden STATE

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placement for balance
Agree. My 600N always appears to be tail heavy.

But in actuality, its personal preference. Got mine mounted in the front right on top of my cyclic servos... no mounts necessary.


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12-14-2008 11:33 PM  8 years agoPost 4
flatspins

rrNovice

cambs, uk

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If you strip the tail gears in the front gearbox, you will have to remove the gyro if it is at the back.

I moved mine to the front after the 1st time I stripped them.
Now got a square of adhesive above the gearbox that I can't remove for love nor money.

Put it at the front

I now know how much money this hobby is going to cost
ALL OF IT!

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12-15-2008 12:18 AM  8 years agoPost 5
flatsman9

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Florida

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Sounds like putting it in the front might be the way to go. Plus, I suppose it would be a little better protected under the canopy. Thanks again everyone!

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12-15-2008 12:23 AM  8 years agoPost 6
JRjoe

rrElite Veteran

Jonesville , IN USA #1

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Yes mounting the gyro forward of the main shaft works just fine. Heck you can mount it right on top of the two front cyclic servos if need be. Align sells a gyro mount that sits right above the 2 front servos but, lots of guy fing that it rubs the canopy. Either place work well...


JRjoe.....
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12-15-2008 12:25 AM  8 years agoPost 7
tchavei

rrProfessor

Portugal

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If thing were just that simple...
Got mine mounted in the front right on top of my cyclic servos... no mounts necessary.
Depending on gyro and servos you can create some interference. The tail might kick or drift in that configuration.
If you strip the tail gears in the front gearbox, you will have to remove the gyro if it is at the back.
True unless you build a shelf that goes between the frames and holds the gyro 1 or 2mm above the gearbox.
Now got a square of adhesive above the gearbox that I can't remove for love nor money.
Rubbing alcohol
Sounds like putting it in the front might be the way to go. Plus, I suppose it would be a little better protected under the canopy.
Yes, it will be more protected. What gyro is it? Some don't fit under the canopy though... my logictech would hit and a csm 720 would also hit. No problems with spartans though.

Tony


--------------------
"Perfection and patience usually walk side by side..."

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12-15-2008 12:30 AM  8 years agoPost 8
LaurenceGough

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Reading, UK

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I know it's been discussed before but wasn't there a advantage of having the gyro under the main shaft?

Something about the sensor...

I doubt there's any difference worth mentioning though?

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12-15-2008 12:35 AM  8 years agoPost 9
tchavei

rrProfessor

Portugal

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General consensus was that it didn't matter however I do remember a post from augusto that mentioned that in extreme maneuvers the heli airframe would flex so the rotation angle would be seen first in the back (or was it front?).

However, if you're flexing your airframe in flight, you have more serious problems. IMHO

Tony


--------------------
"Perfection and patience usually walk side by side..."

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12-15-2008 01:00 AM  8 years agoPost 10
flatsman9

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Florida

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I am using the 401 w/9254

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12-15-2008 01:26 AM  8 years agoPost 11
Flint325

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xxx.xxx

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+1 for back of the main.

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12-15-2008 01:36 AM  8 years agoPost 12
Steff Giguere

rrProfessor

St-Eustache, Quebec, Canada

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I have mine in front. Better protected from crashes and fuel, and works great for me.

Good luck.

Team Synergy, Rail blades, Team Scorpion, V-Team

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12-15-2008 01:36 AM  8 years agoPost 13
tchavei

rrProfessor

Portugal

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I think the 401 will fit. Really depends what gyro tape you're going to use, if you're going to use the plastic support between the frames or not, etc etc.

I wouldn't mount them directly on the cyclic servos though.. unless they are metal shielded or you put a metal plate between the gyro and the servo.

Tony


--------------------
"Perfection and patience usually walk side by side..."

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12-15-2008 01:41 AM  8 years agoPost 14
enahs

rrKey Veteran

Rapid City, SD

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I have my 401 mounted up front on my 600N. I used the Align gyro mount that they sell and it has been working without issue since I built it. Much cleaner up front and helps a bit with balancing.

---------
Shane

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12-15-2008 02:37 AM  8 years agoPost 15
hal9000

rrNovice

Lake Charles, LA

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I have the 401 mounted up front on the gryro tray/mount directly above the servos. The tail was never steady when i first mounted it directly to the top of the servos. The only issue now is that the Align fg replacement canopy now rubs against the gyro. I will need to move the 401 back a small amount or try some other modification for it to fit. This is not an issue with the plastic canopy and not really an issue with the original fg canopy that came with the nitro pro version.

take care and take flight,

joe

"Well i dont think there is any question about it. It can only be attributable to human error..

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12-15-2008 02:43 AM  8 years agoPost 16
jetfixrguy

rrVeteran

Spring Hill, FL

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I also had the gyro mounted up above the servos on my 600. It was on a plastic gyro mount, but it rubbed the canopy (fusuno) at times. Keep an eye out for that if you put it there.

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12-15-2008 08:31 AM  8 years agoPost 17
JetFire

rrKey Veteran

The Golden STATE

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401 with two layers of 3M mounting tape secured by a strap for insurance purposes. No canopy rubbing and been running it this way for over a year.... Directly to my cyclics with no intereference as of yet. However, I will keep in mind of the metal plate if and when I do.


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DX8-2.4
Spartan/BL9088

-The ONLY way you fail is when you quit.-

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12-15-2008 08:58 AM  8 years agoPost 18
tchavei

rrProfessor

Portugal

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I doubt those servos emit enough RF to cause any problem to the 401. Its when you start using high power servos when the gyro gets nuts.

Tony


--------------------
"Perfection and patience usually walk side by side..."

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12-15-2008 09:09 AM  8 years agoPost 19
JetFire

rrKey Veteran

The Golden STATE

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Noted. Thanx Tony


Trex700N Pro
DX8-2.4
Spartan/BL9088

-The ONLY way you fail is when you quit.-

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12-15-2008 04:54 PM  8 years agoPost 20
HELI PRO 007

rrNovice

Ireland and Portugal

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I mount my gyro up the front. I used to have a 401 gyro mounted at the front and the gyro used to kick the tail abit so guess it was picking up noise from the two servos under the gyro. Then I bought a spartan gyro and bingo problem gone. Very nice gyro and I guess the metal plate helps alot.

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HelicopterMain Discussion › Gyro location
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