You may have noticed the acronym “KV” with a value next to on the labels affixed to many of your brushless motors and wondered what is this “KV” malarkey all about?
When it comes to your RC gear there are a variety of manufactures whom all have a large range of products for you to chose from and when you think that your RC gear will be one of the most important purchases you will make you can appreciate that choosing the right one for you is not a simple process.
This can be quite a complex decision to make as there are five very popular video frequncies to chose from each have their pro’s on con’s when it comes to range, image quality, cost and legality in your country.
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Before you get started on your journey into FPV you need to first decide what do you actually want to fly? There are many choices of basic air-frame configuration each with its own positive and negative points:
Popular Fixed Wing Choices
Traditional,Endless list of air-frames available / Very simple to setup,Stability on low wing models could be an issue / Front-mounted propeller will obscure your view / durability (crash-resistance) may be an issue
Sport-Glider/Pusher,Very Stable Platform / Good choice of airframes / No propeller in view / reasonably durable,Not particularly agile and there are still some durability issues as the wings and hollow fuselage can be a weak point.
Flying Wing,Extremely Durable / No Propeller in view / Very Agile / Easy to build,Very little natural stability / More complicated to setup for flight
[table sort=”desc,asc”] Configuration,Pros,Cons
Tricopter,Cheapest option to build (only three motors and speed controllers),Steering mechanism not as durable as fixed options / Offers no redundancy
Quadcopter,Best all-round choice,Offers no redundancy
Hexacopter,Offers some redundancy (one motor/esc could fail and flight be maintained)
Octocopter,Very stable / Offers more redundancy (two motors/escs could fail and flight be maintained) ,Most expensive build option
Which airframe should I choose is a very common question asked by people looking to start FPV. There is no easy answer and it really depends on what you want to do. Whether you want to go for long range, fly proximity or go as fast as you can will all be big factors in which airframe to choose. All aircraft have pros and cons, this page will help you find the best type to suit your needs.