The modifications proposed for the H520, will these new payloads add weight and decrease flight time ? I saw the video posted and do not speak German, these payloads appear to me third party. I received an email regarding a new program for third party products if I am correct ...
Yes, they are third party. Yuneec wants to add support and communication for third party systems. In the video they had the examples of controlling the brightness of Lumecubes and releasing payloads like that little, orange rescue kit they have shown. They also want to certify these third party systems in order to allow you their use without voiding the warranty.
They will obviously add a little bit of extra weight. I do not think this will be an issue.