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HomeAircraftHelicopterMain Discussion › How do u trim your bird?
01-20-2010 03:09 AM  8 years agoPost 1
FenderBean

rrElite Veteran

Fort Hood TX

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Hover or forward flight?

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01-20-2010 03:11 AM  8 years agoPost 2
george0079

rrElite Veteran

USA

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Hover

Hell... I can fix that.
Uh oh..
Nope.
It's ***ked!!!
RE-KIT!!!!!

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01-20-2010 03:20 AM  8 years agoPost 3
heli-cuzz

rrElite Veteran

Pittston, Pa. USA

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Hover with no wind.

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01-20-2010 03:33 AM  8 years agoPost 4
Michaelinpr

rrApprentice

Levitown, Toa Baja, Puerto Rico

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I trim mine while doing rolling circuits. But thats just me.

JK. I get up really early. Right when the sun comes up. Very little to no wind. then I trim in a hover.

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01-20-2010 03:55 AM  8 years agoPost 5
Vibe Ration

rrVeteran

Mont-Laurier, Qc, Canada

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I trim mine while doing rolling circuits.

Vibe 50, CopterX 450, Gaui 200EX, DX7se

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01-20-2010 04:09 AM  8 years agoPost 6
max232

rrVeteran

Pensacola

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How do u trim your bird
Slimfast

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01-20-2010 04:11 AM  8 years agoPost 7
FenderBean

rrElite Veteran

Fort Hood TX

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lol okay yeah thats how i have been doing it for years just checking

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01-20-2010 07:06 AM  8 years agoPost 8
LaurenceGough

rrElite Veteran

UK

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I just set my swashplate level throughout it's travel and fly it how it is. (as long as COG is correct on the main shaft)

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01-20-2010 08:00 AM  8 years agoPost 9
Furious Predator

rrProfessor

Kitchener, Ontario, Canada

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Slimfast
thats how to better see your bird, not trim it

Shawn
Team Leisure-Tech
Team HelixRC

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01-20-2010 08:01 AM  8 years agoPost 10
duceduc

rrKey Veteran

Saitama-Ken, Japan

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I trim mine at a hover while hovering it.

Duc S
Do It! Do It!™
AMA:REVOMIX
RCK:24005615-01

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01-20-2010 11:28 AM  8 years agoPost 11
G Steyn

rrApprentice

Heidelberg, Transvaal, Suid Afrika

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The swash(perfectly level), and COG(heli dependant) should be perfectly set-up, resulting in virtually no trim in a hover.

I've never found hover trim, and flying trim to be the same values.

Triming for Fast forward flight would be to fly the heli right side up, triming the heli that you can leave the sticks, and the heli continues without any changes in the flightpath. Make a note of that trim value.

Then..... If your skills allow. Flip the heli inverted in Fast forward flight, and do the same. Make a note of that value.

Get a good medium between the two values. Sometimes a little alteration/adjustment of the horizontal tail fin might be needed (size or placement).

On most birds a COG around the main shaft would give the right spot, some need a little forward COG.

Regards

Concentrate on your weaknesses and your strengths will reward you!

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01-20-2010 11:45 AM  8 years agoPost 12
XxCaTMaNxX

rrApprentice

Navarre, FL - U.S.A.

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How do u trim your bird?
With scissors...

I told the doctor I broke my leg in two places. He told me to quit going to those places...

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01-20-2010 11:51 AM  8 years agoPost 13
SteveK

rrNovice

FL

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With stuffing and gravy

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01-20-2010 03:06 PM  8 years agoPost 14
hornet dave

rrKey Veteran

Cedar Rapids, IA USA

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G Steyn is the winner.

Although I don't even run a horizontal fin, I make my fast flight adjustments with flybar weights and flybar ratio. Horizontal fins cause too much havoc during fast backwards flight. But I'm not into FAI, my style is poorly executed technical 3D.

I got a fever! The only prescription is MORE 6HV

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01-20-2010 04:20 PM  8 years agoPost 15
Jlerch

rrApprentice

Parrish, Florida

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On days when its windy but not gusty.
  • Point nose into wind, trim elevator
  • Point tail into wind, re-trim elevator while counting clicks, then take half back out
  • Left side of heli into wind, trim aileron
  • Right side of heli into wind, trim aileron while counting clicks, then take half back out
  • Sanity check, my heli will always very slowly "run" into the wind. It should do so at the same rate no matter which side or end of the heli is facing the wind.
You mileage may vary, based on the flybar response to wind. (or lack there of)

James Lerch - Tampa Bay FL

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01-20-2010 06:46 PM  8 years agoPost 16
chopper_crazy

rrElite Veteran

Delphos, Ohio

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on the bench before its maiden flight

just kidding....I normally trim the bird in a hover

It's a complex, costly, glow powered anti-gravity machine!

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