https://sweepclimbing.com/blogs/news/boar-vs-nylon-bristles-which-climbing-brush-should-you-use 2026-07-01T21:36:21+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/studio-product-image_994ccfc4-9f73-47da-9c85-cbcead8892cf.png?v=1782934190 Boar vs. Nylon Bristles: Which Climbing Brush Should You Use? Two ChalkBlaster brush heads side by side — natural tan boar-hair bristles on the left, grey synthetic nylon bristles on the right. https://sweepclimbing.com/blogs/news/climbing-air-quality-chalk-dust-etiquette-and-cleaner-sessions 2026-07-01T21:36:21+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/climber-clapping-and-chalk-flying.png?v=1772720067 Air Quality in Climbing Gyms: Chalk, Rubber and Smarter Brushing Every clap of chalk sends a cloud into the air you're about to breathe. Photo: Sweep Climbing https://sweepclimbing.com/blogs/news/the-most-innovative-climbing-brushes-of-2026 2026-07-01T21:36:32+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/Brushes_e0b1351f-c7e3-4687-96f2-cb8a45d4d8e9.png?v=1782934190 What Is the Most Innovative and Best Climbing Brush of 2026? Illustration of six climbing brushes — a folding brush, wooden and neon handles, a long-reach brush, a wide brush, and the black electric ChalkBlaster jet-fan brush. https://sweepclimbing.com/blogs/news/the-build-journey-of-the-chalkblaster 2026-07-01T21:36:21+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/1771081511560_183977d1-c87c-4ce8-a20e-29c5fed9802c.jpg?v=1782934189 We Built It Wrong 7 Times Two black ChalkBlaster prototype designs labelled A and B, shown next to a smartphone for scale on grey carpet. https://sweepclimbing.com/blogs/news/stress-testing-our-brushes-until-they-break 2026-07-01T21:36:21+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/1772038651971_e61305bf-25c0-424a-b2e4-5fc0423a4f73.jpg?v=1772719973 We Tried to Destroy our Own Product A complete tear down of the ChalkBlaster showcasing each parts https://sweepclimbing.com/blogs/news/your-hands-are-dirtier-than-you-think-the-unwritten-rules-of-crag-etiquette 2026-07-01T21:36:21+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/wolf-lieff-4lvP6FVyr2M-unsplash.jpg?v=1772730440 Your Hands Are Dirtier Than You Think. The Unwritten Rules of Crag Etiquette. Photo by Wolf Lieff. Super caked climbing hold. Lets make sure to brush after climbing. https://sweepclimbing.com/blogs/news/i-was-banned-from-using-my-own-invention-at-a-competition 2026-07-01T21:36:20+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/IMG_5842.jpg?v=1772928258 I Was Banned From Using My Own Invention at a Competition Should we ban electric climbing brush at competition? https://sweepclimbing.com/blogs/news/have-portable-fans-for-bouldering-become-mainstream 2026-07-01T21:36:20+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/AOA_Fan_ac97b389-4ba1-46e1-addf-b42d56c6d44b.png?v=1776762680 Have Portable Fans for Bouldering Become Mainstream? Adam Ondra sitting in front a cordless fan during his bouldering session for Emotional Landscape 8C/V15, Photo byMartin Švec https://sweepclimbing.com/blogs/news/best-gifts-for-climbers-2026-10-things-theyll-actually-use 2026-07-01T21:36:20+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/WhatsAppImage2026-03-19at19.52.56.jpg?v=1777537384 2026 Best Gifts for Climbers: 10 Things They'll Actually Use! A climber brushing at sunset with the most innovative climbing brush of 2026. This is the perfect gift for the boulder who got everything. https://sweepclimbing.com/blogs/news/chalkblaster-heat-treatment-stronger-3d-printed 2026-07-01T21:36:02+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/Oven2.jpg?v=1782934189 How We Make the ChalkBlaster 20% Stronger — For Almost Nothing A tray of black 3D-printed ChalkBlaster handle parts standing upright in a household oven, being heat-treated to make them stronger. https://sweepclimbing.com/blogs/news/chalkblaster-angle-system-15-iterations 2026-07-01T21:36:02+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/Pivot.jpg?v=1782934189 The Part That Took 15 Tries Exploded view of the ChalkBlaster's angle-adjustment pivot system — small black joint parts, two half-collar clamps, screws and ball bearings laid out on a white surface. https://sweepclimbing.com/blogs/news/chalkblaster-production-batch-two-assembly 2026-06-03T22:42:43+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/Assembly_cb.jpg?v=1780497417 We Built It Wrong the First Time. Here's What Changed. Half assembled chalkblaster on a wooden table with brushes laying around. https://sweepclimbing.com/blogs/news/climbing-brush-guide 2026-06-04T09:00:47+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/WhatsApp_Image_2026-03-19_at_19.52.41.jpg?v=1780556447 Climbing Brushes: The Complete Guide to Choosing and Using One (2026) The ChalkBlaster in the frame with a majestic sunset in the background. https://sweepclimbing.com/blogs/news/what-our-first-production-batch-taught-us 2026-06-06T23:05:42+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/ChalkBlaster_sitting_on_top_of_a_bambulab_3d_printer.jpg?v=1780779508 What our first production batch taught us that CAD couldn't ChalkBlaster boxes sitting on top of bambulab 2PS 3D printer https://sweepclimbing.com/blogs/news/fans-jet-fans-bouldering-friction 2026-06-08T14:58:22+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/AI_generated_picture_of_rock_climbing_fans_and_jetfans_605367af-6466-4595-afc7-d670c1f08ed2.png?v=1780923288 Fans, leaf blowers, and where a jet fan fits in bouldering AI generated picture of rock climbing fans and jetfans https://sweepclimbing.com/blogs/news/chalkblaster-custom-motor-supplier 2026-06-15T14:02:20+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/Motor.jpg?v=1781524940 What a 150,000 RPM motor failure taught us about your ChalkBlaster Broken motor blade of a high-powered BLDC motor for Jet fan devices. https://sweepclimbing.com/blogs/news/chalkblaster-button-dust-resistant-batch-two 2026-07-01T21:36:01+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/1779892965143.jpg?v=1782933984 "The button gets less responsive over a few months." So we changed it. Rows of ChalkBlaster circuit boards on pink anti-static foam beside a batch of small BLDC jet-fan motors with red and black wire leads, laid out on a workbench during assembly. https://sweepclimbing.com/blogs/news/how-we-build-chalkblaster-real-world-testing 2026-07-01T21:26:34+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/1779989185122.jpg?v=1782933994 One month of testing beats six months of CAD. Here's how we build. A hand holding up a small circuit board above an open box of assorted BLDC motors and electronic components on a workshop bench. https://sweepclimbing.com/blogs/news/why-we-assembled-chalkblaster-in-house-before-outsourcing 2026-07-01T21:26:34+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/1779989534274_c5cdf906-3fd1-4106-bdca-7529f250ac64.jpg?v=1782933994 We could have outsourced assembly. Building the first batches by hand taught us why we didn't. Rows of matte-black ChalkBlaster handle bodies laid out on pink anti-static foam on a workbench, part-assembled with internal wiring visible, during an in-house production batch. https://sweepclimbing.com/blogs/news/how-the-first-chalkblaster-prototype-was-built 2026-07-01T21:26:37+02:00 weekly https://cdn.shopify.com/s/files/1/0812/6329/6534/articles/1781709926237_fb3474fb-ff5a-4350-9aca-46041c1bac98.jpg?v=1782933997 How the first ChalkBlaster went from a pile of parts to climbers' hands A brush, bristle, calipers and a pivot.