Go Back  R/C Tech Forums > General Forums > Electric On-Road
a quick question >

a quick question

a quick question

Old 02-04-2002, 04:06 PM
Tech Apprentice
Thread Starter
benraldo the ho's Avatar
Join Date: Oct 2001
Location: Rainy Washington
Posts: 76
a quick question

I just bought the JR 8417 digital servo and installed it last night.
This is my first digital servo and I am wondering if they all make a sort of buzzing noise. It's very odd, but I am not sure if thats normal for a digital servo. It says that its an FET servo, but theres no little blue wire to hook it up to my speed control.

Thanks for any response, the servo doesnt seem to be malfunctioning, its just make a lot of noise compared to my other JR Z270 std. servo.

Thanks, Ben
benraldo the ho is offline  
Old 02-04-2002, 04:19 PM
Tech Master
TRF-Powered's Avatar
Join Date: Aug 2001
Posts: 1,003

not all digital servo has that line which connected to the esc, unless it requires 7.2 volts to power the servo properly.

FET just means that the circuit in the servo is based on Field-Effect-Transistor circuit. It doesn't mean that it has a blue wire coming out of it, and again, only if it needs 7.2 volts.

I have a Futaba S 9450 digital servo. and it too make some buzzing sound, but it's not that loud. I won't worry too much about it. as long as it steers where you want it to go. you should be fine.
TRF-Powered is offline  
Old 02-04-2002, 04:25 PM
Tech Apprentice
Thread Starter
benraldo the ho's Avatar
Join Date: Oct 2001
Location: Rainy Washington
Posts: 76

Thanks TRF- Powered! Yeah, its not loud, its just makes some noise.

benraldo the ho is offline  
Old 02-04-2002, 07:22 PM
Tech Elite
iTrader: (16)
Trips's Avatar
Join Date: Aug 2001
Location: 360 Speedway
Posts: 2,251
Trader Rating: 16 (100%+)

My KO 2143's also tend to buzz a bit at neutral, I think it's just a normal thing with digital servos.

Trips is offline  
Old 02-04-2002, 08:15 PM
Tech Fanatic
iTrader: (5)
Join Date: Aug 2001
Location: Kenyon, MN
Posts: 934
Trader Rating: 5 (100%+)

My JR ds8417 makes a little noise, but not much. My HiTec __?__ digital servo is rediculous. It just won't shut up! lol. As long as the servo is working fine, don't worry about it. They do make some noise.
JeffC is offline  
Old 03-28-2004, 07:20 PM
Tech Rookie
Join Date: Mar 2004
Posts: 9

Do you need to be hooked up to a fet wire with the JR DS8417?
pro4x is offline  
Old 03-29-2004, 11:26 AM
Tech Adept
tc3rookie's Avatar
Join Date: Sep 2003
Location: San Diego, CA
Posts: 157

i heard that the buzzing noise is the little motor correcting the position of the servo horn, and its normal for a lot of servos. (my KO does it too)
tc3rookie is offline  
Old 03-29-2004, 11:46 AM
Tech Addict
jeepnyy's Avatar
Join Date: Oct 2003
Location: The Great Smokey Mountains, TN USA
Posts: 553

I have a couple of Hitec HS-5945MG and they too buzz a little bit. And they don't have any "blue" or other wires other than the ones that connect to the receiver.
jeepnyy is offline  

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off

Thread Tools
Search this Thread

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service - Do Not Sell My Personal Information -

Copyright © 2022 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.