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  1. #1
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    Not happy with 2085x.....

    So my 8s XMAXX has been on a few runs now, and although the upgraded 2085x servo is performing better then stock, I still feel its a little weak.
    If I place my truck on grass, no throttle, just still, and turn the steering either side, I feel like it struggles.
    With throttle it performs perfectly fine.
    Are there any stronger alternatives that do not require the use of a separate BEC?

    I'd also like to remove some of the slop from the front wheels?
    Aluminium steering setup maybe???
    Any suggestions?

    Also, not sure if this is normal behaviour, when the batteries are running on the lower side - say 30.1v for example, I get random cut outs from steering. Throttle response seems OK, but steering cuts out every so often - is this normal just because power is low?
    https://www.youtube.com/user/iftibashir

  2. #2
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    Quote Originally Posted by IftiBashir View Post
    So my 8s XMAXX has been on a few runs now, and although the upgraded 2085x servo is performing better then stock, I still feel its a little weak.
    If I place my truck on grass, no throttle, just still, and turn the steering either side, I feel like it struggles.
    With throttle it performs perfectly fine.
    Are there any stronger alternatives that do not require the use of a separate BEC?

    I'd also like to remove some of the slop from the front wheels?
    Aluminium steering setup maybe???
    Any suggestions?

    Also, not sure if this is normal behaviour, when the batteries are running on the lower side - say 30.1v for example, I get random cut outs from steering. Throttle response seems OK, but steering cuts out every so often - is this normal just because power is low?
    You may want to check the servo saver out. I use the GDS steering rack and brace, along with traxxas aluminum toe links and HR Upper a arms.


    Somehow builds are never done....

  3. #3
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    Quote Originally Posted by Gripdog7205 View Post
    You may want to check the servo saver out. I use the GDS steering rack and brace, along with traxxas aluminum toe links and HR Upper a arms.


    Somehow builds are never done....
    Thanks, will take it apart and make sure everything nice and tight.
    Will look into the parts you mentioned also! Do you have part numbers or links by any chance?
    https://www.youtube.com/user/iftibashir

  4. #4
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    Quote Originally Posted by IftiBashir View Post
    Thanks, will take it apart and make sure everything nice and tight.
    Will look into the parts you mentioned also! Do you have part numbers or links by any chance?
    How about a couple screen shots




    Somehow builds are never done....

  5. #5
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    That's awesome - thanks so much!!
    https://www.youtube.com/user/iftibashir

  6. #6
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    Quote Originally Posted by IftiBashir View Post
    So my 8s XMAXX has been on a few runs now, and although the upgraded 2085x servo is performing better then stock, I still feel its a little weak.
    If I place my truck on grass, no throttle, just still, and turn the steering either side, I feel like it struggles.
    With throttle it performs perfectly fine.
    Are there any stronger alternatives that do not require the use of a separate BEC?

    I'd also like to remove some of the slop from the front wheels?
    Aluminium steering setup maybe???
    Any suggestions?

    Also, not sure if this is normal behaviour, when the batteries are running on the lower side - say 30.1v for example, I get random cut outs from steering. Throttle response seems OK, but steering cuts out every so often - is this normal just because power is low?
    I(also think mine is slow and stuggles more when turning right on flat ground. Not sure what to do in this case. may take it apart for a look and see. Fine when driving though
    Getting back into the RC game after 10 years!

  7. #7
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    Quote Originally Posted by IftiBashir View Post
    Also, not sure if this is normal behaviour, when the batteries are running on the lower side - say 30.1v for example, I get random cut outs from steering. Throttle response seems OK, but steering cuts out every so often - is this normal just because power is low?
    How about this, is this normal behaviour?
    https://www.youtube.com/user/iftibashir

  8. #8
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    Quote Originally Posted by IftiBashir View Post
    How about this, is this normal behaviour?
    I donít think thatís normal.


    Somehow builds are never done....

  9. #9
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    Any idea why it would be doing this, only when the battery is running low?
    https://www.youtube.com/user/iftibashir

  10. #10
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    Just received this from support:

    If you have tsm turned up to high and it is to sensitive it could do some weird things with the steering. Easiest way to test it is to turn tsm off and test drive the truck that way.

    How do you guys generally have TSM set - mine is usually around 50%....
    https://www.youtube.com/user/iftibashir

  11. #11
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    Quote Originally Posted by IftiBashir View Post
    Just received this from support:




    How do you guys generally have TSM set - mine is usually around 50%....
    Donít have it, but when I did. I turned it off. Never had it on the X-Maxx


    Somehow builds are never done....

  12. #12
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    So would you not recommend the 2085x? The stock servo is junk turning is terrible in grass. I was going to upgrade to 2085x

  13. #13
    RC Champion nickruger's Avatar
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    Quote Originally Posted by Moparcollector View Post
    So would you not recommend the 2085x? The stock servo is junk turning is terrible in grass. I was going to upgrade to 2085x
    I recently upgraded to the 2085x. It is an improvement over stock. It is kind of like going from a Toyota to a Lexus. The promodeler 470, savox 2290, protek 370btl are Rolls Royces. Just depends on what you want to spend.

    Sent from my SM-N960U using Tapatalk

  14. #14
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    But will any of those fit without modifications to truck?

  15. #15
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    Put in a 2085x it’s a direct replacement. It’s a huge improvement over stock. I just installed one in one of my xmaxx’s. It’s very good!!

  16. #16
    RC Champion nickruger's Avatar
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    Quote Originally Posted by Moparcollector View Post
    But will any of those fit without modifications to truck?
    There is a little adapter traxxas makes to mount standard size servos.
    https://m.traxxas.com/products/parts/7749



    Sent from my SM-N960U using Tapatalk

  17. #17
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    Which other servo would surpass the 2085x?
    https://www.youtube.com/user/iftibashir

  18. #18
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    Quote Originally Posted by IftiBashir View Post
    Which other servo would surpass the 2085x?
    Savox SB2290 Maybe?

  19. #19
    RC Champion nickruger's Avatar
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    Quote Originally Posted by IftiBashir View Post
    Which other servo would surpass the 2085x?
    All the ones I listed have better specs, proven to be more reliable and both the protek and the savox have solid 1 year warranties opposed to the umm, so called 30 day warranty with the 2085x. However, traxxas does replace some stuff past 30 days, just luck of the draw I guess. I have had really good luck with savox and hitec. I have a few of each brand that are years old and never had a hiccup. There are tons of standard size servos that have better specs, better build quality for similar pricing. The 2085 is kind of a unique size, bigger than standard, smaller than fifth scale. You can fit a fifth scale if you cut/modify chassis. I don't see a reason to go that route when there are standard size servos that only require the 6$ adapter. I personally have these servos which all Spec out better than a 2085x.
    https://www.amainhobbies.com/hitec-h...c37950s/p60990
    https://www.amainhobbies.com/savox-s...1231sg/p234359
    https://www.amainhobbies.com/savox-s...1210sg/p262193
    If you want a full factory waterproof, boss servo you would need to look at the protek 370btl
    https://www.amainhobbies.com/protek-...370tbl/p532334
    Reefs triple 5 is waterproof and highly rated
    https://www.amainhobbies.com/reefs-r...eefs03/p873497
    Promodeler makes a 470oz, and a 630oz
    https://www.promodeler.com/DS470BLHV
    https://www.promodeler.com/DS630BLHV
    There is also a savox 1230sg that is 500oz at 6.0v. Honestly that's about the best deal out there. I have 2 of the 1231sg I linked above and even though they don't say they are waterproof they pretty much are. I spray mine off with the garden hose, wash, scrub, and it's fine. Same servo just a little slower but more powerful.
    https://www.amainhobbies.com/savox-s...1230sg/p234358

    And here is the mac daddy savox. Lots of people run this in their Xmaxx.
    https://www.amainhobbies.com/savox-s...2290sg/p536890
    Sent from my SM-N960U using Tapatalk
    Last edited by nickruger; 07-08-2019 at 06:26 PM.

  20. #20
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    Quote Originally Posted by nickruger View Post
    All the ones I listed have better specs, proven to be more reliable and both the protek and the savox have solid 1 year warranties opposed to the umm, so called 30 day warranty with the 2085x. However, traxxas does replace some stuff past 30 days, just luck of the draw I guess. I have had really good luck with savox and hitec. I have a few of each brand that are years old and never had a hiccup. There are tons of standard size servos that have better specs, better build quality for similar pricing. The 2085 is kind of a unique size, bigger than standard, smaller than fifth scale. You can fit a fifth scale if you cut/modify chassis. I don't see a reason to go that route when there are standard size servos that only require the 6$ adapter. I personally have these servos which all Spec out better than a 2085x.
    https://www.amainhobbies.com/hitec-h...c37950s/p60990
    https://www.amainhobbies.com/savox-s...1231sg/p234359
    https://www.amainhobbies.com/savox-s...1210sg/p262193
    If you want a full factory waterproof, boss servo you would need to look at the protek 370btl
    https://www.amainhobbies.com/protek-...370tbl/p532334
    Reefs triple 5 is waterproof and highly rated
    https://www.amainhobbies.com/reefs-r...eefs03/p873497
    Promodeler makes a 470oz, and a 630oz
    https://www.promodeler.com/DS470BLHV
    https://www.promodeler.com/DS630BLHV
    There is also a savox 1230sg that is 500oz at 6.0v. Honestly that's about the best deal out there. I have 2 of the 1231sg I linked above and even though they don't say they are waterproof they pretty much are. I spray mine off with the garden hose, wash, scrub, and it's fine. Same servo just a little slower but more powerful.
    https://www.amainhobbies.com/savox-s...1230sg/p234358

    And here is the mac daddy savox. Lots of people run this in their Xmaxx.
    https://www.amainhobbies.com/savox-s...2290sg/p536890
    Sent from my SM-N960U using Tapatalk
    I can vouch for the Savox sb2290-sg. Iíve only run it with a CC BEC 2.0 WP. Unreal for the size.
    https://youtu.be/UqO_-qKhV50


    Somehow builds are never done....

  21. #21
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    Quote Originally Posted by nickruger View Post
    All the ones I listed have better specs, proven to be more reliable and both the protek and the savox have solid 1 year warranties opposed to the umm, so called 30 day warranty with the 2085x. However, traxxas does replace some stuff past 30 days, just luck of the draw I guess. I have had really good luck with savox and hitec. I have a few of each brand that are years old and never had a hiccup. There are tons of standard size servos that have better specs, better build quality for similar pricing. The 2085 is kind of a unique size, bigger than standard, smaller than fifth scale. You can fit a fifth scale if you cut/modify chassis. I don't see a reason to go that route when there are standard size servos that only require the 6$ adapter. I personally have these servos which all Spec out better than a 2085x.
    https://www.amainhobbies.com/hitec-h...c37950s/p60990
    https://www.amainhobbies.com/savox-s...1231sg/p234359
    https://www.amainhobbies.com/savox-s...1210sg/p262193
    If you want a full factory waterproof, boss servo you would need to look at the protek 370btl
    https://www.amainhobbies.com/protek-...370tbl/p532334
    Reefs triple 5 is waterproof and highly rated
    https://www.amainhobbies.com/reefs-r...eefs03/p873497
    Promodeler makes a 470oz, and a 630oz
    https://www.promodeler.com/DS470BLHV
    https://www.promodeler.com/DS630BLHV
    There is also a savox 1230sg that is 500oz at 6.0v. Honestly that's about the best deal out there. I have 2 of the 1231sg I linked above and even though they don't say they are waterproof they pretty much are. I spray mine off with the garden hose, wash, scrub, and it's fine. Same servo just a little slower but more powerful.
    https://www.amainhobbies.com/savox-s...1230sg/p234358

    And here is the mac daddy savox. Lots of people run this in their Xmaxx.
    https://www.amainhobbies.com/savox-s...2290sg/p536890
    Sent from my SM-N960U using Tapatalk
    Awesome thanks so much for this useful information!

    Tempted with the Savox 1230...………….

    From what I can see the 2085x provides 450 oz-in at 6V.

    The Savox 1230 provides 500 oz-in at 6V, so should provide for a decent upgrade.


    At the moment I have the stiffer servo saver and link that was supplied with the 2085x - I assume it would be Ok to stick with this?


    Would the stock bellcrank and links be up to the task or is it best to overhaul the whole lot?
    I've always thought it was good to have some flex with the plastic so as to protect the servo a little....?
    Last edited by IftiBashir; 07-09-2019 at 06:02 AM.
    https://www.youtube.com/user/iftibashir

  22. #22
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    Quote Originally Posted by Gripdog7205 View Post
    I can vouch for the Savox sb2290-sg. I’ve only run it with a CC BEC 2.0 WP. Unreal for the size.
    https://youtu.be/UqO_-qKhV50


    Somehow builds are never done....
    Do you run at 7.4v?

    Really tempted with this setup too since I have the option of more power with a BEC later on if need be.....!!!
    Last edited by IftiBashir; 07-09-2019 at 06:16 AM.
    https://www.youtube.com/user/iftibashir

  23. #23
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    Quote Originally Posted by IftiBashir View Post
    Do you run at 7.4v?

    Really tempted with this setup too since I have the option of more power with a BEC later on if need be.....!!!
    Yes, 7.4, I run Futaba gear that handles it


    Somehow builds are never done....

  24. #24
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    If you get a 2085X running it at 7.4v is like a day and night difference compared to 6v, so much more powerful and faster!

    I've been running my 2085X with 7.4v since they launched and it's not missed a beat.

    I don't run stock radio gear.
    Xmaxx 8S - Max 5 ē Leopard 58113 V2

  25. #25
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    I’m running stick radio gear.
    So I could install a BEC and run the 2085x at 7.5v?
    https://www.youtube.com/user/iftibashir

  26. #26
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    I'm pretty sure the stock receiver won't like eating 7.4v so you could buy or make a receiver bypass.

    Examples:



    Last edited by Double G; 07-09-2019 at 03:19 PM.
    The Super Derecho

  27. #27
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    Thanks Double G - I've used a RX Bypass Adapter with a Slash a year or so back so would do the a same if I went with this, although Im still considering a more powerful Savox......hmmmm......

    https://www.youtube.com/user/iftibashir

  28. #28
    RC Champion nickruger's Avatar
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    I can verify stock reciever won't last long at all on 7.4v.

    Sent from my SM-N960U using Tapatalk

  29. #29
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    Quote Originally Posted by nickruger View Post
    I can verify stock reciever won't last long at all on 7.4v.

    Sent from my SM-N960U using Tapatalk
    Thanks dude.


    Ok, so I have stock ESC and Receiver at the moment, so shopping cart looking like the following:

    - Savox SB2290-SG
    - Traxxas Servo Adapter
    - CC BEC 2.0 WP
    - Castle Link (unless I can find someone who has one to use for 5 seconds!)
    - Holmes Hobbies RX Bypass Adapter - to supply the BEC power directly to only the servo and not the stock receiver.


    Questions:
    1. Servo Horn - will the stock fit or will I need a new 25T metal horn? Maybe : https://www.amazon.com/dp/B01EILW6HQ...v_ov_lig_dp_it

    2. Using stock bellcrank setup with the stiffer servo saver spring and linkage from the 2085x kit. However, would a metal steering brace keep the structure more rigid etc... https://www.amazon.com/dp/B01EILW6HQ...v_ov_lig_dp_it

    Anything else Ive missed?
    https://www.youtube.com/user/iftibashir

  30. #30
    RC Turnbuckle Jr.
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    Youíll need a new horn. The Vanquish horn I got is top notch. 25T yes.


    Somehow builds are never done....

  31. #31
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    Quote Originally Posted by Gripdog7205 View Post
    You’ll need a new horn. The Vanquish horn I got is top notch. 25T yes.


    Somehow builds are never done....
    Cool - I'll take a look - would it be the 20 or the 24mm?

    Thanks again.
    https://www.youtube.com/user/iftibashir

  32. #32
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    Just so you know the Savox SB2290-SG is not a direct fit even with the adapter a little bit of dremal work is needed to fit it in good

  33. #33
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    Quote Originally Posted by razor237 View Post
    Just so you know the Savox SB2290-SG is not a direct fit even with the adapter a little bit of dremal work is needed to fit it in good
    Thanks for that.
    I have a Dremel so that’s all good - how much work is needed?
    https://www.youtube.com/user/iftibashir

  34. #34
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    not much the top of the servo is a bit bigger and the frame stock has a wall with a half circle on each side so part of the wall and half circle need to be made flat , once you have it open you can see how much but its not bad at all

  35. #35
    RC Champion nickruger's Avatar
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    Quote Originally Posted by IftiBashir View Post
    Thanks dude.


    Ok, so I have stock ESC and Receiver at the moment, so shopping cart looking like the following:

    - Savox SB2290-SG
    - Traxxas Servo Adapter
    - CC BEC 2.0 WP
    - Castle Link (unless I can find someone who has one to use for 5 seconds!)
    - Holmes Hobbies RX Bypass Adapter - to supply the BEC power directly to only the servo and not the stock receiver.


    Questions:
    1. Servo Horn - will the stock fit or will I need a new 25T metal horn? Maybe : https://www.amazon.com/dp/B01EILW6HQ...v_ov_lig_dp_it

    2. Using stock bellcrank setup with the stiffer servo saver spring and linkage from the 2085x kit. However, would a metal steering brace keep the structure more rigid etc... https://www.amazon.com/dp/B01EILW6HQ...v_ov_lig_dp_it

    Anything else Ive missed?
    I don't know if you have your mind made up 100% on the savox, but if you go with the promodeler you have the option to get it milled from them to fit with no modifications and it is factory waterproof. I know it's a brand that isn't very popular, but they do make some pretty high quality servos. People on other forums, Facebook groups are highly happy and impressed with them. They are right up there with the savox. Just some food for thought.

    Sent from my SM-N960U using Tapatalk

  36. #36
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    Oh yeah to add to it the Savox is not waterproof by default i had to waterproof mine not sure if thats a big deal to you or not but i like to play when its wet so had to waterproof mine

  37. #37
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    +1 for Promodeler. Looking over their specs, they are not as power hungry as the Savox and that is why I went with them to replace the steering servo in my nitro Revo.
    The Super Derecho

  38. #38
    RC Champion nickruger's Avatar
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    Quote Originally Posted by razor237 View Post
    Oh yeah to add to it the Savox is not waterproof by default i had to waterproof mine not sure if thats a big deal to you or not but i like to play when its wet so had to waterproof mine
    All of the nicer savox, hitec, futaba mostly use good o-ring construction and pretty much protected all the way just short of submersion. Yeah the boards aren't waterproofed, so yes, you would be wise to waterproof your 140$ servo considering the ease of which it is accomplished. I have a few savox and hitec that aren't waterproof that I run in water, spray off with the hose, I just don't dunk them and they have been fine for a few years. But agreed, 140$ for the servo, wise insurance to waterproof it.

    Sent from my SM-N960U using Tapatalk

  39. #39
    RC Champion nickruger's Avatar
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    Quote Originally Posted by Double G View Post
    +1 for Promodeler. Looking over their specs, they are not as power hungry as the Savox and that is why I went with them to replace the steering servo in my nitro Revo.
    Which model do you have? How do you power it? BTW, I think you were one of the first on the forum to introduce everybody to promodeler, so you had to of had it for awhile now.

    Sent from my SM-N960U using Tapatalk

  40. #40
    Marshal Double G's Avatar
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    Quote Originally Posted by nickruger View Post
    Which model do you have? How do you power it? BTW, I think you were one of the first on the forum to introduce everybody to promodeler, so you had to of had it for awhile now.

    Sent from my SM-N960U using Tapatalk
    Thanks, though I won't take most of the credit as billy bones posted his experience and it piqued my interest. I bought a DS360DLHV about a year ago and is powered by a 5-cell nimh receiver pack. I was nervous about buying from the "small shop" but the owner answered my questions very quickly and the servo came in a very nice case. I was impressed by the machining and feel of it and dropped in with no problems. Has comparable speed but nearly 2.5x more torque than the single 2075 servo it replaced. Once the 2075's in the Slashes go boot tips up I'll purchase Promodeler replacements.
    The Super Derecho

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