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Old 01-21-2014, 10:36 PM   #321
aburkhardt
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Default DIY Night blades

LEDs came in the mail today. Didn't take much to wire these up. The hardest part was ordering all the supplies.


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Old 02-25-2014, 10:24 AM   #322
Katanadude
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Default Clear coat blades for nitro protection?

Hey guys, just finished building one of my 710 blades for my 700N. Thanks for all the useful info posted here making my build go smoothly.

Question I have is should I clear coat the blades to protect the copper tape, LED's and resistors from nitro and exhaust?

Thanks
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Old 02-25-2014, 11:26 AM   #323
aburkhardt
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Default DIY Night blades

Yes. I used a 2 part clear. It will help the components stick and protect then from solvents in the exhaust. This was by far the most expensive supply. I think you can buy a 2k clear rattle can for about 20 bucks. Don't forget to clear coat the canopy too!


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Old 02-26-2014, 09:08 AM   #324
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Very good, thanks aburkhardt.
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Old 04-01-2014, 01:23 AM   #325
djsmeegy
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Default Re: DIY Night blades

Hi guys, I've been inspired by you and I've done my 1st night blades for my t-rex 450. Yesterday I just tested the ballance of blades when turned on the heli for a lower speed.
I have 2 LEDs on each blade (top and bott). Using 100mAh lipo.
Here you can see pics.

Odesláno z mého GT-N7100 pomocí Tapatalk 2




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Old 11-10-2014, 06:02 AM   #326
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Very tempting to make one for my 700!
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Old 11-10-2014, 06:27 AM   #327
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Ok sorry for asking but why do we only need the resistors on the red LED?
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Old 11-10-2014, 08:19 AM   #328
electronjunkie
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Quote:
Originally Posted by muscleflex View Post
Ok sorry for asking but why do we only need the resistors on the red LED?
It is a good idea to have resistors on all LEDs. They are very nonlinear. Every color has a certain on-voltage. If that on-voltage is much less than 4.2v then the resistor can eat the difference instead of killing your battery.

If you have multiple colors in parallel then lower voltage colors like green and yellow may cause blue, purple and white to dim if the lower voltage colors don't get a resistor. Every color gets a different value. Usually choose a reaistor that puts you at 10-20mA but it really depends on that LEDs specs.
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