SEILmagasinet · video

What this video covers

Cordless polishing machines are tested against corded models for boat hull work, with Thomas Nilsson evaluating two Robi dual-action (oscillating and rotating) polishers on a 25-year-old blue-hulled boat.▶ 0:00 Both Robi units combine oscillating and rotating motion, which he contrasts with purely oscillating or purely rotating machines — rotating is more aggressive, oscillating gives a finer finish, and the dual-action design delivers both speed and quality.▶ 1:59 A 5 Ah battery provides adequate runtime; a 1.5 Ah pack saves weight for overhead work.▶ 2:22 One Robi model costs under 1,000 NOK without battery, the other 1,399 NOK, which Nilsson calls surprisingly competitive with corded tools.▶ 8:50 For compound, he uses TC Nano Nanopolis, a single-product cleaner-polish-protectant.▶ 3:34 For oxidized or heavily chalked gelcoat, he recommends Mirka Abralon wet-sanding pads (500–4000 grit) before polishing.▶ 4:17 Pad testing covers foam, wool, and microfiber; Nilsson favors a wool pad for cutting and finishes by hand with a microfiber cloth.▶ 5:24 He concludes that battery-powered polishers are now good enough to replace corded machines, and are the better choice when working on a boat afloat.▶ 8:38

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