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Atlas O Scale F7 Coupler Mount - Steel Optimized 3d printed

DIGITAL PREVIEW
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Matte Black Steel
Atlas O Scale F7 Coupler Mount - Steel Optimized 3d printed
Atlas O Scale F7 Coupler Mount - Steel Optimized 3d printed

DIGITAL PREVIEW
Not a Photo

Atlas O Scale F7 Coupler Mount - Steel Optimized 3d printed
Atlas O Scale F7 Coupler Mount - Steel Optimized 3d printed

DIGITAL PREVIEW
Not a Photo

Atlas O Scale F7 Coupler Mount - Steel Optimized

Made by
$21.04
Ships as soon as 17 days
3D printed in treated for a matte black finish and textured with visible print lines.
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Product Description
**** THIS IS AN UPDATED FILE. The original, when printed in steel, was very tight inserting the Kadee 743 coupler box and required a lot of fitting to get it to work. The coupler pocket is now slightly oversized to better accomodate the 743 coupler box. Additionally, based on the multiple samples recieved in different materials, the height was fine tuned to reduce the amount of fitting required to acheive the NMRA height standard ****

Atlas makes an excellent O scale F7 model, with a few areas that could be improved. One of which is the rear coupler area. On the prototype F7 there is considerably more of the draft gear visible. For some reason Atlas has decided to leave some of the draft gear off. This piece adds much needed detail while also allowing for the easy installation of a Kadee 743 short shank coupler. The 3D CAD file was created so that the 743 coupler would sit at the correct NMRA standard height….however….as with ALL 3D printing, small dimensional variations can occur. The way this file is printed, if the height is off, it should cause the coupler to sit low. If it does, simply block sand the surface that mounts to the chassis of the locomotive until the correct height is achieved. Also, the outer screw holes of the 743 coupler box will need to be removed to allow the assembled coupler to fit in the mount. The assembled coupler is held in place with one M2 socket head cap screw (not included). The 3D CAD file was created for the M2, however a 2-56 screw could also be used, but might require minor modification to the mount.

 Atlas O scale F2/F3 and/or B Units – This mount has not been tested with the F2/F3 or B units, however, it’s very possible Atlas used the same coupler mounting bracket for all the F unit engines, and as such it might fit.

3 Rail – This mount was designed and tested to work with the 2 rail F7 engine. It has NOT been tested with the 3 rail locomotive. If you decide to give it a try, please let me know how it fits!

Materials – This mount has been tested printed in the Black Professional Plastic as well as Matte Black Steel. The steel option is for those who don't want to worry about potential failure of the mount and are willing to look past the surface finish. If you value detail over peformance, Black Professional Plastic is the better choice and that part is available HERE.
Details
What's in the box:
Atlas O Scale F7 Coupler Mount - Steel Optimized
Dimensions:
3.13 x 1.32 x 1.61 cm
Switch to inches
1.23 x 0.52 x 0.64 inches
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Success Rate:
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Rating:
Mature audiences only.
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