Brianna -
I assume you've done tests to know that the chocolate adheres well to your center.
Can you specify thinness as a measurement, not weight? 8-10gr of chocolate on 28gr of center is 25-30% by weight which seems fairly thick, actually. And the pieces are fairly big. What shape are they? Not sure if the can be panned or if they need to be enrobed.
You can thin out the chocolate a tad (is this the point of the cocoa butter question?).
There is usually a movable blower attachment on an enrober belt. The blower can be positioned quite close to the work to remove a significant amount of chocolate.
Enrobers should also have pre-bottomers and de-tailers so I would not "settle" for having a foot around the pieces.
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@DiscoverChoc