{"product_id":"os-engines-max-105hz-r-nitro-helicopter-engine-1-05-size-w-o-silencer-osm18750","title":"OSM18750OS OS Engines MAX 105HZ-R without silencer","description":"\u003csection class=\"pdp_section product-desc product info detailed\" data-mf-accordion-index=\"3\"\u003e\u003cheader class=\"pdp_section_header product-desc__header\"\u003eNitro Helicopter Engine, 1.05 Size w\/o Silencer\u003c\/header\u003e\u003cheader class=\"pdp_section_header product-desc__header\"\u003e\n\u003ch2 class=\"header-title\"\u003eProduct Information\u003c\/h2\u003e\n\u003c\/header\u003e\n\u003cdiv class=\"pdp_section_main product-desc__main product data items\"\u003e\n\u003cdiv class=\"data item content\" id=\"description\" data-role=\"content\"\u003e\n\u003cdiv class=\"product attribute description\"\u003e\n\u003cdiv class=\"value\"\u003e\n\u003cp\u003eThe biggest, pure helicopter engine that OS have ever made delivers the levels of torque and power demanded by top fliers for both '3D' and sports applications.\u003c\/p\u003e\n\u003cp\u003eThe 15% increase in capacity offers a big increase over the .91 class engines yet still fits in mounts designed for that class. Modification to the cooling shroud is also unlikely. \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe distinctive 'blue anodised' cylinder head distinguishes the 105HZ engines from the 91HZ series yet retains the HZ series styling overall. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGeneral internal design is very similar to the 91HZ series and draws on OS's deep experience in creating the best helicopter engines for all classes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLike the 91HZ-R 3D, the new 105HZ-R utilises the OS 'DRS' fuel delivery system to cope with the extreme manoeuvres of modern 3D flight.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAdvantages over 120 size heli engines of other makes:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUses same main gear ratio as .91 class engines\u003c\/li\u003e\n\u003cli\u003eVibration levels the same as the 91HZ so does not tend to break heli parts.\u003c\/li\u003e\n\u003cli\u003eEasy carburettor adjustment that stays in tune.\u003c\/li\u003e\n\u003cli\u003eCrankcase is noticeably cooler\u003c\/li\u003e\n\u003cli\u003eMore torque in the mid range for 3D\u003c\/li\u003e\n\u003cli\u003eVelocity stack on carburettor sucks cool, undisturbed air from the fan flow.\u003c\/li\u003e\n\u003cli\u003eLonger run time per tank\u003c\/li\u003e\n\u003cli\u003e105HZ with 15% nitro is similar power to a 91HZ with 30% nitro.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv class=\"product__specs-and-manuals\"\u003e\n\u003csection class=\"pdp_section product__specs-container\" data-mf-accordion-index=\"4\"\u003e\u003cheader class=\"pdp_section_header product-specs__header\"\u003e\n\u003ch2 class=\"header-title\"\u003eSpecs\u003c\/h2\u003e\n\u003c\/header\u003e\n\u003csection class=\"pdp_section_main product-specs__main\"\u003e\n\u003cdl\u003e\n\u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e608.4g (21.46oz)\u003c\/dd\u003e\n\u003cdt\u003eDisplacement\u003c\/dt\u003e\n\u003cdd\u003e17.17cc (1.048cu.in)\u003c\/dd\u003e\n\u003cdt\u003eBore\u003c\/dt\u003e\n\u003cdd\u003e29.0mm (1.142\")\u003c\/dd\u003e\n\u003cdt\u003eStroke\u003c\/dt\u003e\n\u003cdd\u003e26.0mm (1.024\")\u003c\/dd\u003e\n\u003cdt\u003ePower Output\u003c\/dt\u003e\n\u003cdd\u003e3.7PS @ 15,000rpm\u003c\/dd\u003e\n\u003cdt\u003ePractical RPM\u003c\/dt\u003e\n\u003cdd\u003e2,000 - 16,500rpm\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cdiv class=\"view-all-container\"\u003e\u003cbutton class=\"btn__view-all-specs\"\u003eView All Specifications\u003c\/button\u003e\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"OMP","offers":[{"title":"Default Title","offer_id":31460095918138,"sku":"OSM18750","price":859.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0218\/4678\/files\/OSM18750OS-OS-Engines-MAX-105HZ-R-without-silencer-OMP-35261381.jpg?v=1743655669","url":"https:\/\/mad4heli.com\/es\/products\/os-engines-max-105hz-r-nitro-helicopter-engine-1-05-size-w-o-silencer-osm18750","provider":"Mad 4 Heli","version":"1.0","type":"link"}