Freewing 90mm F-22 Raptor - Official Thread
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Eventually Gravity Always WinsComment
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Can someone please tell me what is the purpose of this contraption on the ESC battery cable shipped with the 8s hobbywing ESC's? This is a bullet connector with a resistor connected in parallel. As a EE I can tell you that does absolutely nothing except reduce sparking when you disconnect the bullet connector. Since this is another point of potential failure I cut it out and resoldered the EC5 connector.1 PhotoComment
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It eliminates spark when you connect your batteries. Unplug the bullet connector, plug in your batteries and then plug in the bullet connector again. No spark! Having removed it you should hear quite a snap when you plug your battery in.Comment
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Ok, that makes some sense. However, all my planes have a small spark when I plug in the battery. Pretty normal issue.Comment
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Ok, thanks, probably better for the caps too. I have the same thing on my Yak and have never used it.Comment
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Welp, the maiden didn't go well. She went screaming down the runway, pulled back on the elevator, wouldn't rotate, more elevator until full up, finally rotated and pops up. I relax the elevator a bit so that she won't go high alpha after take off, and when I did she slammed back down to the runway (grass) and flipped over. Oh well, repair and try again.3 PhotosComment
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Bummer! Could it have been nose heavy?Welp, the maiden didn't go well. She went screaming down the runway, pulled back on the elevator, wouldn't rotate, more elevator until full up, finally rotated and pops up. I relax the elevator a bit so that she won't go high alpha after take off, and when I did she slammed back down to the runway (grass) and flipped over. Oh well, repair and try again.Comment
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ESC calibrated?Welp, the maiden didn't go well. She went screaming down the runway, pulled back on the elevator, wouldn't rotate, more elevator until full up, finally rotated and pops up. I relax the elevator a bit so that she won't go high alpha after take off, and when I did she slammed back down to the runway (grass) and flipped over. Oh well, repair and try again.Comment
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Yup, this was my problem. I set the elevator neutral angle wrong. I thought the picture was showing 5.5 mm up from the fuse centerline, when it is actually from the bottom of the fuse. My mistake, I should have gone through this thread first. The picture and explanation in the assembly manual could be clearer.Comment








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