Hell Dave, you mix something up. The Blohm and Voss BV141 was only a observer plane. Therefore the asymetrie so the observer was not hindered in his sight in any way. And as said produced by Blohm and Voss. ARADO did produce the first jet bomber Ar234.
Regards,

1200px-Arado_234B_1.jpg (139.4 KB, 31 downloads)

wotan, gd.c-b#105

"Never look for sqare eggs" as a late owner of an original FHH-dagger used to say.