Ortner hopper brake lines

I have been searching for information to superdetail Walthers Ortner gravel cars. I can’t find any information or photos of where the air line runs or whether the brake cylinders are truck mounted or body mounted. Anybody know?

Thanks.

Coachayers,
I just did a search of the Index of Magazines at this site using the word “Ortner” as the search term. The result is shown below. Even if the cars listed don’t match the specific type in which you are interested, possibly you can establish some “family” resemblance. Hope this helps.
Bob
NMRA Life 0543

Ortner 60-foot woodchip hopper, Railroad Model Craftsman, November 1980, page 106, ( 60FOOT, “CAVALIER, JULIAN”, DRAWING, HOPPER, ORTNER, FREIGHTCAR, PROTOTYPE, RMC )

Ortner five-bay hopper cars, Model Railroader, August 1981, page 62, ( ATSF, DRAWING, HOPPER, “ODEGARD, GORDON”, ORTNER, FREIGHTCAR, PROTOTYPE, MR )

Ortner Rapid Discharge car, Railroad Model Craftsman, July 1981, page 70, ( “CAVALIER, JULIAN”, DRAWING, HOPPER, “MATHIS, W.S.”, ORTNER, FREIGHTCAR, PROTOTYPE, RMC )

FEC Ortner Aggregate Rapid Discharge Hopper: Car of the 80’s, Mainline Modeler, February 1988, page 38. Article also published in The Best of Mainline Modeler’s Freight Cars Volume 2, page 66, ( DRAWING, FEC, HOPPER, “HUNDMAN, ROBERT L.”, ORTNER, FREIGHTCAR, PROTOTYPE, MM )

FEC Ortner Aggregate Rapid Discharge Hopper: Car of the 80’s, The Best of Mainline Modeler’s Freight Cars Volume 2, page 66. Article also published in Mainline Modeler, February 1988, page 38, ( DRAWING, FEC, HOPPER, “HUNDMAN, ROBERT L.”, ORTNER, FREIGHTCAR, PROTOTYPE )

Ortner Three-Bay Rapid Discharge Hoppers, part 1, Model Railroading, February 1996, page 32, ( AC, C&O, CENX, CMCX, CR, CSX, FEC, FLIX, “GEIGER, DOUG”, HOPPER, NS, ORTNER, PHOTO, SAL, SCRATCHBUILD, SMCX, SP, SR, SWPX, TMPX, TUGX, VMEX, WBCX, WPGX, WRRC, CONSTRUCTION, FREIGHTCAR, PROTOTYPE, MRG )

Ortner Three-Bay Rapid Discharge Hoppers, part 2, Model Railroading, March 1996, page 44, ( “GEIGER, DOUG”, HOPPER, ORTNER, PHOTO, SCRATCHBUILD, CONSTRUCTION, FREIGHTCAR, PROTOTYPE, HO, MRG )