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Old 01-10-2018, 03:21 PM   #1
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Default Zero offset front bumper mount.

I have a situatuion with my Vaterra Ascender Blazer body where I would like to find a zero offset front bumper mount with the 43mm spacing. If I install the TRX4 front mount in the stock position the bumper is too low and if I flip the mount 180deg the front bumper is too high. I'm wondering if someone who owns both a TRX4 and SCX10 II could confirm if the SCX10 II front mount will fit the TRX4 frame rails. Here is a pic of my bumper with the front mount rotated 180 from stock and how the bumper fits a bit high relative to the body. A zero offset bumper mount would put the bumper about 1/8" lower which would be perfect. Thanks!


Last edited by Inspector86; 01-11-2018 at 08:28 PM.
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Old 01-10-2018, 03:55 PM   #2
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Default Re: Zero offset front bumper mount.

Quote:
Originally Posted by Inspector86 View Post
I have a situatuion with my Vaterra Ascender Blazer body where I would like to find a zero offset front bumper mount with the 43mm spacing. If I install the front mount in the stock position the bumper is too low and if I flip the mount 180deg the front bumper is too high. I'm wondering if someone who owns both a TRX4 and SCX10 II could confirm if the SCX10 II front mount will fit the TRX4 frame rails. Here is a pic of my bumper with the front mount rotated 180 from stock and how the bumper fits a bit high relative to the body. A zero offset bumper mount would put the bumper about 1/8" lower which would be perfect. Thanks!

Have you tried using a rear bumper mount on the front? That might get you closer to where you want to be.

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Old 01-11-2018, 01:33 PM   #3
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Default Re: Zero offset front bumper mount.

Quote:
Originally Posted by Inspector86 View Post
I have a situatuion with my Vaterra Ascender Blazer body where I would like to find a zero offset front bumper mount with the 43mm spacing. If I install the front mount in the stock position the bumper is too low and if I flip the mount 180deg the front bumper is too high. I'm wondering if someone who owns both a TRX4 and SCX10 II could confirm if the SCX10 II front mount will fit the TRX4 frame rails. Here is a pic of my bumper with the front mount rotated 180 from stock and how the bumper fits a bit high relative to the body. A zero offset bumper mount would put the bumper about 1/8" lower which would be perfect. Thanks!
I will let you know in a couple hours... If no one else has.

I just bought a vanquish with cms mount for this same purpose, I will be mounting my winch to the cms so it is behind the grille so I can use a better approach front bumper like my 1:1
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Old 01-11-2018, 06:40 PM   #4
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Default Re: Zero offset front bumper mount.

I can confirm that the SCX10.2 Bumper mount is the same width as the TRX4.



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Old 01-11-2018, 08:10 PM   #5
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Default Re: Zero offset front bumper mount.

Thanks but that's not what I need. I know that the actual bumper mount spacing is the same 43mm. What I need to know is if the SCX10.II bumper mount will fit on the TRX4 frame rails. Again, I'm looking for a zero offset front mount not the offset front mount of the stock TRX4.

Last edited by Inspector86; 01-11-2018 at 08:32 PM.
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Old 01-12-2018, 02:46 AM   #6
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Default Re: Zero offset front bumper mount.

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Originally Posted by Inspector86 View Post
Thanks but that's not what I need. I know that the actual bumper mount spacing is the same 43mm. What I need to know is if the SCX10.II bumper mount will fit on the TRX4 frame rails. Again, I'm looking for a zero offset front mount not the offset front mount of the stock TRX4.
I think the framerails are wider on the trx. Tried a frame mounted winch bumper fra an scx10 and that would not fit. I think the scx10 and scx10.2 are the same width.
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Old 01-12-2018, 08:21 AM   #7
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Default Re: Zero offset front bumper mount.

To report back.
The mount the hobby shop sold me is for an SCX not an SCX 2 at least according to the tag...

However the bumper mount spacing is the same as the TRX4.

The mount is slightly narrower than the frame rails on the TRX4 ,1 to 2 MM
The mount is slightly smaller height wise than the rails, also 1 to 2 MM
The mount is longer than the TRX4 mount where it bolts through the frame (mind you mine has the cms mounts and could be longer than the plastic version)

So at least the mount I have will work no problem with a little modification to the mount, I am going to go back to the hobby shop and see how much different a 2 mount is than the one I got and see if it will work better.

If this is all confusing I will get pics after work today and post.

Last edited by jhghah; 01-12-2018 at 11:15 AM. Reason: delete edit...
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Old 01-12-2018, 09:52 AM   #8
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Default Re: Zero offset front bumper mount.

Quote:
Originally Posted by Inspector86 View Post
I have a situatuion with my Vaterra Ascender Blazer body where I would like to find a zero offset front bumper mount with the 43mm spacing. If I install the TRX4 front mount in the stock position the bumper is too low and if I flip the mount 180deg the front bumper is too high. I'm wondering if someone who owns both a TRX4 and SCX10 II could confirm if the SCX10 II front mount will fit the TRX4 frame rails. Here is a pic of my bumper with the front mount rotated 180 from stock and how the bumper fits a bit high relative to the body. A zero offset bumper mount would put the bumper about 1/8" lower which would be perfect. Thanks!


I don't know if this is relevant. However in mounting a bumper to a scx10 style build I needed a 1/8 inch drop. I was using a VP CMS bumper mount and what I ended up doing was putting the bumper mounting legs under the bumper mount, then ran a long 3mm screw though the bumper mount holes.

I happened to be using a proline bumper so I was also able to replace those legs with delrin tube so that I could get an exact position(in/out).
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Old 01-12-2018, 08:20 PM   #9
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Default Re: Zero offset front bumper mount.

I just happen to have both and the SCX10.2 front bumper mount does fit with a bit of trimming. The TRX4 mount uses 4 screws to mount to the frame rails while the SCX10.2 only uses 2, you can probably just drill 2 holes and if needed use a nut if if wont take a screw nicely. The location of the mounting holes for the SCX10 is also a bit short of fitting which can be fixed by either stretching the frame rail hole forward or by trimming off the tab that locates the bracket to the frame (the tab is the outermost portion)

I took my SCX10.2 bracket and started trimming and snapping some pictures

Scale bolt heads need to be trimmed off



this rectangular nubbins needs trimming (on bottom)


notched in next to the scale bolt heads



TRX-4 frame kinks up so this area needs trimming (holding upside down)



The SCX10.2 (on top) needs the locating bump trimmed off and this also shows the slightly different mount hole locations



finally slides in

Last edited by HumboldtEF; 01-12-2018 at 08:25 PM.
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Old 01-12-2018, 09:52 PM   #10
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Default Re: Zero offset front bumper mount.

Good job of showing how to make the mod Casey!!! Pics help a lot.
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Old 01-12-2018, 10:12 PM   #11
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Default Re: Zero offset front bumper mount.

PERFECT! Thank You! That is exactly what I needed to know. Now I just need to order an SCX10.II front mount and I should be set. Thank You again.

Last edited by Inspector86; 01-12-2018 at 10:47 PM.
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Old 01-13-2018, 08:08 AM   #12
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Default Re: Zero offset front bumper mount.

He beat me to uploading pics...Damn. LOL

Here are some of the mounts I have to show what they are untrimmed.
Again mine is the Vanquish cms aluminum scx mount...
I do believe I will go buy the plastic version today and save the aluminum for another day.


https://i.lensdump.com/i/Y7szz.jpg




https://i.lensdump.com/i/Y73wT.jpg




https://i.lensdump.com/i/Y7Ktb.jpg



Right side up as far as it goes in.


https://i.lensdump.com/i/Y7pK7.jpg


https://i.lensdump.com/i/Y77fr.jpg



Upside down as far as it goies in.


https://i.lensdump.com/i/Y7HjF.jpg


https://i.lensdump.com/i/Y7lq3.jpg

Last edited by jhghah; 01-13-2018 at 08:20 AM.
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Old 01-13-2018, 09:45 AM   #13
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Default Re: Zero offset front bumper mount.

Quote:
Originally Posted by jhghah View Post
He beat me to uploading pics...Damn. LOL

Here are some of the mounts I have to show what they are untrimmed.
Again mine is the Vanquish cms aluminum scx mount...
Sorry I thought what you had was a different mount
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Old 01-13-2018, 10:59 AM   #14
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Default Re: Zero offset front bumper mount.

Thanks guys, that is the information I needed!
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Old 01-13-2018, 01:51 PM   #15
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Default Re: Zero offset front bumper mount.

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Originally Posted by HumboldtEF View Post
Sorry I thought what you had was a different mount
LOL
Its all good, yours is an actual scx 2 so it is a good reference.
I feel we covered it.
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Old 01-13-2018, 01:51 PM   #16
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Default Re: Zero offset front bumper mount.

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Originally Posted by Inspector86 View Post
Thanks guys, that is the information I needed!
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Old 01-16-2018, 09:15 AM   #17
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Default Re: Zero offset front bumper mount.

I have modified an SCX10.II bumper mount as outlined above but there are still some differences that make it a bit less than ideal. Turns out that the TRX4 bumper mount is offset both vertically and horizontally, meaning that in addition to the mounts vertical drop, the TRX4 mount extends horizontally farther forward than the SCX mount which creates a new problem namely that TRX4 bumper mount bars are too short. So I have a product request for those 3D printer parts guys out there. How about making and selling a vertical Zero offset TRX4 bumper mount? Most of the aftermarket bumpers I have found were designed for the SCX10 or SCX10.II which are equipped with vertical zero offset bumper mounts. By making a zero offset bumper mount that fits the TRX4 all these SCX bumpers would fit the TRX4 a little better. Ideally, I would like to see a mount that extends forward the same as the stock TRX4 but has zero vertical offset like the SCX10 mount. Just Sayin.

Last edited by Inspector86; 01-16-2018 at 09:37 AM.
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