PhilChris Posted August 14, 2017 Share Posted August 14, 2017 (edited) Hi all, I am currently building Accurate Miniatures B-25 Mitchell, in its "Dirty Dora" scheme and I have not been so far able to find out what color the inside of the engine cowlings were... My best guess would be some sort of grey but if anyone here has the answer I would be very gratefull! Cheers, Christophe Edited August 14, 2017 by PhilChris Link to comment Share on other sites More sharing options...
72modeler Posted August 14, 2017 Share Posted August 14, 2017 1 hour ago, PhilChris said: Hi all, I am currently building Accurate Miniatures B-25 Mitchell, in its "Dirty Dora" scheme and I have not been so far able to find out what color the inside of the engine cowlings were... My best guess would be some sort of grey but if anyone here has the answer I would be very gratefull! Cheers, Christophe This link should answer your question. Mike http://www.ipmsstockholm.org/magazine/2004/02/stuff_eng_interior_colours_us_part2.htm Link to comment Share on other sites More sharing options...
PhilChris Posted August 14, 2017 Author Share Posted August 14, 2017 Thank you Mike, this answers the question nicely (and I am glad that I painted the aft portion of the airplane "Chromate Yellow", as I have seen them painted interior green as well...) Christophe Link to comment Share on other sites More sharing options...
72modeler Posted August 14, 2017 Share Posted August 14, 2017 3 hours ago, PhilChris said: Thank you Mike, this answers the question nicely (and I am glad that I painted the aft portion of the airplane "Chromate Yellow", as I have seen them painted interior green as well...) Christophe Christophe, I also stumbled onto a color photo of the B-25 Inglewood assembly line that shows a complete engine assembly and cowling being installed; you can see that the cowling and cowl flap assemblies were painted with yellow zinc chromate before assembly, so would show on the inside surface after the exterior was painted. Scroll down to see the photo. These appear to be early B-25's, as evidenced by the exhaust arrangment; I have seen factory photos of the same engine/cowling assemblies in bare metal without the zinc chromate primer, so maybe late war production and especially those versions delivered in natural metal might have dispensed with the primer. Maybe Dana Bell can shed some light on this subject. Mike http://www.aviation-history.com/north-american/b25.html Link to comment Share on other sites More sharing options...
PhilChris Posted August 14, 2017 Author Share Posted August 14, 2017 Once again, thank you Mike. Christophe Link to comment Share on other sites More sharing options...
BS_w Posted August 23, 2017 Share Posted August 23, 2017 (edited) Found in Finish specification for B-25J "Aluminium & Aluminium alloys FA 23: Engine compartent surfaces, parts & members : one coat of zinc chromate primer" may be same for early models? Edited August 23, 2017 by BS_w Link to comment Share on other sites More sharing options...
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