Home Page › Forums › Modeling the Missouri Pacific, Texas & Pacific, etc › HO Scale › Building a Mopac GP-12 1065 (ex M-I RS-3) › Reply To: Building a Mopac GP-12 1065 (ex M-I RS-3)
The cast metal spark arrestors are a little taller than those used on the GP-12s but no model is perfect (at least not mine). Prototypically the spark arrestors sat on an upside down ‘|_|’ metal frame which the exhaust stack fit through. To simulate the frame I cut six Evergreen 1” x 10” pieces and acc glued these to the bottom of the casting getting the plastic flush with the outside of the spark arrestor. I still need to make the exhaust piece wider.
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