Helps reduce the risk of damage or injury. About this item CompatibilityDurable propeller guard specially designed for DJI Mini 3 Pro drone. “It’s unfortunate that this accident happened, but we’re hoping this law will help to encourage others to take these safety precautions…so they can have the benefit of this lesson without having to go through a tragedy,” Milligan said. Landing protectionThe propeller guard protect the propellers while effectively enhancing the Mini 3 Pro adaptability to the ground during take-off and landing. Some pending amendments are in the works, Milligan said, that would address previous concerns from club members, such as clarifying what kinds of vessels and motors fell under this new law.ĭescribing the local boating community as “tight-knit” and “like a family,” Milligan said they hoped the law would inspire similar legislation on the state level. Ian Milligan, commodore of the Greater Huntington Council of Yacht and Boating Clubs - which represents more than 4,000 recreational boating families in Huntington - said his club fully supported the law, adding his members had volunteered to install such propeller guards themselves. Fines for first-time violators range between $250 and $500 and then climb to $750 to $1,500 for subsequent offenses. So preflight that prop like your life depends on it because it very well could.Ryan’s Law states any vessel on Suffolk County waterways used to teach people under age 18 about marine navigation and safety in a formal setting such as an instructional course conducted by a marina, yacht club or boating organization must have a cage or encasement surrounding the propeller “to ensure the safety of students and to protect against accidental injury.”Ĭosts for installing the propeller guards are estimated to start around $100, county officials said. Flying the plane with even minor propeller damage can start that crack that could cause failure on a subsequent flight. In many cases, this damage can be repaired quite easily if it is minor, but you must get the propeller inspected and/or repaired prior to flight. What this means to us as pilots is that any nicks, dents, gouges or cracks are cause for a more thorough inspection by an A & P mechanic. DJI Phantom 3 Installing Propeller Guards 27,204 views 116 Dislike Share DJI Support 111K subscribers This video will show you how to install Propeller Guards on the DJI. This growing crack can result in blade failure. As the crack propagates, the stress becomes increasingly concentrated, increasing the crack growth. This small-scale damage tends to concentrate stress in the affected area and eventually, this high-stress area may develop a crack. A properly maintained propeller is designed to perform normally under these loads, but when propeller components are damaged by corrosion, stone nicks, ground strikes etc., an additional unintended stress concentration is imposed and the margin of safety may not be adequate.Īccording to the FAA, all nicks are potential crack starters. Its also important to reinstall the propeller correctly, as Evers demonstrates in this video featuring the Mercury Flo-Torq SSR HD propeller hub. During normal operation, 10 to 25 tons of centrifugal force is pulling the blades from the hub while the blades are bending and flexing due to thrust and torque loads. It says in part:Ī propeller is one of the most highly stressed components on an aircraft. “This is a common question among pilots and in fact, there is no such thing as an OK nick or dent in the propeller.Īdvisory circular AC 20-37E Aircraft Propeller Maintenance is the guidance provided by the FAA for maintenance technicians.
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