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Old 03-30-2020, 07:06 AM   #1
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Default Help me upgrade SCX24 servo

I like to upgrade the servo in SCX24.

I found two possible options.

1. SH 0257MG
2. EMAX ES08MA II

#1 is twice as expensive as #2, but I couldn't find any details of them. Could anyone provides how similar or different they are? Which one would you recommend me?

p.s. For some reason, I already have the servo mount of #1, bought from shapeways.com.
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Old 03-30-2020, 07:56 AM   #2
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Default Re: Help me upgrade SCX24 servo

Quote:
Originally Posted by Veteran View Post
I like to upgrade the servo in SCX24.



I found two possible options.



1. SH 0257MG

2. EMAX ES08MA II



#1 is twice as expensive as #2, but I couldn't find any details of them. Could anyone provides how similar or different they are? Which one would you recommend me?



p.s. For some reason, I already have the servo mount of #1, bought from shapeways.com.
I'm still learning here but on the majority of builds I've seen here #2 was the way they went

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Old 03-30-2020, 08:08 AM   #3
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Default Re: Help me upgrade SCX24 servo

Quote:
Originally Posted by bchain5 View Post
I'm still learning here but on the majority of builds I've seen here #2 was the way they went

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Yap. I had the same observation, but my impression is like the reason why many went for #2 is because it doesn't require an additional servo mount whereas #1 does. This is my conclusion, but I'm not 100% sure.
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Old 03-30-2020, 09:49 AM   #4
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Default Re: Help me upgrade SCX24 servo

Not requiring a servo mount isn't a bad thing. I and plenty of others are happy with the emax and they are roughly $5 each. I haven't used the other servo however

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Old 03-30-2020, 09:57 AM   #5
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Default Re: Help me upgrade SCX24 servo

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Originally Posted by spoo76 View Post
Not requiring a servo mount isn't a bad thing. I and plenty of others are happy with the emax and they are roughly $5 each. I haven't used the other servo however

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You're definitely right.

I just wonder how much torque each can exert.
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Old 03-30-2020, 10:07 AM   #6
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Default Re: Help me upgrade SCX24 servo

I went with option #2 and got the mount from Shapeways. Still waiting on the servo but I'll report back on the installation soon.

Quote:
Originally Posted by Veteran View Post
I like to upgrade the servo in SCX24.

I found two possible options.

1. SH 0257MG
2. EMAX ES08MA II

#1 is twice as expensive as #2, but I couldn't find any details of them. Could anyone provides how similar or different they are? Which one would you recommend me?

p.s. For some reason, I already have the servo mount of #1, bought from shapeways.com.
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Old 03-30-2020, 10:34 AM   #7
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Default Re: Help me upgrade SCX24 servo

Quote:
Originally Posted by Veteran View Post
You're definitely right.



I just wonder how much torque each can exert.
I haven't had or heard of any issues with brass knuckles and Mil Stones

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Old 03-30-2020, 12:07 PM   #8
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Default Re: Help me upgrade SCX24 servo

I have two of the emax 08's in my SCX. They have more than enough torque to turn under a lot of load.

Mine has 4WS and weighted scrambler tires which are very tall and I have zero torque issues. Mines been setup 4WS with a 050 motor for a long time. Zero issues with that servo even with the added power and 4WS'ing.

EMax all the way if you ask me.

PS: Each of my wheels had 22grams of weight added. Plus two 9gram brass diff caps.


Last edited by BIGW0RM; 03-30-2020 at 12:10 PM.
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Old 03-30-2020, 02:30 PM   #9
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Default Re: Help me upgrade SCX24 servo

Quote:
Originally Posted by BIGW0RM View Post
I have two of the emax 08's in my SCX. They have more than enough torque to turn under a lot of load.

Mine has 4WS and weighted scrambler tires which are very tall and I have zero torque issues. Mines been setup 4WS with a 050 motor for a long time. Zero issues with that servo even with the added power and 4WS'ing.

EMax all the way if you ask me.

PS: Each of my wheels had 22grams of weight added. Plus two 9gram brass diff caps.

I have almost the same upgrades installed in my SCX24, (Beadlock wheels, Swamper tires, Wheel weights, and brass diff caps). As suggested by many others including you, I will go for EMax.

I managed to find the specs of both SH 0257MG and EMAX ES08MA II. Let me add them below for comparison, where you will see tiny differences.

SH 0257MG
Torque @ 4.8v - 1.8kg/25.0oz-in
Torque @ 6v - 2.2kg/30.6oz-in
Speed @ 4.8v - 0.13 sec/60 deg
Speed @ 6v - 0.09 sec/60 deg
Dimensions L x W x H (mm):22.8 x 12.0 x 25.4
Weight: 14g

EMAX ES08MA II
Torque @ 4.8v - 1.6kg/21.0oz-in
Torque @ 6v - 2.0kg/28.0oz-in
Speed @ 4.8v - 0.12 sec/60 deg
Speed @ 6v - 0.1 sec/60 deg
Dimensions L x W x H (mm):23 x 11.5 x 24
Weight: 12g
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Old 03-30-2020, 02:32 PM   #10
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Default Re: Help me upgrade SCX24 servo

Looks like they are close enough on specs. I don't think that difference wouldn't be noticable

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Old 03-30-2020, 02:53 PM   #11
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Default Re: Help me upgrade SCX24 servo

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Originally Posted by spoo76 View Post
Looks like they are close enough on specs. I don't think that difference wouldn't be noticable

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Definitely!
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Old 03-30-2020, 09:53 PM   #12
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Default Re: Help me upgrade SCX24 servo

I run the emax es09md

Just needed longer screws
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Old 03-31-2020, 01:57 AM   #13
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Default Re: Help me upgrade SCX24 servo

Quote:
Originally Posted by jimbo74 View Post
I run the emax es09md

Just needed longer screws
Did the es09md fit SCX24 without further mod?

Do I need the mount like, https://www.shapeways.com/product/CK...li=marketplace ?

Last edited by Veteran; 03-31-2020 at 05:00 AM.
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Old 03-31-2020, 08:58 AM   #14
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Default Re: Help me upgrade SCX24 servo

Quote:
Originally Posted by Veteran View Post
Did the es09md fit SCX24 without further mod?

Do I need the mount like, https://www.shapeways.com/product/CK...li=marketplace ?
I did a very very tiny bit of trimming where the servo wire pokes through, but I'm not sure it even needs it. I just used longer screws and moved the steering link to the back or the servo horn

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Old 03-31-2020, 09:36 AM   #15
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Default Re: Help me upgrade SCX24 servo

Add another vote for the EMAX servo. It is more than enough and you can't beat the price. I even specified that servo when designing the Micro Shark.
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Old 03-31-2020, 09:46 AM   #16
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Default Re: Help me upgrade SCX24 servo

Didnt the emax 09 act funny or something? I thought I read the 09's where glitchy or something being digital over the analog 08's? Just asking because I always like a cheap micro upgrade! = )
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Old 03-31-2020, 09:52 AM   #17
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Default Re: Help me upgrade SCX24 servo

I did have to adjust the dual rates slightly, otherwise it would brown out if I left it at full lock for an extended amount of time

It fit in the stock tray fine. Only needed 2 longer screws
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Old 03-31-2020, 09:54 AM   #18
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Default Re: Help me upgrade SCX24 servo

Quote:
Originally Posted by BIGW0RM View Post
Didnt the emax 09 act funny or something? I thought I read the 09's where glitchy or something being digital over the analog 08's? Just asking because I always like a cheap micro upgrade! = )
I've only heard of a difference between the official and the knockoffs that look very similar

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Old 03-31-2020, 10:00 AM   #19
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Default Re: Help me upgrade SCX24 servo

Quote:
Originally Posted by spoo76 View Post
I've only heard of a difference between the official and the knockoffs that look very similar

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TY.
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Old 03-31-2020, 02:45 PM   #20
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Default Re: Help me upgrade SCX24 servo

So, can we say like, the ultimate value for money is es09md?
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