I believe the variant of the Ju86 deployed during the Battle of Britain was the Ju86P which looks and performs very differently from the ones pictured in this thread (it was a pressurized, high-alt recon/bomber). The Ju86P had different engines and a totally new cockpit section. See
http://chezpeps.free.fr/plus/russie/...8_06_2009.html for some pics.
Cheers,
Fafnir_6