[schwarze-man]

Thanks for posting your info about the DB610 gentlemen! I have many questions about 610 engine numbers and dataplates. The DB610 was constructed from two DB605 engines, paired through a common drive to a single propeller. However, the two DB605 component engines were not standard DB605's . Probably for harmonic vibration reasons of the coupled engines, the firing order was changed from 1,8,5,10,3,7,6,11,2,9,4,12 of a standard DB605 to 1,11,2,9,4,7,6,8,5,10,3,12 of a DB610 component engine. The cylinders are numbered right bank 1-6 and left bank 7-12, both bank numbering starting at the front. This firing difference was achieved with the same crank but, the camshafts, ignition harness and injection pump delivery plumbing had to change to match the changed firing order. Additionally, the righthand component engine had a complete mirror arrangement of supercharger, boost pipes with throttles and rear gearcase to accommodate its air inlet on the righthand side instead of the left side. The component engines were designated DB605W and DB605X for left and right component engine. Now, this leads me to ask how the engines were identified in practice? The DB type numbers for the component engines were DB605W and DB605X. Were these component engines given ID plates with this designation and numbering within the DB605 series? I can imagine that they did because, a problem with a component engine might require that it be exchanged for another. Did the DB610 complete "engine" have a complicated data plate (maybe on the combining gearhousing?) that listed the component engines fitted and, with spare spaces for changes to the component engines? Cheers

SM