Pylons
The picture you show is of a 707-227, these aircraft, along with the -4** models of BOAC, LUFTHANSA, VARIG, AIR INDIA etc, did have the
'dog box' on top of the #1 engine (the curved pylon you refer to). But all the -3** aircraft,
which Cogi have modeled, have a straight fairing
in the #1 position.
I hope this explains the situation.
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