7 inch quads are great, but they are tricky. It’s much harder to make them fly smoothly than 5-inchers. It’s just more demanding in term of stiffness, propellers, vibrations, jello and so on. After almost one year of fighting with all those issues, here is my list of 7 tips and tricks how to get a smooth HD video footage on 7-inch quads. Bear in mind that almost all of those tricks apply for 5 and 6 inchers too. They are maybe not that important for great results there.
The tricks are:
1 – the proper frame with nice thick arms. Forget about 4mm thick arms for 7 inch quads. It does not work like that
2 – Propellers and motors have to match each other. You need big motors to drive big props. You can not skip the physics!
3 – Tuning! Yes, you have to tune your 7 inch drone. The chance that default PIDs and filtering will be spot-on is rather very slim
4 – The weather – for a smooth flight you need smooth weather. Wind creates turbulences and turbulences destroy a smooth video
5 – Time of a day – yes, there is a reason why noon is not the best time to fly around
6 – Camera and ND filter on it
7 – The speed – the slower you fly, the smoother the HD footage will be. More speed equals more vibrations and you are cooked!
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