scx10 Chassis Mounted Servo CMS mod detailed write up Hoping a mod can make this a sticky Hello well i was tinkering the other day after seeing they want about 50$! for a CMS kit and came up with this and figured id do a write up for you fellow scx10 guys and gals. All in all it should cost about 1$ and 10mins of your time. Tools needed: File Drill press/drill 1/8 inch bit Hex drivers/allen keys Pliers/nut driver Items need(see step 11 for a picture) Stock steering parts 2 lock nuts 2 bolts 2 screws 1-So here we have a picture of your stock steering setup. http://i1118.photobucket.com/albums/k617/xiteamxi/1.jpg 2-Remove your steering servo and servo mounting plate . http://i1118.photobucket.com/albums/...iteamxi/11.jpg 3-Unbolt your shocks,its also nice to put something under your skid to support it makes things easier.(just so happens i have a scale jack :lmao:) http://i1118.photobucket.com/albums/...iteamxi/12.jpg http://i1118.photobucket.com/albums/...iteamxi/13.jpg http://i1118.photobucket.com/albums/...iteamxi/14.jpg 4-Next remove your shock towers and set them aside. http://i1118.photobucket.com/albums/...iteamxi/15.jpg http://i1118.photobucket.com/albums/...iteamxi/17.jpg 5-Then remove your front cross member . You can normally pry the frame rails enough to get it out but if not you may have to remove your front bumper. http://i1118.photobucket.com/albums/...iteamxi/16.jpg http://i1118.photobucket.com/albums/...iteamxi/18.jpg 6-Now your chassis should look something like this. If you have the other cross member you will also have to remove it i removed mine a wile ago. http://i1118.photobucket.com/albums/...iteamxi/19.jpg 7-Next take your cross member and drill through the front driver side with a 1/8 inch bit so a bolt can slide through. http://i1118.photobucket.com/albums/...teamxi/110.jpg http://i1118.photobucket.com/albums/...teamxi/111.jpg 8-Well with your front cross member out take a file and file the in side as shown from were the brace that runs at an angle to the front you want this about 1/8 of an inch or until it sits flush when in the frame rails as shown. http://i1118.photobucket.com/albums/...teamxi/112.jpg http://i1118.photobucket.com/albums/...teamxi/113.jpg 9-Next take your driver side shock tower and file it as shown this is the side towards the front end. http://i1118.photobucket.com/albums/...teamxi/116.jpg http://i1118.photobucket.com/albums/...teamxi/117.jpg 10-You may now bolt your shock towers back on but don't put the front bolts in. You can also bolt your shocks on. http://i1118.photobucket.com/albums/...teamxi/114.jpg 11-Now its time to pull out the stock steering stuff. The black screws(top left)will be replaced with the gold ones(center)you just need a screw with a smaller head to clear the frame rails. You will also need 2 bolts similar to the stainless ones(top right) they must have the tapered head and be about 1/2 inch long. You will also need 2 lock nuts to go with the stainless bolts. http://i1118.photobucket.com/albums/...teamxi/115.jpg 12-Next take the servo plate ,servo mounts,and new screws and put them together note leave the one screw some what loose http://i1118.photobucket.com/albums/...teamxi/118.jpg 13-Now take your servo plate and tapered bolts(stainless ones i had in step 11) put the bolts through the servo plate and through your frame rail and tighten them down with the lock nuts. http://i1118.photobucket.com/albums/...teamxi/119.jpg http://i1118.photobucket.com/albums/...teamxi/120.jpg 14-Now you can tighten the other screw on the servo mount through the shock hoop. Also you can put the other screw in on the front passenger side shock mount (i left this out because i used a Allen key through this hole to tighten the other side to speed things up) http://i1118.photobucket.com/albums/...teamxi/121.jpg http://i1118.photobucket.com/albums/...teamxi/122.jpg 15-Bolt your servo up put some steering links on and enjoy your CMS for dam near free!!!!! http://i1118.photobucket.com/albums/...teamxi/123.jpg http://i1118.photobucket.com/albums/...teamxi/124.jpg let me know what you think "thumbsup" or if you have any problems |
Re: scx10 Chassis Mounted Servo CMS mod detailed write up love it! great work and awesome detail thank you!"thumbsup" |
Re: scx10 Chassis Mounted Servo CMS mod detailed write up Nice job, does the steering link arm need to be altered in length? Also what is the benefit of doing this, is it purely to create a more scale look or does it perform better? Cheers Bill |
Re: scx10 Chassis Mounted Servo CMS mod detailed write up Nice write up....Super easy to understand!"thumbsup" Bill: You will most likely need a custom length drag link it all depends on the rig and suspension set up. CMS itself pretty much for looks, it performs no better than axle mounted steering....It can actually be worse, because it moves the servo up higher, and without a panhard bar you will have bump-steer when the axle articulates. |
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Re: scx10 Chassis Mounted Servo CMS mod detailed write up good job "thumbsup" that's exactly how i did mine. why pay for a kit when the parts are already on the rig? |
Re: scx10 Chassis Mounted Servo CMS mod detailed write up Hellz yeah! |
Re: scx10 Chassis Mounted Servo CMS mod detailed write up How's the bump steer? |
Re: scx10 Chassis Mounted Servo CMS mod detailed write up Great info, spent the weekend trying to figure out a cms. Drove me nuts so my friend brazed sum tabs up with a panhard. I'll be taking this in for my next scale build. Thnx |
Re: scx10 Chassis Mounted Servo CMS mod detailed write up thanks for the post and write up... |
Re: scx10 Chassis Mounted Servo CMS mod detailed write up http://img.tapatalk.com/aefda6d3-319b-4209.jpgI mounted mine on a 1/8 piece of lexan because the stock servo mount was too low and it would contact the axle at full compression. Easy and cheap.http://img.tapatalk.com/aefda6d3-31bc-e453.jpg |
Re: scx10 Chassis Mounted Servo CMS mod detailed write up Nice detailed write up w/pics thanks for taking the time to do and post up..... |
Re: scx10 Chassis Mounted Servo CMS mod detailed write up great mod thread will definately be playing with this one! |
Re: scx10 Chassis Mounted Servo CMS mod detailed write up Thanks guys i was running mine today all seemed good as far as bump steer ect beside the lack of steering power from the small servo i have one there when i put my jr9100hvt on that will go away.:lmao: |
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I ran it the way you have it but wanted to properly locate the axle using a 3 link so I made my own axle truss that had the upper link and panhard mount incorporated into it. The issue I ran into was the servo was too far back, too low and interfered with the panhard bar. I tried another truss with different geometry but still couldn't get it to work like a Hand bros kit. I've done it successfully on a non SCX scaler but its just not worth the time it took when I can buy a kit. I will say the OP did a great write up. |
Re: scx10 Chassis Mounted Servo CMS mod detailed write up for most people this way will work just as good as the hand bros. and for thos who have the extra 50 to throw around they will buy it any way but if your going to spend the cash doesn't hurt to try this way first."thumbsup" |
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Re: scx10 Chassis Mounted Servo CMS mod detailed write up Great idea but on my Honcho it didn't leave much for axle articulation. I'm going to make a plate like doors4u did to raise the servo up higher. I will also make a panhard mount, or try to atleast. |
Re: scx10 Chassis Mounted Servo CMS mod detailed write up my main question is can you still run the battery in the stock location after doing this? it seems that you have to remove the front crossmember that the battery tray bolts to. also it seems that the servo would not allow the stock battery tray to be reinstalled. is this the case? |
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EDIT: I can't find any but I'll snap some. |
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