{"product_id":"4-5-level-helix-for-kato-unitrack-r490-mm-r550-mm","title":"4.5 LEVEL HELIX for Kato Unitrack (R490 mm \/ R550 mm) (Copy)","description":"\u003cdiv class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\" data-voice-floating-orb-focus-background=\"\"\u003e\n\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-697e9d0a-1f5c-8389-9f4a-390390789e8f-14\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-scroll-anchor=\"false\" data-testid=\"conversation-turn-14\" data-turn-id-container=\"request-697e9d0a-1f5c-8389-9f4a-390390789e8f-14\" data-turn-id=\"request-697e9d0a-1f5c-8389-9f4a-390390789e8f-14\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-turn-start-message=\"true\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-5-thinking\" dir=\"auto\" data-message-id=\"814a1530-3b63-4ae1-ab6c-53b260d2eb2c\" data-message-author-role=\"assistant\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003ch3 data-end=\"67\" data-start=\"0\" data-section-id=\"srq7j\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"67\" data-start=\"3\"\u003ePROSES Helix for Kato Unitrack (490 mm \/ 550 mm, 4.5 Levels)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"397\" data-start=\"69\"\u003eOptimize your layout with the \u003cstrong data-end=\"126\" data-start=\"99\"\u003ePROSES Modular Helix V3\u003c\/strong\u003e, designed specifically for \u003cstrong data-end=\"171\" data-start=\"154\"\u003eKato Unitrack\u003c\/strong\u003e and compatible with track radii of \u003cstrong data-end=\"228\" data-start=\"207\"\u003e490 mm and 550 mm\u003c\/strong\u003e. This \u003cstrong data-end=\"268\" data-start=\"235\"\u003edouble-track, 4.5-level helix\u003c\/strong\u003e offers a high elevation gain while keeping the same large-radius, low-gradient design for smooth and dependable train operation.\u003c\/p\u003e\n\u003ch3 data-end=\"419\" data-start=\"399\" data-section-id=\"pm8yra\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"419\" data-start=\"403\"\u003eKey Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"819\" data-start=\"420\"\u003e• \u003cstrong data-end=\"441\" data-start=\"422\"\u003eModular Design:\u003c\/strong\u003e 4.5 loops (levels) with quick and easy assembly\u003cbr data-end=\"492\" data-start=\"489\"\u003e• \u003cstrong data-end=\"524\" data-start=\"494\"\u003ePerfect for Kato Unitrack:\u003c\/strong\u003e Designed for Kato Unitrack double-track configurations using 490 mm and 550 mm radii\u003cbr data-end=\"612\" data-start=\"609\"\u003e• \u003cstrong data-end=\"638\" data-start=\"614\"\u003eDouble-Track Layout:\u003c\/strong\u003e Ideal for continuous up and down traffic and realistic railway operation\u003cbr data-end=\"714\" data-start=\"711\"\u003e• \u003cstrong data-end=\"740\" data-start=\"716\"\u003eLow Gradient Design:\u003c\/strong\u003e Large radii provide very gentle inclines for reliable operation of long trains\u003c\/p\u003e\n\u003ch3 data-end=\"859\" data-start=\"821\" data-section-id=\"vl8zki\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"859\" data-start=\"825\"\u003eDimensions \u0026amp; Technical Details\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1133\" data-start=\"860\"\u003e• \u003cstrong data-end=\"879\" data-start=\"862\"\u003eTrack Radius:\u003c\/strong\u003e\u003cbr data-end=\"882\" data-start=\"879\"\u003e– Inner: 490 mm (19 1\/4\")\u003cbr data-end=\"912\" data-start=\"909\"\u003e– Outer: 550 mm (21 5\/8\")\u003cbr data-end=\"942\" data-start=\"939\"\u003e• \u003cstrong data-end=\"964\" data-start=\"944\"\u003eTrack Bed Width:\u003c\/strong\u003e 15 cm (5 7\/8\")\u003cbr data-end=\"982\" data-start=\"979\"\u003e• \u003cstrong data-end=\"1005\" data-start=\"984\"\u003eNumber of Levels:\u003c\/strong\u003e 4.5\u003cbr data-end=\"1012\" data-start=\"1009\"\u003e• \u003cstrong data-end=\"1052\" data-start=\"1014\"\u003eVertical Clearance Between Levels:\u003c\/strong\u003e 10 cm (4\")\u003cbr data-end=\"1066\" data-start=\"1063\"\u003e• \u003cstrong data-end=\"1085\" data-start=\"1068\"\u003eTotal Height:\u003c\/strong\u003e 50 cm (20\")\u003cbr data-end=\"1100\" data-start=\"1097\"\u003e• \u003cstrong data-end=\"1120\" data-start=\"1102\"\u003eOverall Width:\u003c\/strong\u003e 120 cm (47\")\u003c\/p\u003e\n\u003ch3 data-end=\"1151\" data-start=\"1135\" data-section-id=\"1v2345c\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1151\" data-start=\"1139\"\u003eGradient\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1221\" data-start=\"1152\"\u003e• \u003cstrong data-end=\"1179\" data-start=\"1154\"\u003eInner Track Gradient:\u003c\/strong\u003e 1.30%\u003cbr data-end=\"1188\" data-start=\"1185\"\u003e• \u003cstrong data-end=\"1215\" data-start=\"1190\"\u003eOuter Track Gradient:\u003c\/strong\u003e 1.16%\u003c\/p\u003e\n\u003cp data-end=\"1348\" data-start=\"1223\"\u003eThese very gentle gradients allow smooth and dependable operation, even for long passenger trains and heavy freight consists.\u003c\/p\u003e\n\u003ch3 data-end=\"1382\" data-start=\"1350\" data-section-id=\"1ke06ud\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1382\" data-start=\"1354\"\u003eEasy \u0026amp; Flexible Assembly\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1461\" data-start=\"1383\"\u003eAll PROSES helices can be assembled \u003cstrong data-end=\"1450\" data-start=\"1419\"\u003eclockwise or anti-clockwise\u003c\/strong\u003e, allowing:\u003c\/p\u003e\n\u003cp data-end=\"1542\" data-start=\"1463\"\u003e• Entry or exit from \u003cstrong data-end=\"1501\" data-start=\"1484\"\u003eleft or right\u003c\/strong\u003e\u003cbr data-end=\"1504\" data-start=\"1501\"\u003e• Entry or exit from \u003cstrong data-end=\"1542\" data-start=\"1525\"\u003etop or bottom\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1644\" data-start=\"1544\"\u003eThis flexibility makes the helix suitable for both permanent layouts and modular exhibition layouts.\u003c\/p\u003e\n\u003ch3 data-end=\"1667\" data-start=\"1646\" data-section-id=\"n07754\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-end=\"1667\" data-start=\"1650\"\u003eCompatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1861\" data-start=\"1668\"\u003eDesigned for \u003cstrong data-end=\"1698\" data-start=\"1681\"\u003eKato Unitrack\u003c\/strong\u003e double-track systems using \u003cstrong data-end=\"1764\" data-start=\"1726\"\u003eKato 2-270 and 2-210 curved tracks\u003c\/strong\u003e, providing a large-diameter helix with smooth transitions and excellent operational reliability.\u003c\/p\u003e\n\u003chr data-end=\"1866\" data-start=\"1863\"\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1937\" data-start=\"1868\"\u003e🚂 \u003cstrong data-is-last-node=\"\" data-end=\"1937\" data-start=\"1871\"\u003ePROSES Modular Helix V3 – Easy • Quick Build • Light • Durable\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pointer-events-none -mt-px h-px translate-y-[calc(var(--scroll-root-safe-area-inset-bottom)-14*var(--spacing))]\" aria-hidden=\"true\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"pointer-events-none translate-y-(--scroll-root-safe-area-inset-bottom) R6Vx5W_threadScrollVars min-h-(--gutter-remaining-height,0px) group-data-stream-active\/scroll-root:h-[calc(var(--thread-response-height)-16*var(--spacing))]\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sticky bottom-0 z-10 group\/thread-bottom-container relative isolate w-full basis-auto has-data-has-thread-error:pt-2 has-data-has-thread-error:[box-shadow:var(--sharp-edge-bottom-shadow)] md:border-transparent md:pt-0 dark:border-white\/20 md:dark:border-transparent print:hidden content-fade single-line flex flex-col\" id=\"thread-bottom-container\"\u003e\n\u003cdiv class=\"relative mx-auto h-0\"\u003e\n\u003cdiv class=\"flex h-0 items-end justify-center motion-safe:transition-all motion-safe:delay-300 motion-safe:duration-300 group-[:not([data-scroll-from-end])]\/scroll-root:scale-50 group-[:not([data-scroll-from-end])]\/scroll-root:translate-y-2 group-[:not([data-scroll-from-end])]\/scroll-root:opacity-0 group-[:not([data-scroll-from-end])]\/scroll-root:pointer-events-none group-[:not([data-scroll-from-end])]\/scroll-root:duration-100 group-[:not([data-scroll-from-end])]\/scroll-root:delay-0 absolute start-1\/2 z-10 -translate-x-1\/2 bottom-[calc(100%+3*var(--spacing)+var(--thread-scroll-to-bottom-banner-offset,0px))]\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"thread-bottom\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"text-base mx-auto [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 mb-[var(--thread-component-gap,1rem)]\"\u003e\n\u003cdiv class=\"w-full\"\u003e\n\u003cdiv class=\"flex justify-center empty:hidden\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"pointer-events-auto relative z-1 flex h-(--composer-container-height,100%) max-w-full flex-(--composer-container-flex,1) flex-col\"\u003e\n\u003cdiv class=\"absolute start-0 end-0 bottom-full z-20\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cform data-type=\"unified-composer\" class=\"group\/composer w-full\" autocomplete=\"off\"\u003e\n\u003cdiv class=\"hidden\"\u003e\u003cinput type=\"file\" id=\"upload-files\" multiple tabindex=\"-1\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"\"\u003e\n\u003cdiv data-composer-surface=\"true\" class=\"bg-token-bg-primary dark:bg-token-bg-elevated-primary dark-oled:bg-token-bg-primary corner-superellipse\/1.1 relative cursor-text overflow-clip bg-clip-padding p-2.5 contain-inline-size motion-safe:transition-colors motion-safe:duration-200 motion-safe:ease-in-out group-not-data-expanded\/composer:py-2 grid grid-cols-[auto_1fr_auto] [grid-template-areas:'header_header_header'_'leading_primary_trailing'_'._footer_.'] group-data-expanded\/composer:[grid-template-areas:'header_header_header'_'primary_primary_primary'_'leading_footer_trailing'] max-sm:[grid-template-areas:'header_header_header'_'primary_primary_primary'_'leading_footer_trailing'] shadow-short-composer\"\u003e\n\u003cdiv class=\"self-center [grid-area:leading]\"\u003e\u003cspan data-state=\"closed\" class=\"flex\"\u003e\u003cbutton data-state=\"closed\" aria-expanded=\"false\" aria-haspopup=\"menu\" id=\"composer-plus-btn\" aria-label=\"Add files and more\" data-testid=\"composer-plus-btn\" class=\"composer-btn\" type=\"button\"\u003e\u003csvg class=\"icon\" aria-hidden=\"true\" height=\"20\" width=\"20\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cuse fill=\"currentColor\" href=\"\/cdn\/assets\/sprites-core-e301aa24.svg#6be74c\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/button\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv class=\"-my-2.5 flex overflow-x-hidden px-1.5 [grid-area:primary] group-data-expanded\/composer:mb-0 group-data-expanded\/composer:ps-2.5 group-data-expanded\/composer:pe-2.5 min-h-14 items-center\"\u003e\n\u003cdiv class=\"wcDTda_prosemirror-parent text-token-text-primary max-h-[max(30svh,5rem)] max-h-52 min-h-[var(--deep-research-composer-extra-height,unset)] flex-1 overflow-auto [scrollbar-width:thin] default-browser vertical-scroll-fade-mask group-data-[expanded-composer-mode-button]\/composer:pe-9\"\u003e\n\u003ctextarea data-virtualkeyboard=\"true\" aria-label=\"Chat with ChatGPT\" placeholder=\"Ask anything\" spellcheck=\"true\" autocapitalize=\"sentences\" inputmode=\"text\" autocomplete=\"off\" name=\"prompt-textarea\" class=\"wcDTda_fallbackTextarea\"\u003e\u003c\/textarea\u003e\n\u003cdiv aria-label=\"Chat with ChatGPT\" aria-multiline=\"true\" role=\"textbox\" data-virtualkeyboard=\"true\" id=\"prompt-textarea\" class=\"ProseMirror\" translate=\"no\" spellcheck=\"true\" autocapitalize=\"sentences\" inputmode=\"text\" autocomplete=\"off\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/form\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Proses Smart Hobby Tools","offers":[{"title":"Default Title","offer_id":53286599426348,"sku":null,"price":300.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/2681\/6812\/files\/V3-4.5-LEVEL-KATO-490-550-FRONT_16d3d5f6-b462-4ccb-8535-05604f6f43cf.png?v=1780793466","url":"https:\/\/proseshobby.com\/products\/4-5-level-helix-for-kato-unitrack-r490-mm-r550-mm","provider":"Proses Hobby Shop","version":"1.0","type":"link"}