Gonytia Hot Knife Proves its Mettle


A hot knife is a luxury item, but nothing is better for cutting and sealing synthetic rope and fabric. We find ourselves reaching for it often. Until recently, we’ve been relying on a hot knife conversion for our 50-year-old Radio Shack soldering gun (see “The Unsung Hero of Canvas Work,” PS March 2020). But that gun bit the dust, and when we plugged the attachment into a new Weller gun of the same specifications, we were disappointed with the results. It takes too long to heat up and doesn’t get as hot. So we began a search for a dedicated hot knife that wouldn’t break the budget.

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Darrell Nicholson
Darrell Nicholson is Director of Belvoir Media Group's marine division and the editor of Practical Sailor. A lifelong thalassophile, he grew up sailing everything from El Toro dinghies to classic Morgans on Miami's Biscayne Bay. In the early 90s, he left a newspaper job to sail an old gaff-rigged ketch across the Pacific and has been writing about boats and the sea ever since. His weekly blog Inside Practical Sailor offers an inside look at current research and gear tests at Practical Sailor, while his award-winning column,"Rhumb Lines," tracks boating trends and reflects upon the sailing life. He sails a Sparkman & Stephens-designed Yankee 30 out of St. Petersburg, Florida. You can reach him at darrellnicholson.com.