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mCP X Blade Micro CPx Helicopters Information and Help


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Old 06-22-2011, 01:14 AM   #1 (permalink)
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Default mCP X Night Flyer: 1-hour project

  1. I made an mCP X paper canopy out of translucent Mylar from the art supply store, then applied one coat of fluorescent orange paint (the color of which doesn't render very well with my digital camera for some reason, but in real life it's full-on bright fluorescent and VERY visible).
  2. I soldered a 30 ohm resistor in series with a Radio Shack white LED onto the solder blobs where the battery connects to the circuit board.
The fluorescent orange canopy is much more visible than stock even when it's not illuminated. As soon as the sun starts to go down (or under Seattle's perpetual overcast), you can really see the canopy glowing.

Night flying on a warm summer evening is a lot of fun.
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Old 06-22-2011, 01:29 AM   #2 (permalink)
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Holy crap that's bright. Nice work dude, looks good. I need to do this so i can fly at night when there's no wind.
You should paint the right side green for night orientation.
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Old 06-22-2011, 01:53 AM   #3 (permalink)
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Quote:
Originally Posted by RwingVR6 View Post
Holy crap that's bright.
It's not that super (washed out) bright in real life, but you can definitely see it.

Quote:
You should paint the right side green for night orientation.
I have tried different colors with an earler night flyer (my mSR) but found I didn't need them. Somewhat surprisingly, just the shape of the canopy pretty much gives you the orientation info you need. For anyone who didn't see it in the earlier thread, here's a link to the video of the mSR with the same LED setup and stock canopy flying by moonlight:
Second night test flight with Blade mSR and LEDs (0 min 42 sec)
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Old 06-22-2011, 01:58 AM   #4 (permalink)
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Quote:
Originally Posted by crashmore View Post
It's not that super (washed out) bright in real life, but you can definitely see it.



I have tried different colors with an earler night flyer (my mSR) but found I didn't need them. Somewhat surprisingly, just the shape of the canopy pretty much gives you the orientation info you need.
Yeah that makes sense dude.
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Old 06-22-2011, 08:22 AM   #5 (permalink)
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Default Advice?

Hay Crash,
lighting question.
I have a strobe led from another electric heli.
I mounted it on the end of the tail boom, ran the wires down the boom and soldered it to the battery connections just like you did. When I plugged in the battery the light worked but the tail moter started as well. WTF?
I tried to solder the light to the battery wires directly and again the tail moter ran full speed when the battery was connected.

Is the key to this the 30ohm resistor?
All I want is a flashing led on my tale.

Thanks for your help.
Roger
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Old 06-22-2011, 09:50 AM   #6 (permalink)
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Your wires' insulation rubbed through inside the boom. The CF is also conductive.
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Old 06-22-2011, 03:30 PM   #7 (permalink)
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Quote:
Originally Posted by hydro_pyro View Post
Your wires' insulation rubbed through inside the boom. The CF is also conductive.
I'll defer to hydro_pyro's small heli lighting expertise, which is considerable.

If your tail motor is coming on when you power up the LED, there's some kind of sneak path from the LED supply to the motor, obviously. Should be pretty easy to find. And like h_p says, watch out for how conductive the CF boom is. I think my mSR's CF mainshaft was only 5 ohms from end to end.

And just by the way, when I looked at the specs for a self-flashing LED once, I was amazed at how much current it used. You might want to have a look how much yours is using. (Mine uses about 25 mA with a fully charged battery. I think the flashing LED I looked at used about 50?)
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Old 06-29-2011, 02:30 PM   #8 (permalink)
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Hey Hydro pyro, I didnt see any rc heli pics on your flickr page. Are u hiding them?
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Old 06-29-2011, 03:16 PM   #9 (permalink)
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How am I supposed to fly and shoot at the same time?
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