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Raptor E325 › Piro Left/Right Question
12-25-2008 01:28 AM  8 years agoPost 1
nrad2000

rrVeteran

USA

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Ok. I installed the new hardened main shaft and the mini titan is now flying. I lowered the exp on the radio and that solved some of the earlier issue. Mini titan is now flying happily around the yard.

I noticed when I piro to the left I can easily make a quick left piro. When I piro to the right it makes a very sluggish right turn.

I have the ESC at 85%, Align 430L 3550Kv, 2200mAh 3s, and 13T pinion.

Is this normal?

Merry Christmas to All.

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12-25-2008 01:34 AM  8 years agoPost 2
Heli 770

rrProfessor

USA.

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What gyro?

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12-25-2008 01:37 AM  8 years agoPost 3
nrad2000

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USA

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It's a JR G410T - basic gyro. It was an extra gyro lying around.

would a gyro prevent the heli to make a full rudder input?

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12-25-2008 01:42 AM  8 years agoPost 4
Heli 770

rrProfessor

USA.

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If that gyro works like a 401 then you adjust your piro rate with the ATV or EPA on the gyro Ch.

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12-25-2008 02:13 AM  8 years agoPost 5
TMoore

rrMaster

Cookeville, TN

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Piro rate is adjusted via the rudder EPA adjustments. The 410 has a pot that adjusts overall gyro gain.

TM

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12-25-2008 02:16 AM  8 years agoPost 6
Heli 770

rrProfessor

USA.

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TMoore
Are you getting it confused with a GY-240?

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12-25-2008 02:22 AM  8 years agoPost 7
TMoore

rrMaster

Cookeville, TN

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A 410 is a manual adjust gyro very much like a 240.

http://www.heliproz.com/jr410.html

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12-25-2008 02:26 AM  8 years agoPost 8
Heli 770

rrProfessor

USA.

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To adjust gain on the 240 there is a gain pot on it, but not on the 401.

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12-25-2008 02:27 AM  8 years agoPost 9
TMoore

rrMaster

Cookeville, TN

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I never mentioned a 401.

TM

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12-25-2008 02:29 AM  8 years agoPost 10
Heli 770

rrProfessor

USA.

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I see it now!!!, Sorry.

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12-25-2008 02:31 AM  8 years agoPost 11
nrad2000

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USA

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I still don't understand what the gyro has to do with the stick input. when it's on the ground and I make a full left stick or right stick - the pitch slider moves equally the same speed. the slider will move freely to full left/right just before it would hit and bind.

I understand that the blades turn in a clockwise rotation and the tail is countering it during straight hover. I realize that there is less for the slider to move right stick than left because of this.

If I have play in the tail blades (between the blade grip and blade itself) would that cause a significant rudder input change?

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12-25-2008 02:36 AM  8 years agoPost 12
TMoore

rrMaster

Cookeville, TN

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I still don't understand what the gyro has to do with the stick input. when it's on the ground and I make a full left stick or right stick - the pitch slider moves equally the same speed. the slider will move freely to full left/right just before it would hit and bind.
Understand this about HH gyros; the gyro flies the tail and YOU fly the gyro. What the gyro does on the ground has very little to do with what it needs to do in the air. That means that as long as there isn't a mechanical issue and the gyro is setup as well as can be expected, piro rate is set at the TX by the rudder EPA.

Chances are that you don't have the gyro setup correctly. Flip the gyro into rate mode with the switch on the side, hover the machine and mechanically set the tail trim so the machine doesn't rotate and then flip the switch back into HH mode and set the piro rate to suit.

Right now you probably have the gyro in HH mode, the gyro center isn't coincindental with the tail rotor neutral and the result is too much left tail rotor.

TM

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12-25-2008 02:47 AM  8 years agoPost 13
nrad2000

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USA

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I'll look at my gyro - perhaps I'm not understanding it's setup.

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Raptor E325 › Piro Left/Right Question
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