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servo differences

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rcnewb

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alright guys i am looking to replace my current steering servo 2018, i am looking to replace it with the blue waterproof ones that traxxas put in the revo but which one should i get, the 2056,2065 or the 2075, can anybody explain the difference to me

cheers
 
TGL said:
Actually, the 2075 has more torque and is also quicker than the 2056.
Click to expand...

so wht dont people use the 2075 for both steering and throttle???

can you have too much torque for your throttle and brake??

i just bought the 2075 and 2056 just like cwal1774 has his set up, it nust be a decent set up
 
Traxxas lists 2056 as having 80oz-in of torque and 2057 as having 125oz-in of torque.
Since their website doesn't delineate whether that's at 4.8v or 6v - (since my last Traxxas vehicle came with 6v rechargeable batteries) let's assume it's 6v.

I believe that you can have too much torque for your brake/throttle servo.
You don't need a lot of torque for the throttle and you don't need so much torque that you're locking up the brakes.
I've found that similar servos to the 2056 such as HPI's SF-2 which has 90oz-in of torque to provide adequate stopping power for a heavy truck such as a Savage.

Personally, I feel that 125oz-in to be less torque that I want for a steering servo on a MT (I like something more towards 200oz-in).
Stock Revo's use two 2055 servos to steer them and each 2055 is rated as having 86oz-in (86 x 2 = 172).
BTW - The SF-2 (mentioned above) used to be the stock steering servo for the Savage and at 90oz-in it was not up to the task.

Having said all that, the proof is in the pudding.
If your truck steers and responds fast enough for you, then you're set.
 
If your running the 4aa holder, a hump pack would be the most important upgrade. Though a 2018 has no business steering anything except for a stock rusty from the mid '90's.:)
 
the hump pack was the first thing i done, it made sense even as a newbie, thanks for the replys can't wait to get the beast out and running again
 
Actually the 2056 does overpower the brakes a little but it does shut my truck down pretty quick. You might also consider getting rid of the piece of fuel line on the brake linkage and replace it with a spring. It will make the brake action more progressive and not so much on and off. I used a slipper clutch spring and an extra linkage collar to make up the length. Now instead of having to slam the trigger forward i can now feather it.
 

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