jr servos, are they crap?

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tinker2141

tinker2141

Active Member
Messages
101
I recently blew my steering servo
(a tree assaulted my truck) and the lhs
recomended a jr high torque metal gear servo to
replace my s3305 so I picked it up, installed it and in under
a quarter tank it just quit the lhs replaced it and when I
put in the second it died even faster, both times were on
flat driveway doing circles while I broke in a rebuilt motor
so there was no thrashing at all. Is this a normal occurence and should
I stay away from JR products?
 
I recently purchased an LST2 it had a jr racing radio set up....within 2 tanks of fuel the reciever and three of the four servos were burnt up....now I have a brand new LST2 and no radio for it....the worst part is i'm in Canada and warrenty is 3 to 4 months of wait time......thank god for HPI though my Savage still rips..I might have just got a lemon though cause I got a few buddies who own the same truck and never had a problem
 
I have never used one, but generally they have a good reputation.

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i personally don't like em.......i live by the S3305's and haven't messed up one yet. usually i buy them but the pack of 5. i have bout jr's and hitec's and have messed them up after only 2 or 3 runs. but i guess its all a matter of preference.......
 
I love the 3305 and had it for both but the gears got fragged by the tree and I had to order some more, the jr was supposed to be a filler, now I have my throttle 3305 on my steering and a hite 645mg on my throttle until my gear set comes in.
 
Last edited by a moderator:
I run a JR 9100t for my steering and it is awesome! Remember, you get what you pay for. If you spend $30 on a servo then it is going to perform like a $30 servo.....
 
wasnt a $30 servo it was $60 and to have 2 in a row quit electricaly with less than 10 min on them isnt what I pay for even when I do low ball a part.
Bank, I loved the sf-2 but when I blew it I took out the gears and the case, it was cheaper to replace it.
 
yes it is much cheaper to get a new 3305. I was just saying it is no upgrade. still too weak for a savage. most don't like the sf2 but like the 3305 not knowing it is a sf-2 I like 200oz servos or up with .07 to .13 transit times.
 
I have my eye on a hi-tech, the one with titanium gears and 330 oz of torque @ 6v, but I gotta save for it, it is $150 servo and my wife just dosnt seem to get the importance....I wonder why not?
 
Yeah that servo isn't up to Savage requirements IMO. I would go for something around the 200oz mark and at least .15sec.

I have ran Hitec's before and they were fine along with JR. I had my eyes set on the JR for a long time though. Both are great companies but you gotta get a servo that is strong enough for your needs, not just a servo. A servo lacking torque won't last long at all if it is weak. Get a servo that is overpowered for the needs and it will most likely last a very long time.
 
Yeah, too much power or over powered are both statements that, cant, wont, or shoudnt apply to the savage at all ever!
 
i have a JR ST-126MG in my savvy, and for the 4wheel steering in my tamiya. i have yet to strip a gear. i actually broke the housing from torquing it too much.
 
Bankrupter said:
^^^ good stuff right here. Nice post Whip! I don't run them nore say this is good but whipnet is on the money... Same servo
Click to expand...

Thanks Bro. I've been running one for over a year with no problems... and you've seen how I drive (cartwheel)

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Thanks whip, I think that I will look into picking that servo up asap the 3305 is good but not for the way truck seems to spend its time cartwheeling across my yard.
 
It works like a charm, but now I am finding that I cant drive... when the wheels actualy steer amzing things involving inertia, gravity, and my pay check seem to happen!
 
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