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Photo of Popular 1s Lipo for Micro Helicopters

A couple of comparison pictures of popular 1s LiPo’s for micro helicopters.

Hobby King's Nine Eagles 120, Hyperions 130 for Nine Eagles, Hyperion 160, Turnigy 160, Turnigy Nano-Tech 160, Thunder Power 160, E-Flite 120

Here’s the relative heights. The Nano-Tech is not puffy. They all look like that for some reason, and as you can see…are thicker than the other 1s cells.

Hobby King's Nine Eagles 120, Hyperions 130 for Nine Eagles, Hyperion 160, Turnigy 160, Turnigy Nano-Tech 160, Thunder Power 160, E-Flite 120

Categories: Helicopter
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Blade mSR 5-in-1 Board Battery Plug

Just a public service announcement regarding E-Flite’s Blade mSR 5-in-1 RX board. I learn the hard way that E-Flite has at least two revision of the 5-in-1. And between revisions, they also reversed the polarity of the battery plug. I didn’t realized this when I had to replace a fray battery plug on one of them. I took a quick glance at my old 5-in-1 board to ensure I got them soldered on the correct way.

Unfortunately for me, the two boards were different revisions and the battery plugs were suppose to be soldered on the opposite way from one another. See the photo below:


So now I have two bad 5-in-1. Major bummer, but lesson learned.

Categories: Helicopter
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