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I have been building a set of homemade wheel pants to learn composites and paint, so far pretty happy with my product but have a few questions.
1) how fine should I sand the fiberglass prior to applying primer ? 400 grit?
2) wet sand between coats of primer and paint?
3) do your wheel pants have a rear bulkhead, I assume it's for structure and act as a mud flap.
![IMG_5578.jpg IMG_5578.jpg](https://cdn.imagearchive.com/biplaneforum/data/attachments/27/27527-cb22ba9799b46c9dfa7f1c9646e31097.jpg)
I have been building a set of homemade wheel pants to learn composites and paint, so far pretty happy with my product but have a few questions.
1) how fine should I sand the fiberglass prior to applying primer ? 400 grit?
2) wet sand between coats of primer and paint?
3) do your wheel pants have a rear bulkhead, I assume it's for structure and act as a mud flap.
![IMG_5578.jpg IMG_5578.jpg](https://cdn.imagearchive.com/biplaneforum/data/attachments/27/27527-cb22ba9799b46c9dfa7f1c9646e31097.jpg)
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