we talk about UAV technology on the foremost standard RC on the market that have all the most recent drone advanced. Most RC can have terribly similar systems incorporated. Unmanned aerial vehicle technology covers everything from the mechanics of the Drones, materials within the manufacture of the physical UAV, to the circuit boards, chipset and code that area unit the brains of the drone. One among the foremost in style drones on the market is DJI Phantom 3. This drone was very fashionable with professional aerial cinematographers.
Check the hose clips for tightness and inspect the trunking for any cracks or splits and afterward every the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best mannerism to find a leak is to have the engine government and warm and after that vaporizer lighter gas /propane or brake cleaner vis--vis each joint in turn. If the engine rev s in the works you ve found your leak.
Might with be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can reach a quick aberration find if you unplug the meter and manage the engine without it. if the engine condition is the thesame next chances are the meter or the association to it is faulty. Its as a consequence worth cleaning the MAF sensor wires, as they can get coated later than dirt greater than epoch which after that offsets the reading. Use some admission cleaner or brake cleaner to spray can onto the wires to separate the dirt on no account touch the wires with everything as they are entirely fragile
This could be a large vacuum leak ,with the MAF united it is without help measuring the expose that is getting later the MAF, appropriately if the intake manifold is sucking in expose the expose to fuel ratio will be entirely out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. bearing in mind carb cleaner spray spray in the area of the hissing like the engine management and taking into account you hear the engine stall or rev far ahead there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.