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Yes I can turn it with my fingers i.e. with the horn attached, but it's pretty stiff compared to an average servo that turns so easily. I'm already using the strong spring that comes on the 5309...

Well 2055 is almost the same as 2056, without the waterproofing. As for jittering, it's not the Optidrive. It's the throttle return spring. It is very stiff for the stock servos and even otherwise. I...

Great! Thanks for letting me know. I think that will be the servo I'll get for throttle. Seeing most of the guys at the race tracks around the world using Hitec made me think that other brands didn't...

Wow man. That's a nice servo. Thanks for sharing the link :thumbup:. Turns out it is better than all of the servos I had listed in my post at least going by the figures. So, are you using it in your...

So does that mean even the HS-7940TH and HS-7950TH servos with Coreless motors are hard to turn or stiff when no power is applied?

I was planning on buying them as a future upgrade for throttle...

So what servo set up do you use?

I have that spring too. It's not about the spring. It's about the servo. Even the original stiff spring can't pull it back to neutral when I cut off the power in order to simulate a servo failure at...

Very true. But if the servo fails at WOT, then even the failsafe will not help, though failsafe is very useful for the low voltage situation, no doubt. So, I agree with you there and thanks :)

Well failsafe will only function till the time your electronics and servo work. But if there's a servo failure with the servo stuck at WOT or in case there's some other electronic failure, it is the...

But there's no problem with the pivot or the linkage at all. Everything's fine and mint as I have been using it already with traxxas servos. What I'm saying is, do you or anyone here have a 645mg...

I already have my steering set up alright. I bought it especially for the throttle/brake after reading everywhere that it was the best deal for a throttle servo. So, if you have any experience with...

Well, these things happen sometimes when you bash. But if its happening on a regular basis, try the rod ends - #5348. These are made by Traxxas for rear toe links, but you can use them all around, no...

Well the title says it all. I have a Revo 3.3 (#5309). After burning 3 Traxxas throttle servos due to the stiff spring found on these revos, I finally decided to get an HS-645MG. Installed it...

Does that mean our chassis have a manufacturing defect :O.o:?

Anybody else's Revo also has a slight bend in the chassis? If yes, please do let me know. Maybe then we'll know that it's not a...

I understand that but is there a way to make the lighter spring effective so that it pulls the servo back completely in case of failure?

Also, I tried searching Google and the entire forum for...

There lies your problem. You should not screw it all the way in. You need to have at least 1mm gap for idle, hence it only starts when you open up the throttle a little bit. And as far as the washer...

TIP OF THE DAY: HOW TO CHECK WHETHER YOUR THROTTLE RETURN SPRING IS STRONG ENOUGH/WORKING OR NOT!

First of all, please make sure that your engine is NOT running. Now, switch on your transmitter...

It again happened to me today and I finally got the problem but don't know the solution:O.o:. I checked everything that you said, the rod ain't bent and neither is it getting stuck when sliding...

No, I'm using a TQ Traxxas link Transmitter with a 2.4 Link Receiver (#2218). The model no. of my transmitter is #2239 and looks EXACTLY similar to this one...

Same problem here guys. Seems like I'll be reviving this thread after 1 year. If anybody's interested in helping us out, they are MOST Welcome :)

Were you guys able to resolve the problem? I never...

The end points are adjusted perfectly fine. That's the first thing I do with all my trucks prior to running them or whenever I put in a new servo.

I don't think the spring got stuck. Maybe the...

I checked up the pipe, there's no rattling sound coming from it, fortunately. Maybe it's the clutch bell then. Will run the truck today as it has been raining pretty bad for last couple of days so...

On your advice I decided to take off the shocks and check the chassis for any damage. Well it did get bent but only slightly as you can see in the pictures. I didn't notice before when I had...

After spending a grand on the T-Maxx you can get it close to or beat a stock Revo but if you spend a grand on a Revo, imagine what would that do! You can rip the race track apart with sheer...

Actually, I don't think you can post pics directly here. So, what you can do is upload your pics to some website like flickr, etc. and then follow these instructions step by step:

1. Open the...