We have a house rule for that.
If using standard rules your variant sounds good.
I would take a second fluid gun (maybe front mounted) and additional ammo.
A rule that i personally thought to be true for a very long time without that rule actually existing:
That jump jets have to be allocated symmetrically.
Even though it is logical for that rule to no ...
I just submitted my Wombat Fire Fighting Tank and had to notice that the program does not allow additional heat sinks without proper heat producing equipment.
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