Inside the XB-15 thejivebombers Army Air Corps & Army Air Service January 29, 2018April 20, 2020 1 Minute Inside the engine nacelle of the XB-15. The engines could be accessed in flight, and the nacelle interior seems roomy enough. Note the oil can mounted lower right. Manufactured by Brookins, its stamped “Two Gallons”. Share this:TwitterFacebookLike this:Like Loading... Related Published by thejivebombers View all posts by thejivebombers Published January 29, 2018April 20, 2020