{"product_id":"air75-ii-brushless-whoop-frame","title":"BetaFPV Air75 II Brushless Whoop Frame, 4.00g PP, 75mm Wheelbase, 25.5 x 25.5mm FC Mount","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/rcdrone.top\/collections\/betafpv\" title=\"BETAFPV\"\u003eBetaFPV\u003c\/a\u003e Air75 II is a brushless whoop frame for 75mm builds. It uses a reshaped structure (4 arm braces vs 6 on Air75 Gen 1) with optimized ducts and connecting braces to reduce vibration and improve response, while keeping the frame weight at 4.00g and using PP material.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFrame reshaped for +11% thrust (stated vs Air75 Gen 1)\u003c\/li\u003e\n\u003cli\u003e4g ultra-light (10% weight reduction stated vs Gen 1)\u003c\/li\u003e\n\u003cli\u003eOptimized connecting braces to reduce frame amplitude and support near-perfect PID step response (with Feedforward tuning)\u003c\/li\u003e\n\u003cli\u003eOptimized PP blend for improved crash resilience\u003c\/li\u003e\n\u003cli\u003ePilot-focused details: motor fixed slots, motor screw protection structure, enlarged FC mounting holes (25.5 x 25.5mm), lowered duct profile\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor compatibility questions or spare-part selection help, contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eItem\u003c\/td\u003e\n\u003ctd\u003eAir75 II Brushless Whoop Frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e4.00g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheelbase\u003c\/td\u003e\n\u003ctd\u003e75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Mounting\u003c\/td\u003e\n\u003ctd\u003e3-M1.4-6.6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlight Controller Mounting Hole\u003c\/td\u003e\n\u003ctd\u003e25.5 x 25.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFC mounting hole (max)\u003c\/td\u003e\n\u003ctd\u003ephi 1.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Slot Size\u003c\/td\u003e\n\u003ctd\u003e16.3 x 6.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Size\u003c\/td\u003e\n\u003ctd\u003e99.1 x 99.1 x 16.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuct Diameter\u003c\/td\u003e\n\u003ctd\u003e42.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuct Height\u003c\/td\u003e\n\u003ctd\u003e4.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArm Braces\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropellers\u003c\/td\u003e\n\u003ctd\u003e40mm propellers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack, Transparent Blue, Transparent Orange, Transparent Purple, Transparent White, Transparent Gray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagram callouts\u003c\/td\u003e\n\u003ctd\u003e25.5mm, 75mm, 42mm, 99.1mm, 16.2mm, 16.3mm, 6.3mm, 4.5mm, phi 6.6mm, phi 4mm, phi 1.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eAir75 II vs Air75 (Gen 1) Comparison\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAir75 II Brushless Whoop Frame\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAir75 Brushless Whoop Frame\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e4.00g\u003c\/td\u003e\n\u003ctd\u003e4.45g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheelbase\u003c\/td\u003e\n\u003ctd\u003e75mm\u003c\/td\u003e\n\u003ctd\u003e75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuct Diameter\u003c\/td\u003e\n\u003ctd\u003e42.0mm\u003c\/td\u003e\n\u003ctd\u003e42.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuct Height\u003c\/td\u003e\n\u003ctd\u003e4.5mm\u003c\/td\u003e\n\u003ctd\u003e4.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArm Braces\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Fixed Slot\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew Protection Structure\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003ctd\u003eNot Supported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropellers\u003c\/td\u003e\n\u003ctd\u003e40mm propellers\u003c\/td\u003e\n\u003ctd\u003e40mm propellers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eThrust comparison chart label: Air75 (0802SE 23000KV motor + GF 40mm props).\u003c\/p\u003e\u003ch2\u003eRecommended Parts\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/rcdrone.top\/collections\/drone-battery\" title=\"Drone Battery\"\u003eBattery\u003c\/a\u003e: LAVA 1S 450mAh 75C Battery; LAVA 1S 550mAh 75C Battery; BT2.0 550mAh 1S Battery; BT2.0 450mAh 1S Battery\u003c\/li\u003e\n\u003cli\u003eFC: Air Brushless Flight Controller; Matrix 1S Brushless Flight Controller (3IN1\/4IN1); Matrix 1S Brushless Flight Controller (5IN1)\u003c\/li\u003e\n\u003cli\u003eMotors: 0702 II Brushless Motors; 0802SE Brushless Motors; 1102 Brushless Motors\u003c\/li\u003e\n\u003cli\u003eCanopy: Air Canopy; Canopy for Micro Camera 2022; Micro Canopy Lite; Canopy for O4 Air Unit\u003c\/li\u003e\n\u003cli\u003ePropellers: GF 40mm 2-Blade Propellers; GF 1611 3-Blade Propellers\u003c\/li\u003e\n\u003cli\u003eScrews: Meteor Series Motor Fixing Screws Pack (40PCS)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eAir75 II Brushless Whoop Frame\u003c\/li\u003e\u003c\/ul\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"BetaFPV Air75 II brushless whoop frame, 75mm 4g PP frame with optimized ducts (black and translucent)\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BetaFPV-Air75-II-Brushless-Whoop-Frame.jpg?v=1777643757\"\u003e\u003cp\u003eAir75 II keeps a 4.00g PP frame while refining the duct and brace layout for a lighter, more responsive 75mm whoop build.\u003c\/p\u003e\n\u003cimg alt=\"Air75 II vs Air75 Gen 1 top-view comparison highlighting 4 arm braces on Air75 II versus 6 on Air75\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BetaFPV-Air75-II-Brushless-Whoop-Frame_e1f35930-5ee6-408d-b0cd-7f22c64aa477.jpg?v=1777643769\"\u003e\u003cp\u003eA reshaped structure reduces arm bracing from six to four to help cut vibration and improve control response.\u003c\/p\u003e\n\u003cimg alt=\"Air75 II whoop frame dimension layout: 75mm wheelbase, 42mm ducts, 25.5mm FC mount, battery slot sizing\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BetaFPV-Air75-II-Brushless-Whoop-Frame-400g-PP-75mm_d288cba8-3924-4d18-a849-4c6ddefe538d.webp?v=1777644282\"\u003e\u003cp\u003eKey fit points include a 75mm wheelbase, 42mm duct diameter, and up to 25.5 × 25.5mm \u003ca href=\"https:\/\/rcdrone.top\/collections\/flight-controller\" title=\"Flight Controller\"\u003eflight controller\u003c\/a\u003e mounting.\u003c\/p\u003e\n\u003cimg alt=\"Thrust comparison chart for Air75 II vs Air75 frame using 0802SE 23000KV motor with GF 40mm props\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BetaFPV-Air75-II-Brushless-Whoop-Frame_97f621c0-9c14-41c8-b785-0f6e35f92675.jpg?v=1777643789\"\u003e\u003cp\u003eThrust results are compared against the Air75 (Gen 1) using 0802SE 23000KV motors and GF 40mm propellers.\u003c\/p\u003e\n\u003cimg alt=\"Air75 II frame vibration and tuning graphic with step response functions and frequency spectrum plots\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BetaFPV-Air75-II-Brushless-Whoop-Frame_7c6b5874-4d30-435a-9a9c-a11f4be967af.jpg?v=1777643799\"\u003e\u003cp\u003eOptimized connecting braces are designed to reduce frame resonance for cleaner step response with Feedforward tuning.\u003c\/p\u003e\n\u003cimg alt=\"Air75 II 75mm brushless whoop frame beauty shot with ducts and low-profile design on dark background\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BetaFPV-Air75-II-Brushless-Whoop-Frame-400g-PP-75mm_aa415d92-8ccf-4630-a5bd-abdbba00bfa3.webp?v=1777644294\"\u003e\u003cimg alt=\"Close-ups of Air75 II details: motor fixed slots, motor screw protection structure, enlarged FC mounting holes\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BetaFPV-Air75-II-Brushless-Whoop-Frame_628ff2c7-0f67-42e0-9084-f3b265de288a.jpg?v=1777643824\"\u003e\u003cp\u003ePilot-focused details include \u003ca href=\"https:\/\/rcdrone.top\/collections\/drone-motor\" title=\"Drone Motor\"\u003emotor\u003c\/a\u003e fixed slots, added screw protection, and enlarged FC mounting holes for easier builds.\u003c\/p\u003e\n\u003cimg alt=\"What’s included: BetaFPV Air75 II brushless whoop frame with canopy (clear) alongside black frame parts\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BetaFPV-Air75-II-Brushless-Whoop-Frame_065b969e-b2f9-4446-8c9c-5ff5ec217e8f.jpg?v=1777643831\"\u003e\u003cp\u003eIn the box: the Air75 II frame and a clear canopy for a straightforward 75mm whoop build.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BETAFPV","offers":[{"title":"Black","offer_id":52445391847648,"sku":"01090032_1-1","price":21.99,"currency_code":"USD","in_stock":true},{"title":"Transparent Blue","offer_id":52445391880416,"sku":"01090032_1-2","price":21.99,"currency_code":"USD","in_stock":true},{"title":"Transparent Orange","offer_id":52445391913184,"sku":"01090032_1-3","price":21.99,"currency_code":"USD","in_stock":true},{"title":"Transparent Purple","offer_id":52445391945952,"sku":"01090032_1-4","price":21.99,"currency_code":"USD","in_stock":true},{"title":"Transparent White","offer_id":52445391978720,"sku":"01090032_1-5","price":21.99,"currency_code":"USD","in_stock":true},{"title":"Transparent Gray","offer_id":52445392011488,"sku":"01090032_1-6","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/Air75_II_Brushless_Whoop_Frame_black.jpg?v=1777536430","url":"https:\/\/rcdrone.top\/products\/air75-ii-brushless-whoop-frame","provider":"RCDrone","version":"1.0","type":"link"}