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The trick to not gouging with the sharp corner of a scraper is to flex the scraper by holding the scraper with both hands across the top with thumbs in the middle. On a convex surface there is no problem without flexing the scraper. A round screwdriver shaft and a drop of motor oil is all it takes to burnish a burr on a freshly sharpened (filed) scraper or to touch up the burr between sharpenings.
The scraper is the best tool for feathering epoxy, removing runs, kocking off high spots and fairing epoxy. It sure is faster than sanding.
For complete instructions on scrapers see: http://www.mcs.net/~brendler/oldtools/scraping/scraper.htm
This is an archived message from The Kayak Building Bulletin Board.
Guillemot Kayak - High Performance Wooden Sea Kayak Designs