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<blockquote data-quote="Blue Baron" data-source="post: 13412" data-attributes="member: 1204"><p>You hace a valid point here. Although I think with just 18g it will be ok. I'll test and see <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p><p></p><p>Another of my projects is a 82g VR camera hanging from a string. THAT will be a more demanding task then, maybe impossible to fly. Maybe requiring an optimized unique string length. The lift limit of the Spark is just short of 150g.</p><p></p><p>I've seen videos with a Spark lifting a weight hanging from a string. It dances in a rythm opposite to the weight. So indeed, there is a risk that the movement is self-exciting until crashing the air craft. One must avoid to excite the resonance frequency. Therefore, the combination of string length and weight is crucial. A very long string (like 10 m) is probably dampened enough to pose no issues.</p></blockquote><p></p>
[QUOTE="Blue Baron, post: 13412, member: 1204"] You hace a valid point here. Although I think with just 18g it will be ok. I'll test and see ;) Another of my projects is a 82g VR camera hanging from a string. THAT will be a more demanding task then, maybe impossible to fly. Maybe requiring an optimized unique string length. The lift limit of the Spark is just short of 150g. I've seen videos with a Spark lifting a weight hanging from a string. It dances in a rythm opposite to the weight. So indeed, there is a risk that the movement is self-exciting until crashing the air craft. One must avoid to excite the resonance frequency. Therefore, the combination of string length and weight is crucial. A very long string (like 10 m) is probably dampened enough to pose no issues. [/QUOTE]
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