James B Posted September 16, 2017 Share Posted September 16, 2017 Hi, I'm mid-way through a build of Tamiya's P47 Bubbletop. I have the option of open or closed "air outlets". (step 5 for those with instructions). I've searched here and the wider web, but keep ending up in threads about exhaust stains. I believe they are intercooler air outlets, but am not 100% certain. However, what I am wanting to know is when these are open and when would they be shut. I am modelling mine in flight, about to start an attack run, so have the cowl in the closed position are the "air outlets" the same? Many thanks James Link to comment Share on other sites More sharing options...
Jure Miljevic Posted September 16, 2017 Share Posted September 16, 2017 Hello, James I believe you can use both option. I understand P-47D had interconnected engine controls and could have been controlled with throttle only, but had a provision for manual override. Automatic intercooler control kept temperatures between 12°C and 35°C. Sliding doors could be opened or closed manually when temperatures were outside these parameters or carburetor ice had been suspected, which was likely with humid air at temperatures just above 0°C. For flying attitude that you described for your model high rpm, high boost and water injection are not very likely, so I would choose closed intercooler doors. For additional information, here are links to P-47B, C, D and G manual and P-47N manual in PDF: http://www.theshermantank.com/wp-content/uploads/2015/12/P-47B-G-TO-01-65BC-1.pdf https://www.spruemaster.com/blog/wp-content/gallery/manual/Republic_P-47 Thunderbolt.pdf Cheers Jure 3 Link to comment Share on other sites More sharing options...
James B Posted September 16, 2017 Author Share Posted September 16, 2017 Thank you, @Jure Miljevic. Really appreciate the detailed answer. Closed they shall be. Link to comment Share on other sites More sharing options...
Don McIntyre Posted September 17, 2017 Share Posted September 17, 2017 There was even a video at one time online that showed the doors opening and closing, but I lost the link during a computer swap. Link to comment Share on other sites More sharing options...
Johnny_K Posted September 24, 2017 Share Posted September 24, 2017 Check out this video: https://www.bing.com/videos/search?q=p-47&&view=detail&mid=50DC5AC9EB6428D7E36150DC5AC9EB6428D7E361&FORM=VRDGAR 1 1 Link to comment Share on other sites More sharing options...
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