{"product_id":"self-tensioning-winch-drum","title":"Self Tensioning Winch Drum","description":"\u003cdiv class=\"x14z9mp xat24cr x1lziwak x1vvkbs xtlvy1s x126k92a\"\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cdiv class=\"x14z9mp xat24cr x1lziwak x1vvkbs xtlvy1s x126k92a\"\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cspan style=\"text-decoration: underline; color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003ePlease Note - for the time being these are on Pre-Order.   We expect to start shipping around 5 October 2026.   Once this first batch is gone we will pause our production until the 2nd half of November as we will be out of the workshop for international travel.\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eSay goodbye to slipped sheet lines! We're proud to introduce our new Self-Tensioning Winch Drums for high-performance RC racing yachts.\u003cbr\u003e\u003cbr\u003eNo springs, no elastics — one less thing to fail on race day. These drums Keep positive tension on your sheet line automatically. 3D-printed using PA12 nylon (MJF technology) and hand-assembled by our team.\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAvailable in 36mm, 40mm \u0026amp; 42mm diameters. \u003c\/li\u003e\n\u003cli\u003eLeft \u0026amp; right-hand versions.\u003c\/li\u003e\n\u003cli\u003eCompatible with both 1\/4\" drive (RMG, Red Ant) and T25 spline (Kingmax \u0026amp; other servo winches). \u003c\/li\u003e\n\u003cli\u003eSupplied with a thumb screw for easy fitting and removal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDrum diameters refer to the drum face.  The overall diameter is 10mm larger.\u003c\/p\u003e\n\u003cp\u003eOrder the handedness that matches your winch rotation direction: Right-hand drum for anticlockwise rotation when sheeting in; Left-hand drum for clockwise rotation. Please specify your required variant in the order notes.\u003cbr\u003e\u003cbr\u003eThe vibro-polished finish delivers the smooth, low-friction surface shown in photos — essential for reducing drag.\u003c\/p\u003e\n\u003cp\u003eMinimal maintenance required. For saltwater use, rinse periodically in fresh water and apply a small amount of silicone grease between mating surfaces.\u003cbr\u003e\u003c\/p\u003e","brand":"Cat Components","offers":[{"title":"36mm \/ Hex fitting for RMG\/RedAnt etc","offer_id":63663154790730,"sku":"ST_Drum_36_Hex","price":28.62,"currency_code":"GBP","in_stock":true},{"title":"36mm \/ T25 Spline for Kingmax etc","offer_id":63663154823498,"sku":"ST_Drum_36_T25","price":30.3,"currency_code":"GBP","in_stock":true},{"title":"40mm \/ Hex fitting for RMG\/RedAnt etc","offer_id":63663154856266,"sku":"ST_Drum_40_Hex","price":30.82,"currency_code":"GBP","in_stock":true},{"title":"40mm \/ T25 Spline for Kingmax etc","offer_id":63663154889034,"sku":"ST_Drum_40_T25","price":32.81,"currency_code":"GBP","in_stock":true},{"title":"42mm \/ Hex fitting for RMG\/RedAnt etc","offer_id":63663154921802,"sku":"ST_Drum_42_Hex","price":31.97,"currency_code":"GBP","in_stock":true},{"title":"42mm \/ T25 Spline for Kingmax etc","offer_id":63663154954570,"sku":"ST_Drum_42_T25","price":34.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/1941\/7162\/files\/St_Drums_-_Multiple_Sizes.heic?v=1790162794","url":"https:\/\/catcomponents.co.uk\/products\/self-tensioning-winch-drum","provider":"Cat Components","version":"1.0","type":"link"}