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T-REX 250 › Tail servo?
11-29-2011 10:49 AM  5 years agoPost 1
THX1138

rrElite Veteran

Camp Bondsteel, Kosovo

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What is currently the best tail servo for the 250? What about a preferred metal tail servo mount?

Lou

Just give me five dudes and two flashbangs...

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11-29-2011 05:23 PM  5 years agoPost 2
VANHELI

rrVeteran

Omaha,Nebraska

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I have had the best luck with the align 520. I had to drill a hole as close to the center of the servo horn as possible without interference for fine resolution. I think around 4-4.5mm. I am running the align 750 gyro with it and have the gain somewhere around 25 on travel adjust (9303). I have tried the align 420, jr 290G and 3400G and the align 520 has worked the best...for me. It does make the heli slightly tail heavy but nothing i really notice in flight. I am also using the align metal servo holders. havent tried any other brand tho. No need to so far.

Dave V.

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11-29-2011 08:00 PM  5 years agoPost 3
Richardmid1

rrProfessor

Leeds, England

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MKS DS 95i. Its kind of heavy for a micro due to the metal casing but lighter than a mini servo, 760us, 560hz! 0.038 transit time at 6v!

http://www.fast-lad.co.uk/store/ds9...5i-p-14211.html

60% of the time, it works every time!

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11-29-2011 10:00 PM  5 years agoPost 4
knightofcarnage

rrElite Veteran

chicago

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futaba 9257 or bls257 They work great in little bugger.

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11-30-2011 06:42 PM  5 years agoPost 5
jschenck

rrProfessor

La Vista, NE.

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I'm running a Futaba 9257 on mine and the tail has been solid with a Logictech 2100 gyro. Tried that servos this weekend with a 3GX, tail was rock solid for the few flights I had - too bad cyclic wasn't (most like my setup wasn't right).

Dave's 250 does nice inverted hurricanes with the Align 520/Align 750 on the tail so that combo works well too

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T-REX 250 › Tail servo?
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