I don't have time to do a full write-up right now but I wanted to post a link for you guys to browse ahead of time. I'd love it if one of you guys tried this before I got around to it and saved me the work of having to figure it out. This is a link to a thread over on RCGroups forum about how to balance electric ducted fans using a smart phone. It is directly applicable to the flywheel nerf blasters as well.
Now, a few years ago I bought a fairly expensive tool to balance my EDFs that uses a kind of strobe light and pressure sensors. I haven't gotten around to trying that out yet either.
What I can say for certain is that most of the volume increase you guys are experiencing when over-volting or upgrading motors is only indirectly a result of the higher rpm. It's directly a result of those flywheels being ever so slightly out of balance. It should sound smooth like a jet engine, not like a buzz-saw the way it does in Coop's latest videos. More then that though, I would expect a modest increase in performance both in terms of top dart speed and in post-shot flywheel rpm recovery time.
Please, someone do this and document it so I don't have to. Pretty please.
0reoMember Since 16 Jan 2013
Offline Last Active Apr 29 2013 03:39 PM
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