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HomeAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › How do you tell if a servo is stripped
12-27-2010 08:51 PM  7 years agoPost 1
Michaelm0268

rrApprentice

Louisiana

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Just wondering how do you tell crashed my blade 400 doing an auto and every now and then it makes a weird noise but cant quit pinpoint where its coming from?

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12-27-2010 08:58 PM  7 years agoPost 2
Gyronut

rrProfessor

Martinsville In.

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Turn everything on and move you tx sticks around then watch and listen for one or more of your servo's that is not doing anythng or making a grinding sound.

Rick

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12-27-2010 09:04 PM  7 years agoPost 3
GotyaNick6100

rrNovice

Hollister,CA-USA

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Your tail servo...
while the servo is powered down rotate the horn the full throw. If you here or feel it skip it is striped.... The most common problem is damage to the main drive gear like a couple teeth are rounded or slightly broken causing a disturbing grinding sound! luckily the gear is easy to replace and only requires the replacement of one gear rather than a complete rebuild of the servo! Hope that helps nick!

GotyaNick

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12-27-2010 09:07 PM  7 years agoPost 4
grim.the.grim

rrVeteran

Houston, Texas

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+1^ Also...sometimes they will still move even if only a few teeth are stripped...so with the power on and your radio on, gently try to move the horns with you fingers. If the servo is OK, the horn will not move...if it is stripped, you will be able to move the horn with little to no resistance from the servo itself.

*** Real Pilots BEAT the air into submission! ***

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12-27-2010 10:20 PM  7 years agoPost 5
Michaelm0268

rrApprentice

Louisiana

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I hovered it after and seemed ok but not you could tell one little thing was not right . As for the servos all of them work but they still could have a little stripping.

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12-27-2010 10:28 PM  7 years agoPost 6
Rogman88

rrElite Veteran

West Monroe, LA

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After a crash I put manual strain with my fingers on all servos individually to see if there is any grinding or give while moving the servo under load (of my fingers) through the whole range of motion. You will feel it even if you don't hear it.

High Voltage just works better

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12-27-2010 10:45 PM  7 years agoPost 7
BarracudaHockey

rrMaster

Jacksonville FL

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Rogman nailed it. Give them each some resistance and run them from one extreme to the other. Don't try to stall them but you want to put a reasonable load on them

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

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12-27-2010 10:57 PM  7 years agoPost 8
snjbird

rrKey Veteran

Kissimmee, Florida- USA

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+2 load them up though full range of motion.

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12-28-2010 05:34 AM  7 years agoPost 9
Michaelm0268

rrApprentice

Louisiana

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I plugged my battery in and one of the cyclic servos was just spinning so I found the problem . tThanks so much for the help guys.

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12-28-2010 02:29 PM  7 years agoPost 10
T-Rex-Flyer

rrElite Veteran

Panama City, Fl

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Rogman88, BarracudaHockey +2

Glad you identified a problem, but remember to keep checking, there maybe more then one problem with the bird after a crash.

If the wings are traveling faster than the fuselage, it's probably a helicopter.

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12-28-2010 02:43 PM  7 years agoPost 11
Rogman88

rrElite Veteran

West Monroe, LA

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Test the others just to make sure.

High Voltage just works better

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