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ATSF_Arizona John Sing | profile | all galleries >> Galleries >> N scale Atlas/Kato RS11 shell onto a Atlas DCC-ready RS11 mechanism tree view | thumbnails | slideshow | map

N scale Atlas/Kato RS11 shell onto a Atlas DCC-ready RS11 mechanism

This photo essay documents the modifications I did to install an N scale Atlas/Kato RS11 shell onto a Atlas DCC-ready RS11 mechanism. This places the shell on a mechanism with correct wheelbase for the Alco RS11, and results in a huge improvement in smooth running characteristics, While I didn't do it, the Atlas mechanism also supports a drop-in DCC decoder.

I hope you enjoy the photos.

John Sing
November 3, 2015
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aa Atlas-Kato shell on DCC-ready mechanism on left - orig Atlas-Kato mechanism on right.jpg
aa Atlas-Kato shell on DCC-ready mechanism on left - orig Atlas-Kato mechanism on right.jpg		 aaa1 removing Atlas-Kato cab and shell from original mechanism.jpg
aaa1 removing Atlas-Kato cab and shell from original mechanism.jpg		 aaa2 to remove Atlas-Kato shell - first spread cab outward to allow tabs to release.jpg
aaa2 to remove Atlas-Kato shell - first spread cab outward to allow tabs to release.jpg
aaa4 retaining tabs RS11 DCC-ready cab and Atlas-Kato RS11 cab.jpg
aaa4 retaining tabs RS11 DCC-ready cab and Atlas-Kato RS11 cab.jpg		 aab2 comparing Atlas-Kato RS11 shell with DCC-ready RS11 shell.jpg
aab2 comparing Atlas-Kato RS11 shell with DCC-ready RS11 shell.jpg		 aab3 removing Atlas-Kato shell.jpg
aab3 removing Atlas-Kato shell.jpg
aac3 comparing Atlas-Kato RS11 cab with DCC-ready RS11 cab.jpg
aac3 comparing Atlas-Kato RS11 cab with DCC-ready RS11 cab.jpg		 aae comparing Atlas-Kato RS11 shell with DCC-ready RS11 shell.jpg
aae comparing Atlas-Kato RS11 shell with DCC-ready RS11 shell.jpg		 aaf comparing Atlas-Kato RS11 shell with DCC-ready RS11 shell.jpg
aaf comparing Atlas-Kato RS11 shell with DCC-ready RS11 shell.jpg
aag1 comparing Atlas-Kato RS11 shell with DCC-ready RS11 shell.jpg
aag1 comparing Atlas-Kato RS11 shell with DCC-ready RS11 shell.jpg		 aag2 goal - Atlas-Kato shell and cab must clear entire DCC ready mechanism under cab area.jpg
aag2 goal - Atlas-Kato shell and cab must clear entire DCC ready mechanism under cab area.jpg		 aai underside DCC-ready RS11 shell with tabs.jpg
aai underside DCC-ready RS11 shell with tabs.jpg
aaj underside Atlas-Kato RS11 shell now tabsl.jpg
aaj underside Atlas-Kato RS11 shell now tabsl.jpg		 aam comparing Atlas-Kato RS11 sill with DCC-ready RS11 sill.jpg
aam comparing Atlas-Kato RS11 sill with DCC-ready RS11 sill.jpg		 aan comparing Atlas-Kato RS11 sill with DCC-ready RS11 sill.jpg
aan comparing Atlas-Kato RS11 sill with DCC-ready RS11 sill.jpg
aao comparing Atlas-Kato RS11 sill with DCC-ready RS11 sill.jpg
aao comparing Atlas-Kato RS11 sill with DCC-ready RS11 sill.jpg		 aap comparing Atlas-Kato RS11 sill with DCC-ready RS11 sill.jpg
aap comparing Atlas-Kato RS11 sill with DCC-ready RS11 sill.jpg		 aba first cut out of solid cab area Atlas-Kato shell.jpg
aba first cut out of solid cab area Atlas-Kato shell.jpg
abc first cut out of solid cab area Atlas-Kato shell.jpg
abc first cut out of solid cab area Atlas-Kato shell.jpg		 abg first cut out of solid cab area Atlas-Kato shell.jpg
abg first cut out of solid cab area Atlas-Kato shell.jpg		 abi first cut out of solid cab area Atlas-Kato shell.jpg
abi first cut out of solid cab area Atlas-Kato shell.jpg
abk how to cut out solid cab area 1 from above.jpg
abk how to cut out solid cab area 1 from above.jpg		 abm how to cut out solid cab area 2 from underside.jpg
abm how to cut out solid cab area 2 from underside.jpg		 abo used same method 2 - dremel cut from underside - to cut out more cab area.jpg
abo used same method 2 - dremel cut from underside - to cut out more cab area.jpg
abq used same method 2 - dremel cut from underside - to cut out more cab area.jpg
abq used same method 2 - dremel cut from underside - to cut out more cab area.jpg		 aca ending result Atlas-Kato RS-11 shell.jpg
aca ending result Atlas-Kato RS-11 shell.jpg		 ada Atlas-Kato shell must clear entire DCC ready mechanism under cab.jpg
ada Atlas-Kato shell must clear entire DCC ready mechanism under cab.jpg
adc Atlas-Kato shell must clear entire DCC ready mechanism under cab.jpg
adc Atlas-Kato shell must clear entire DCC ready mechanism under cab.jpg		 adg Atlas-Kato shell must clear entire DCC ready mechanism under cab.jpg
adg Atlas-Kato shell must clear entire DCC ready mechanism under cab.jpg		 adi Atlas DCC ready mechanism under cab.jpg
adi Atlas DCC ready mechanism under cab.jpg
adj entire DCC ready mechanism.jpg
adj entire DCC ready mechanism.jpg		 adl a view of original Atlas?Kato RS11 and RS3 mechanism.jpg
adl a view of original Atlas?Kato RS11 and RS3 mechanism.jpg		 aea Atlas-Kato cab cut to clear mechanism long hood side.jpg
aea Atlas-Kato cab cut to clear mechanism long hood side.jpg
aee Atlas-Kato cab glass must be cut to clear underside.jpg
aee Atlas-Kato cab glass must be cut to clear underside.jpg		 aei must use DCC-ready numberboards to clear light boards.jpg
aei must use DCC-ready numberboards to clear light boards.jpg		 aek must use DCC-ready numberboards to clear light boards.jpg
aek must use DCC-ready numberboards to clear light boards.jpg
afa mark shell for notch for nubs.jpg
afa mark shell for notch for nubs.jpg		 afe mark shell for notch for nubs.jpg
afe mark shell for notch for nubs.jpg		 afg DCC-ready shell has notch for nubs.jpg
afg DCC-ready shell has notch for nubs.jpg
afi DCC-ready shell has notch for nubs.jpg
afi DCC-ready shell has notch for nubs.jpg		 afk dremel tool notch shell for for nubs.jpg
afk dremel tool notch shell for for nubs.jpg		 afm dremel tool notch shell for for nubs.jpg
afm dremel tool notch shell for for nubs.jpg
afo dremel tool notch shell for for nubs.jpg
afo dremel tool notch shell for for nubs.jpg		 aga Atlas-Kato shell needs grinding on one pair of undersill spacers.jpg
aga Atlas-Kato shell needs grinding on one pair of undersill spacers.jpg		 aha comparing DCC ready RS11 shell with Atlas Kato RS11 shell.jpg
aha comparing DCC ready RS11 shell with Atlas Kato RS11 shell.jpg
ahe comparing DCC ready RS11 shell with modified Atlas Kato RS11 shell.jpg
ahe comparing DCC ready RS11 shell with modified Atlas Kato RS11 shell.jpg		 ahi use DCC-ready shell lightboards in Atlas-Kato RS11 shell.jpg
ahi use DCC-ready shell lightboards in Atlas-Kato RS11 shell.jpg		 aic now grind inside clearances on Atlas-Kato shell - DCC ready shell comparison.jpg
aic now grind inside clearances on Atlas-Kato shell - DCC ready shell comparison.jpg
aie rear of shell Atlas-Kato tab will clear mechanism and fit fine.jpg
aie rear of shell Atlas-Kato tab will clear mechanism and fit fine.jpg		 aig rear of shell Atlas-Kato tab clears mechanism fits fine.jpg
aig rear of shell Atlas-Kato tab clears mechanism fits fine.jpg		 aii rear of shell Atlas-Kato tab clears mechanism fits fine.jpg
aii rear of shell Atlas-Kato tab clears mechanism fits fine.jpg
aik rear of shell Atlas-Kato tab clears mechanism fits fine.jpg
aik rear of shell Atlas-Kato tab clears mechanism fits fine.jpg		 alc reinstall MT 1150 adapter clears DCC shell and mechanism fine.jpg
alc reinstall MT 1150 adapter clears DCC shell and mechanism fine.jpg		 ale MT 1150 adapter rectangular mounting pad fits gap in Atlas-Kato shell.jpg
ale MT 1150 adapter rectangular mounting pad fits gap in Atlas-Kato shell.jpg
amc Atlas-Kato shell on DCC-ready mechanism on left - orig Atlas-Kato mechanism on right.jpg
amc Atlas-Kato shell on DCC-ready mechanism on left - orig Atlas-Kato mechanism on right.jpg		 anc1 Compare DCC ready mechanism on left - orig Atlas-Kato mechanism on right.jpg
anc1 Compare DCC ready mechanism on left - orig Atlas-Kato mechanism on right.jpg		 and correct wheelbase RS11 mech on top - 1ft short orig mechanism on bottom.jpg
and correct wheelbase RS11 mech on top - 1ft short orig mechanism on bottom.jpg
anf inverted correct wheelbase RS11 mech on bottom - 1ft short orig mechanism on top.jpg
anf inverted correct wheelbase RS11 mech on bottom - 1ft short orig mechanism on top.jpg		 anh End of our story - compare Atlas-Kato mechanism on left - DCC mechanism on right.jpg
anh End of our story - compare Atlas-Kato mechanism on left - DCC mechanism on right.jpg
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