Quote:
The E-7 was essentially equivalent to the DB601N powered E-4/N but with fuselage shackles for either a 300 litre (66 gal) fuel tank or 330 kg (550 lb) of bombs
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So his assuming E/4 and early models didn't mount fuel racks.
On the other had we have that Galland flew H51 on SCW, which used external drop tanks made of plywood, yes

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I'm guessing hes taking account that, and not only 109's.
Anyway we r on the right direction.