LOSI 8-T THROTTLE SERVOS  
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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC Truggy >> LOSI 8-T THROTTLE SERVOS
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LOSI 8-T THROTTLE SERVOS - 1/21/2008 2:16:48 AM   
BIGAIRBEN


 

Posts: 139
Joined: 3/22/2007
From: MONTVERDE, FL, USA
Status: offline 		I AM NEW TO THE LOSI WORLD IAM HAVING SOME TROUBLE WITH THROTTLE SERVOS WENT THROUGH THREE SO FAR ...THE FIRST WAS THE STOCK ONE NO BIG DEAL THERE NO GOOD ANYWAY BUT I UP GRADED TO A HITEC 645MG AND LOST IT AS WELL. AS WELL AS A 590SPECTRUM SO IS THIS A NORMAL THING WITH THE LOSI OR AM I MISSING SOMETING ANY HELP WOULD BE GREAT..THANKS

_____________________________

LOSI 8IGHT-T GO.286P W/JP1 LOSI 8IGHT BUGGY GO.217P LOSI MINI BAJA & LOSI MICRO DESERT TRUCK
       Post #: 1

RE: LOSI 8-T THROTTLE SERVOS - 1/21/2008 2:23:07 AM   
vnmsgt



Posts: 2453
Joined: 8/16/2007
From: winter garden, FL, USA
Status: online 		I think your missing something but I am not telling you what! LOL Did you put that o-ring under the battery box like on the buggy yet. That is the only think I know of that people do and some people still have that same problem afterwards. Did you check on the losi forums?

_____________________________

Caster Racing USA K8T/ZX-1R, Holeshothobbies, GO Tech engines, Fusion Fluids
Do not jump on the bandwagon...CRUSH IT

(in reply to BIGAIRBEN)
       Post #: 2

RE: LOSI 8-T THROTTLE SERVOS - 1/21/2008 5:36:40 AM   
INTEGRA



Posts: 1332
Joined: 7/29/2005
From: winnipeg, MB, CANADA
Status: offline 		guarenteed u have the linkages outta wack...the losi is by far the worst at needing a 100% flawless linkage...if its cocked in 1 way or another its gonna lock up and take the servo out with it.....the only way to bypass this problem is to take the time to set-up the linkages properly and to get a good high end servo...NOT the o-ring trick...thats a Bandaid on a serious issue that can be easily solved.

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http://s49.photobucket.com/albums/f285/TrUInTeGrA123/
http://s150.photobucket.com/albums/s102/davidmoxley123/

(in reply to vnmsgt)
       Post #: 3

RE: LOSI 8-T THROTTLE SERVOS - 1/21/2008 6:51:55 AM   
haasjj


 

Posts: 536
Joined: 4/29/2006
From: Dickinson, ND, USA
Status: offline 		Check out the two links below and follow the instructions. Do you have a radio with end point adjustments also called ATV or travel adjustment, if not these won't help you but you will continue to burn out servo's. I did this and have not lost a single servo yet.


http://www.horizonhobby.com/ProdInfo/Files/LOS_Throttle_Addendum.pdf

http://www.horizonhobby.com/ProdInfo/Files/8IGHT_RadioTrayInstallAddendum_LoRes.pdf

(in reply to INTEGRA)
       Post #: 4

RE: LOSI 8-T THROTTLE SERVOS - 1/21/2008 12:25:12 PM   
vnmsgt



Posts: 2453
Joined: 8/16/2007
From: winter garden, FL, USA
Status: online 		He is running a spektrum.

_____________________________

Caster Racing USA K8T/ZX-1R, Holeshothobbies, GO Tech engines, Fusion Fluids
Do not jump on the bandwagon...CRUSH IT

(in reply to haasjj)
       Post #: 5

RE: LOSI 8-T THROTTLE SERVOS - 1/21/2008 1:44:04 PM   
Th3pwn3r


 

Posts: 264
Joined: 12/3/2007
From: Chicago Ridge, IL, USA
Status: offline 		Yea, you need to set your EPAs.

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I too say no to shelf queens.

(in reply to vnmsgt)
       Post #: 6

RE: LOSI 8-T THROTTLE SERVOS - 1/21/2008 2:18:18 PM   
slayerphonics



Posts: 1779
Joined: 3/2/2007
From: Daytona Beach, FL, USA
Status: offline 		Combination of problems most likely.. EPA and linkage setup... also make sure the carb is ligned up

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There's a right way and wrong way to do everything and the wrong way is trying to make everybody else do it the right way

(in reply to BIGAIRBEN)
       Post #: 7

RE: LOSI 8-T THROTTLE SERVOS - 1/21/2008 4:14:08 PM   
Th3pwn3r


 

Posts: 264
Joined: 12/3/2007
From: Chicago Ridge, IL, USA
Status: offline 		A good way to set them is with the engine off and not planning to drive it right away. Make sure your carb opens up all the way and when the carb is fully open that your servo is no longer pulling the linkage. Dial your brakes out all of the way so that your car rolls freely without pulling the throttle and dial the brakes back in as needed. I find that running drag brake is a very bad idea on the 8ight and will cause it to nose dive very badly.

_____________________________

I too say no to shelf queens.

(in reply to slayerphonics)
       Post #: 8

RE: LOSI 8-T THROTTLE SERVOS - 1/21/2008 9:24:07 PM   
haasjj


 

Posts: 536
Joined: 4/29/2006
From: Dickinson, ND, USA
Status: offline
quote:

ORIGINAL: vnmsgt

He is running a spektrum.



Thats why I asked because I didn't know and I don't know if the spektrum radios have EPA.

(in reply to vnmsgt)
       Post #: 9

RE: LOSI 8-T THROTTLE SERVOS - 1/21/2008 9:30:26 PM   
vnmsgt



Posts: 2453
Joined: 8/16/2007
From: winter garden, FL, USA
Status: online 		Just letting you know, thats all.

_____________________________

Caster Racing USA K8T/ZX-1R, Holeshothobbies, GO Tech engines, Fusion Fluids
Do not jump on the bandwagon...CRUSH IT

(in reply to haasjj)
       Post #: 10

RE: LOSI 8-T THROTTLE SERVOS - 1/23/2008 12:01:46 AM   
BIGAIRBEN


 

Posts: 139
Joined: 3/22/2007
From: MONTVERDE, FL, USA
Status: offline 		THANKS FOR ALL THE INFO I WILL PUT ALL THE KNOWLAGE TO WORK AND SEE WHAT HAPPENS GOT TO LOVE THIS HOBBY ALWAYS SOMETHING GOING ON

_____________________________

LOSI 8IGHT-T GO.286P W/JP1 LOSI 8IGHT BUGGY GO.217P LOSI MINI BAJA & LOSI MICRO DESERT TRUCK

(in reply to vnmsgt)
       Post #: 11

RE: LOSI 8-T THROTTLE SERVOS - 5/12/2008 10:19:16 AM   
silversnake203


 

Posts: 10
Joined: 5/3/2008
From: waterbury, CT, USA
Status: offline 		thank u haasjj i just learned a lot i blew out 2 servos already now im running 2 jr 9100 i had my end points adjusted a little on the low side to be safe also im running a ninja 28 and matching pipe car is very fast thanks man.

(in reply to BIGAIRBEN)
       Post #: 12

RE: LOSI 8-T THROTTLE SERVOS - 5/13/2008 1:14:40 AM   
cherokee180c


 

Posts: 70
Joined: 3/15/2008
From: Forest Hill, MD, USA
Status: offline 		Make sure you leave the .7-1mm gap at both full throttle and at idle. You want to be able to pull that much additional distance mechanically after reaching your full throttle EPA adjustment to handle any flex that might occur while at full throttle. You also want to leave that much of a gap when you are at idle and the carb is on the idle screw. Also make sure you don't dial in too much travel on the brakes. Most people that I have adjusted their cars have maybe 20% over the travel needed on the brake side, which all goes into stressing the servos and flexing the tray and not into braking force. Once the brakes lock up under load, they are locked and no additional force is going add any braking. If you lock the brakes you have lost the stopping battle anyway as you will skid further than controlled braking. If you keep up by adjusting the gap back down as your brake pads wear, the brake side needs very little travel to fully lock up the brakes. I also installed the Ofna return springs on the posts to push the pads back out reliably. I am running two separate 8T's now for 2 months straight with no servo failures. The battery box o-ring issue is important in my mind as it allows the system to flex if needed. If you adjust everything right you will have no flex visible while statically operating the linkages, but hitting hard after a 10' jump may still flex the system.

(in reply to silversnake203)
       Post #: 13

RE: LOSI 8-T THROTTLE SERVOS - 5/13/2008 1:36:22 AM   
INTEGRA



Posts: 1332
Joined: 7/29/2005
From: winnipeg, MB, CANADA
Status: offline 		I dont use any O-rings...and tighten All the bolts on my tray and have yett to have a failure.

_____________________________

http://s49.photobucket.com/albums/f285/TrUInTeGrA123/
http://s150.photobucket.com/albums/s102/davidmoxley123/

(in reply to cherokee180c)
       Post #: 14

RE: LOSI 8-T THROTTLE SERVOS - 5/13/2008 2:03:38 AM   
Wilki01


 

Posts: 55
Joined: 3/17/2007
From: Saskatoon, SK, CANADA
Status: online 		Well, my Truggy burned out it' s first servo on the 3'rd tank. The hobbyshop gave me another servo to use while I was waiting for Horizon to send a replacement servo. Well the temp servo jammed at full throttle a drove right into a concrete barrier. I was then told the linkage was installed incorrectly, hhmm funny this it's an RTR. I checked my manual a double checked the settings befor the crash. I really feel that Losi did a very poor job of building it. The quality control is very poor. The rest of the vehicle was very tough. It is being covered under warranty, but asd soon as I get it back I will get rid of it, I lost total trust in that settup, next one won't be a Losi product. Yes someone will say that I didn't set it up right, well I'll tell you that I went through it by the book, I even cut back the end points for both the throttle and brake, so obviously from reading on the net there is some problems. I purchase it in march and finally got to used it for a bit about 2 weeks ago, now I'm waiting for it. It's not a cheap machine, I was expecting to run at least a gallon through it oh well, it sure folded up nice. Thanks Team Losi and Horizon....

(in reply to INTEGRA)
       Post #: 15

RE: LOSI 8-T THROTTLE SERVOS - 5/13/2008 9:01:28 AM   
silversnake203


 

Posts: 10
Joined: 5/3/2008
From: waterbury, CT, USA
Status: offline 		your not driving hard enough son lolololo.

(in reply to INTEGRA)