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HomeRC & PowerAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › Which do you prefer metal or Nylon servo gears?
06-04-2012 05:16 AM  6 years agoPost 1
Maxx1

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NV

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Which do you prefer metal or Nylon servo gears for 500 size heli?

Thank you,

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06-04-2012 01:23 PM  6 years agoPost 2
marc8090

rrElite Veteran

Long Island, N.Y.

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Metal, especially if it has direct swashplate to servo linkages.

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06-04-2012 01:31 PM  6 years agoPost 3
VKGT

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Sanford, NC

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Metal for sure. When I built my first T-Rex 450, I had gone for the Hitec servos with Karbonite gears because they were supposed to be strong, without the cost of metal. After the first 3 crashes, with every servo having stripped gears each time, it was an obvious choice for metal gears over everything else.

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06-04-2012 02:21 PM  6 years agoPost 4
BarracudaHockey

rrMaster

Jacksonville FL

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What do you think would have happend has those plastic gears (karbonite is plastic after all) had not stripped?

Andy
AMA 77227
http://www.jaxrc.com

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06-04-2012 03:26 PM  6 years agoPost 5
fastflyer20

rrKey Veteran

N. Tonawanda, NY

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I have way too much experience crashing with Hitec karbonite, DS510 plastic and metal gear servos in my 500. I too though that plastic gears were best. The Hitec just did not hold up, even replacing the gear sets, I smoked 2 motors and hurt a few cases. I switched to the DS510 plastic. Overall, a much hardier servo, but changing tons of gear sets was getting old, but other than that, the Align held up much better than the Hitec. Over a year ago, I upgraded to the DS510 MG and have yet to have one problem even after quite a few crashes.

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06-04-2012 03:29 PM  6 years agoPost 6
rexxigpilot

rrProfessor

Florida

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Metal.

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06-06-2012 12:33 PM  6 years agoPost 7
Maxx1

rrNovice

NV

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Thank you.

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06-07-2012 03:15 AM  6 years agoPost 8
Dr.Ben

rrMaster

Richmond, VA, USA

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Metal, but only because I've not seen composite gearing that would be judged to be safe in a demanding application like a direct link 90 sized 3D model. I would take composite in a second if they would hold up because composite geartrains will tend to stay more slop free over time. I am less concerned about gear choice as a means to crash surviveability. Sometimes stripping gears means much more expensive parts sustain less or no damage.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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06-07-2012 03:33 PM  6 years agoPost 9
Four Stroker

rrElite Veteran

Atlanta

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The standard size servo is the problem, especially in airplanes. It would be trivial to make a set of 200~500 in-oz plastic gears but they would not fit. Ball bearings on other than the output shaft would not hurt either.

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06-08-2012 09:35 AM  6 years agoPost 10
lightningrc

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UK

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Plastic for me ? In my align 450 servos if I crash with metal it destroys bends the motor output shaft and costs more in the long run .
I find the metal ones develop slop / wear in the end and replacement servo metal gears are a lot more expensive

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