{"product_id":"ultra-prop-ii-preselected","title":"Ultra-Prop II - Shop by Engine","description":"\u003cp style=\"white-space:pre-wrap;\" data-rte-preserve-empty=\"true\"\u003eThe \u003cstrong\u003eUltra‑Prop II\u003c\/strong\u003e is the latest evolution of the trusted Ultra‑Prop line, originally launched in 1984 with over 18,000 units in service. Designed for ultralights, hovercraft, airboats, and similar applications, it delivers high durability, aerodynamic efficiency, and precise engineering.\u003c\/p\u003e\u003ch3 style=\"white-space:pre-wrap;\" data-rte-preserve-empty=\"true\"\u003eKey Features\u003c\/h3\u003e\u003cul data-rte-list=\"true\"\u003e\n\u003cli\u003e\u003cp style=\"white-space:pre-wrap;\" data-rte-preserve-empty=\"true\"\u003e\u003cstrong\u003eSuperior Materials \u0026amp; Manufacturing\u003c\/strong\u003e\u003cbr\u003eEach blade is made from carbon-fiber-reinforced thermoplastic and precisely injection-molded to stay within a tight 6‑gram weight tolerance. This consistency means you can replace blades without balancing or matching them.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"white-space:pre-wrap;\" data-rte-preserve-empty=\"true\"\u003e\u003cstrong\u003eAerodynamically Advanced Design\u003c\/strong\u003e\u003cbr\u003eThe longer blades use an optimized airfoil, improved twist, and efficient planform design. The result is smoother airflow and improved overall performance.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"white-space:pre-wrap;\" data-rte-preserve-empty=\"true\"\u003e\u003cstrong\u003eHigher Power Capability\u003c\/strong\u003e\u003cbr\u003eAvailable in sizes up to 66\", the Ultra‑Prop II handles power levels over 100-HP—far beyond the limitations of earlier Ultra‑Prop models.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"white-space:pre-wrap;\" data-rte-preserve-empty=\"true\"\u003e\u003cstrong\u003eTested to LSA Standards\u003c\/strong\u003e\u003cbr\u003eThe hub, pitch blocks, and blade retention system have been tested to meet Light Sport Aircraft standards for overspeed and load. Built for strength and reliability.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"white-space:pre-wrap;\" data-rte-preserve-empty=\"true\"\u003e\u003cstrong\u003eHigh Value, Competitive Price\u003c\/strong\u003e\u003cbr\u003eOffers composite-level performance for less than many wood props on the market. An optional spinner kit is also available to improve both appearance and performance.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"white-space:pre-wrap;\" data-rte-preserve-empty=\"true\"\u003eWhy Choose Ultra‑Prop II?\u003c\/p\u003e\u003cul data-rte-list=\"true\"\u003e\n\u003cli\u003e\u003cp style=\"white-space:pre-wrap;\" data-rte-preserve-empty=\"true\"\u003eLightweight and durable composite blades\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"white-space:pre-wrap;\" data-rte-preserve-empty=\"true\"\u003eEasy blade replacement—no rebalancing required\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"white-space:pre-wrap;\" data-rte-preserve-empty=\"true\"\u003eDesigned for high‑power engines and larger aircraft\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"white-space:pre-wrap;\" data-rte-preserve-empty=\"true\"\u003eRigorously tested to industry standards\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp style=\"white-space:pre-wrap;\" data-rte-preserve-empty=\"true\"\u003eBetter performance at a lower cost\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ultra-Prop","offers":[{"title":"Rotax 447 \/ 2 \/ Redrive Ratio: 2.58:1, Blade Length: 66 in., Pitch: 9 or 10 deg.","offer_id":50108879372511,"sku":"202-66-0910-Rotax 447","price":575.0,"currency_code":"USD","in_stock":true},{"title":"Rotax 503 \/ 2 \/ Redrive Ratio: 2.58\/2.62:1, Blade Length: 66 in., Pitch: 10 or 11 deg.","offer_id":50108879405279,"sku":"202-66-1011-Rotax 503","price":575.0,"currency_code":"USD","in_stock":true},{"title":"Rotax 503 \/ 3 \/ Redrive Ratio: 2.58\/2.62:1, Blade Length: 66 in., Pitch: 8 or 9 deg.","offer_id":50108879438047,"sku":"203-66-0809-Rotax 503","price":700.0,"currency_code":"USD","in_stock":true},{"title":"Rotax 582 \/ 3 \/ Redrive Ratio: 2.58\/2.62:1, Blade Length: 66 in., Pitch: 10 or 11 deg.","offer_id":50108879470815,"sku":"203-66-1011-Rotax 582","price":700.0,"currency_code":"USD","in_stock":true},{"title":"Rotax 582 \/ 4 \/ Redrive Ratio: 2.58\/2.62:1, Blade Length: 66 in., Pitch: 8 or 9 deg.","offer_id":50108879503583,"sku":"204-66-0809-Rotax 582","price":825.0,"currency_code":"USD","in_stock":true},{"title":"Rotax 912UL \/ 4 \/ Redrive Ratio: 2.27:1, Blade Length: 66 in., Pitch: 10 or 11 deg.","offer_id":50108879536351,"sku":"204-66-1011-Rotax 912UL","price":825.0,"currency_code":"USD","in_stock":true},{"title":"Rotax 912ULS \/ 4 \/ Redrive Ratio: 2.43:1, Blade Length: 66 in., Pitch: 12 or 13 deg.","offer_id":50108879569119,"sku":"204-66-1213-Rotax 912ULS","price":825.0,"currency_code":"USD","in_stock":true},{"title":"Rotax 912ULS \/ 5 \/ Redrive Ratio: 2.43:1, Blade Length: 67 in., Pitch: 11 or 12 deg.","offer_id":50108879601887,"sku":"205-67-1112-Rotax 912ULS","price":975.0,"currency_code":"USD","in_stock":true},{"title":"Hirth F23 \/ 3 \/ Redrive Ratio: 2.5:1, Blade Length: 66 in., Pitch: 10 or 11 deg.","offer_id":50108879634655,"sku":"203-66-1011-Hirth F23","price":700.0,"currency_code":"USD","in_stock":true},{"title":"Hirth 2702 \/ 2 \/ Redrive Ratio: 2.3:1, Blade Length: 66 in., Pitch: 12 or 13 deg.","offer_id":50108879667423,"sku":"202-66-1213-Hirth 2702","price":575.0,"currency_code":"USD","in_stock":true},{"title":"Hirth 2703 \/ 3 \/ Redrive Ratio: 2.59:1, Blade Length: 66 in., Pitch: 10 or 11 deg.","offer_id":50108879700191,"sku":"203-66-1011-Hirth 2703","price":700.0,"currency_code":"USD","in_stock":true},{"title":"Rotax 582 \/ 3 \/ Redrive Ratio: 2.58:1, Blade Length: 64 in., Pitch: 11 or 12 deg.","offer_id":50108879732959,"sku":"203-64-1112-Rotax 582","price":700.0,"currency_code":"USD","in_stock":true},{"title":"Rotax 582 \/ 3 \/ Redrive Ratio: 2.62:1, Blade Length: 62 in., Pitch: 11 or 12 deg.","offer_id":50108879765727,"sku":"203-62-1112-Rotax 582","price":700.0,"currency_code":"USD","in_stock":true},{"title":"MZ 201 \/ 3 \/ Redrive Ratio: 2.08:1, Blade Length: 61 in., Pitch: 12 or 13 deg.","offer_id":50108879798495,"sku":"203-61-1213-MZ 201","price":700.0,"currency_code":"USD","in_stock":true},{"title":"Rotax 503 \/ 3 \/ Redrive Ratio: 2.58:1, Blade Length: 60 in., Pitch: 10 or 11 deg.","offer_id":50108879831263,"sku":"203-60-1011-Rotax 503","price":700.0,"currency_code":"USD","in_stock":true},{"title":"Kaw 440 \/ 3 \/ Redrive Ratio: 2.6:1, Blade Length: 60 in., Pitch: 9 or 10 deg.","offer_id":50108879864031,"sku":"203-60-0910-Kaw 440","price":700.0,"currency_code":"USD","in_stock":true},{"title":"HKS \/ 3 \/ Redrive Ratio: 2.58:1, Blade Length: 66 in., Pitch: 10 or 11 deg.","offer_id":50108879896799,"sku":"203-66-1011-HKS","price":700.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0805\/1045\/1935\/files\/thumbnail_2B_288_29.webp?v=1781238599","url":"https:\/\/www.flyminimax.com\/products\/ultra-prop-ii-preselected","provider":"Mini-Max USA","version":"1.0","type":"link"}