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07-07-2017 11:31 PM  17 days agoPost 1
Yak54

Heliman

Canajoharie ny usa

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I have a trex 500 with a mi I v bar,when I do hard pitch climb outs the tail blows out to the right,how to I fix it

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07-08-2017 03:18 AM  17 days agoPost 2
Flyin for Jesus

Senior Heliman

Dana Point, Ca. 92629

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What headspeed are you running and what pitch range do you have setup?

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07-08-2017 10:32 AM  17 days agoPost 3
Yak54

Heliman

Canajoharie ny usa

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Pitch is like 12 degrees +/- head speed is 2200

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07-08-2017 03:44 PM  17 days agoPost 4
Flyin for Jesus

Senior Heliman

Dana Point, Ca. 92629

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+/- 12 degrees is fine but 2200 HS for a 425 blade length heli is a bit low.
You can try something like 2400 HS but if you like flying the lower HS you need to speed up the tail ( if the make a tail speed up kit ) or longer tail blades ( if they fit ) or else you'll have to reduce the main blade pitch.
I remember reading about a Trex 600 having the same problem and many responded in the thread about the low tail gearing and how a higher HS was the only fix.
There are setting on the vbar that help tail precision but if its blowing out completely, no setting adjustments can fix that.

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07-08-2017 08:17 PM  17 days agoPost 5
Yak54

Heliman

Canajoharie ny usa

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It has a 12t pinion and I believe a 164t main gear,what about a revolution mix

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07-08-2017 08:39 PM  17 days agoPost 6
rcflyerheli

Key Veteran

Granbury, TX USA

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I don't recall there being a tail speedup kit for the 500, or at least for the ESP model. I know they make different sized pinions. I'm running a 17 tooth one om my 500 esp and 2600-2800 headspeed. I think my max pitch has been around 12.5 degrees.

Goblin 700, Trex 700DFC, Gaui X7, Logo 690SX, Logo 600SX; Trex 470 Trex 500
Amain Team Rep

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07-08-2017 09:04 PM  17 days agoPost 7
Yak54

Heliman

Canajoharie ny usa

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Hey rcflyerheli i sent you a pm

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07-08-2017 09:12 PM  17 days agoPost 8
Yak54

Heliman

Canajoharie ny usa

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Will I need to change the main gear to use the 17t pinion,and is it recommended to use with a 6s battery

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07-09-2017 12:32 AM  16 days agoPost 9
Yak54

Heliman

Canajoharie ny usa

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So will a 17t pinion work,the description says works best with 4s setups,I have a 6s setup,or should I go with a 15t

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