{"product_id":"aerotech-6112-q-jet-black-max-composite-model-rocket-motor-b4-4fj-2-pack-ships-usps-ground","title":"AeroTech 6112 Q-Jet Black Max Composite Model Rocket Motor - B4-4FJ 2 Pack (Ships USPS Ground)","description":"\u003ch1\u003eAeroTech 6112 Q-Jet Black Max Composite Model Rocket Motor - B4-4FJ\u003c\/h1\u003e\n\u003ch2\u003e2 Pack\u003c\/h2\u003e\n\u003ch2\u003eShips USPS Ground\u003c\/h2\u003e\n\u003cp\u003eThe Q-Jets are the world's most advanced 18mm model rocket motors. They utilize a patent pending high-strength polymer case and bulkhead, ceramic nozzle and RCSs exclusive Black Max™ aerospace- grade composite propellant formulation, which produces nearly double the specific impulse (or \"Isp\", a propellant efficiency rating) of conventional black powder propellant. They are not susceptible to thermal cycling like black powder motors. Q-Jets generate a highly-visible exhaust plume and delay smoke trail. All Q-Jets ship with a FirstFire Micro™ 2-lead initiator, which can be used with any launch controller.\u003c\/p\u003e\n\u003cp\u003eSPECIFICATIONS:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMotor Diameter: 0.703\" (18mm)\u003c\/li\u003e\n\u003cli\u003eCasing Length: 2.75\" (70mm)\u003c\/li\u003e\n\u003cli\u003eTotal Impulse: 4.9 N-sec\u003c\/li\u003e\n\u003cli\u003eBurn Time: 1.10 seconds\u003c\/li\u003e\n\u003cli\u003eAverage Thrust: 4 newtons\u003c\/li\u003e\n\u003cli\u003eDelay Time: 4 seconds\u003c\/li\u003e\n\u003cli\u003ePropellant Weight: 3.6 grams\u003c\/li\u003e\n\u003cli\u003eMotor Weight: 19.8 grams\u003c\/li\u003e\n\u003cli\u003eMaximum Liftoff Weight: 85 grams\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Quest Aerotech","offers":[{"title":"Default Title","offer_id":41363827261606,"sku":"QUS6112","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/1972\/4454\/products\/aerotech-6112-q-jet-black-max-composite-model-rocket-motor-b4-4fj-2-pack-ships-usps-ground.jpg?v=1632770337","url":"https:\/\/www.whiterosehobbies.com\/products\/aerotech-6112-q-jet-black-max-composite-model-rocket-motor-b4-4fj-2-pack-ships-usps-ground","provider":"White Rose Hobbies","version":"1.0","type":"link"}