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Fayme Chandonnet Quadcopter June 11th, 2018 - 19:33:05
This is a very good thing due to the geometry and weight distribution that Quadcopters have. Lower weight means more payload less fuel and/or longer range. Perhaps the weight savings of lube oil (2-types needed in normal current helicopter technology) on each of the four motors could also give weight space for electromagnetic bearings with a thrust bearing combination around the outer ring on the rotorblades to control vibration and free-wheel free of drag and easy start. If the motors happen to be electric even better in this case. If high speed gas turbines we save weight and add safety to a nearly maintenance free design. Some of the NASA tests have concluded 60000 hours with no damage or need to replace parts or bearings. For a rotorcraft this is nearly unheard of due to the harsh environment they fly and the fact that the motors are under so significant load all the time the aircraft is airborne.
Additionally it has a size of 31 x 31 x 7.2cm and it offers you two colors options including green and white. Made of ABS and PS materials it has a super strong structure which ensures the safe flight. Exactly the prominent feature of JJRC H31 is the super anti-wrestling ability. Depending on the strong structure it will be intact even it falls from the high altitudes when it is out of control. Besides it has not been affected when impacted at high-speed flying. If you like you even can trample it on the ground. You do not have to worry about it because this completely damage will not bring it any effect. Very strong structure it has! Another feature I appreciate is the waterproof ability. This is very useful when you fly it near waters. If the RC drone immerses into the water and socks for a few minutes it is unnecessary for you to do any treatment. When it is full of water it even can complete 360 degrees rolling. Additionally JJRC H31 supports headless mode. Although this feature is normal for RC quads thanks to the special appearance design it is able to complete the pattern rotating action. And this has another benefit of flying in any direction you like.
They appeal to all everybody and all ages too! Quadcopters are a huge amount of fun and they arent just for boys either! Girls also love being "pilots" and enjoying the thrill of commanding their drone either just around the skies or performing intricate stunts and manoeuvres. And these bad boys of the sky arent just for kids either. From as young as 7 years old right up to grandparents there is a drone or quadcopter that will suit. There is an absolutely HUGE range of quadcopters for sale that will cater to any budget and also please the most demanding of "pilots." From a small entry level quadcopter that can fit into the palm of your hand right up to an incredibly advanced... and expensive version that costs more than the average family car! Want four propellers? No problem? How about an eight propeller octocopter? Too easy! Want a protective circular cage around your drone or maybe perhaps even in the shape of a fighter jet? There are so many different options available to you! Just go down to your favorite RC store choose what you want and you are ready to go!
This was an easy decision. Since this was going to be my first multirotor I threw out the idea of a 6 or 8 motor design right away. Theres already too much complexity in even a very basic design. No need to make the job any harder! I was going to keep it really simple and then go on from there. Tricopters have been very successful. But I really hate the idea of the yaw (directional) stabilization servo in the back. I see it as a weak point. Just like a traditional helicopter it is another weak point susceptible to mechanical failure. So in the end the decision was easy. I went with a quadcopter design. This is a very simple design where the motors are spinning counter-rotating propellers.