This is the front and rear of the intakes assembled. The only balsa grain that has been filled so far is the front interior of the intake.
There are some recessed tab areas throughout.
On the right I circled some of the deeper areas. With the CA glue in the recess, CWF probably won't stay in when sanded down.
I cut some thin slivers of 1/16" balsa and CA'd them in place.
I did the same thing under the center tab at the intake front. The tab was too short to sand flush.
The picture shows a balsa sliver fill after sanding.
Under that, I've yet to sand the bent "V" leading edge round.
Another way is to apply a tiny bit of CA in the recess then quickly sand over the glued hole. Sanding "dust" will stick to the CA and fill the square hole. But, you've got to be quick.
The CA glue can gum up the sandpaper though.
Be ready - These intakes take about 30 minutes each to glue together.
It takes quite a while longer to adequately fill all the gaps and seams.
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