{"title":"Bert Kammerer Tron Nitro","description":null,"products":[{"product_id":"nitron-90-helicopter-kit-bert-k-edition","title":"Nitron 90 Helicopter Kit Bert Kammerer Edition","description":"\u003cp\u003eThis is the Bert Kammerer edition of the Tron Nitro 90, this particular model has many nice upgrades and improved features. In addition to all the standard features, the Bert K edition has the following upgrades:\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNew white\/blue color scheme (painted boom and tail fin)\u003c\/li\u003e\n\u003cli\u003eClear anodized aluminum head \u0026amp; tail rotors\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCut-outs built into the frame for XGuard and Xpert switches\u003c\/li\u003e\n\u003cli\u003eNew innovative clutch design\u003c\/li\u003e\n\u003cli\u003eNew aluminum motor fan (as light as plastic fan)\u003c\/li\u003e\n\u003cli\u003eDouble bearings on main shaft (4 total)\u003c\/li\u003e\n\u003cli\u003eTail idler pulley for increased tail performance\u003c\/li\u003e\n\u003cli\u003eNew “wear free” tail push rod design\u003c\/li\u003e\n\u003cli\u003eMicro and mini servo adapters for throttle servo\u003c\/li\u003e\n\u003cli\u003eSupersonic mounts all around\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe appearance is simply amazing, robotic and modern.\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp\u003eIt grabs attention from the first second you see it!\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe Nitron 90 is the lightest 90 class nitro helicopter ever built to date!\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0641\/7367\/0638\/files\/Bert_Kammerer1_Banner_1024x1024.jpg?v=1722793826\" alt=\"\" style=\"float: none;\"\u003e\u003c\/div\u003e","brand":"Tron","offers":[{"title":"Default Title","offer_id":46225701863591,"sku":"TR-BK","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/6105\/5655\/files\/4.0_white90.png?v=1747768265"},{"product_id":"o-s-speed-91hz-r-3d-helicopter-engine","title":"O.S.Speed 91HZ-R 3D Helicopter Engine","description":"\u003cp\u003eFollowing the popularity of the 91HZ-R with on-demand regulator, O.S. has now taken high-performance, high-speed helicopter engines to the next stage of evolution. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLightweight, machined heat sink head\u003c\/li\u003e\n\u003cli\u003eBig-bore carburettors best-suited for the intended use (F3C or 3D)\u003c\/li\u003e\n\u003cli\u003eBest precision advanced exhaust cylinder timing (for F3C or 3D)\u003c\/li\u003e\n\u003cli\u003eNewly designed combustion chambers, shaped to match the big bore carburetors and advanced exhaust cylinder timing\u003c\/li\u003e\n\u003cli\u003eLightweight, forged steel crankshaft counter weight to lower vibration for higher speeds\u003c\/li\u003e\n\u003cli\u003eImproved back plate shape, to accommodate Futaba's BPS-1 RPM Sensor and increase primary pressure for greater stability\u003c\/li\u003e\n\u003cli\u003eThe cover plate has a cell to accept a sensor designed to install in the cover plate from Futaba GY701 \/ CGY750 Governor\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDisplacement: 14.95cc\u003c\/li\u003e\n\u003cli\u003eBore: 27.7mm\u003c\/li\u003e\n\u003cli\u003eStroke: 24.8mm\u003c\/li\u003e\n\u003cli\u003eOutput: 3.6ps\/15,500RPM\u003c\/li\u003e\n\u003cli\u003ePractical RPM Range: 2,000-16,500\u003c\/li\u003e\n\u003cli\u003eWeight: 603g\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Pack O.S. Speed Tuned .91HZ-R Helicopter Engine with Pump, 61G Carb\u003c\/li\u003e\n\u003cli\u003e#8 Glow Plug\u003c\/li\u003e\n\u003cli\u003eCheck Valve\u003c\/li\u003e\n\u003cli\u003eHead Gasket 0.2mm\u003c\/li\u003e\n\u003cli\u003eOS Speed Decal and English Instruction Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"OS Engines","offers":[{"title":"Default Title","offer_id":46225702191271,"sku":"OS-18642","price":479.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/6105\/5655\/files\/OS-1.png?v=1730241907"},{"product_id":"powertune-muffler-for-o-s-91-speed-engines","title":"PowerTune Muffler for O.S. 91 Speed Engines","description":"\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe power of Hatori without the weight or complexity\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeader opening matches exhaust port size\u003c\/li\u003e\n\u003cli\u003eIncludes mounting accessories\u003c\/li\u003e\n\u003cli\u003eTested by pro pilots\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Gas Powered Helicopters","offers":[{"title":"Default Title","offer_id":46225702912167,"sku":"GPH-MS-250","price":199.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/6105\/5655\/files\/pipe1_c2f80f03-0827-4eed-9ec2-decbd234b185.jpg?v=1730241915"},{"product_id":"o-s-speed-91hz-r-powertune-pipe-combo","title":"O.S.Speed 91HZ-R \u0026 Powertune Pipe Combo","description":"\u003cp\u003eHere at BK Hobbies, we've put this combo together. This is one the most proven, reliable and powerful setups on the market. It includes an O.S. Speed 91HZ-R engine and a Powertune muffler that was specifically designed to work with this engine.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eOS Engine\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLightweight, machined heat sink head\u003c\/li\u003e\n\u003cli\u003eBig-bore carburettors best-suited for the intended use (F3C or 3D)\u003c\/li\u003e\n\u003cli\u003eBest precision advanced exhaust cylinder timing (for F3C or 3D)\u003c\/li\u003e\n\u003cli\u003eNewly designed combustion chambers, shaped to match the big bore carburetors and advanced exhaust cylinder timing\u003c\/li\u003e\n\u003cli\u003eLightweight, forged steel crankshaft counter weight to lower vibration for higher speeds\u003c\/li\u003e\n\u003cli\u003eImproved back plate shape, to accommodate Futaba's BPS-1 RPM Sensor and increase primary pressure for greater stability\u003c\/li\u003e\n\u003cli\u003eThe cover plate has a cell to accept a sensor designed to install in the cover plate from Futaba GY701 \/ CGY750 Governor\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDisplacement: 14.95cc\u003c\/li\u003e\n\u003cli\u003eBore: 27.7mm\u003c\/li\u003e\n\u003cli\u003eStroke: 24.8mm\u003c\/li\u003e\n\u003cli\u003eOutput: 3.6ps\/15,500RPM\u003c\/li\u003e\n\u003cli\u003ePractical RPM Range: 2,000-16,500\u003c\/li\u003e\n\u003cli\u003eWeight: 603g\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEngine Pack O.S. 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