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07-18-2006 03:40 AM  14 years ago
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Graybug

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Melbourne, Florida

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Electronics Survival Story
Believe it or not, all my electronics survived immersion in water! I was flying in an open field with tall grass doing a practice auto when the motor quit. (I had the throttle at the lowest setting before cutoff--5 percent...since then I've bumped it up to 6 percent to avoid such cutouts.) Anyway, I completed the auto into tall grass a ways from me, and when I got there, it was on its side in 4 inches of rainwater! ESC (CC-35), receiver (Electron 6), motor (Mega 16-15-3), and gyro (GY-401) were submerged. I shook out as much water as I could and tried it--completely dead.

At home I used canned air to get as much water out as I could. I had a second Electron 6, so I plugged everything into that one AND EVERYTHING WORKED NORMALLY! The ESC still had water droplets on the inside of the shrink wrap, but it worked fine. So I went back out to the field and finished my flying day. When done, all the moisture in the ESC was gone (from the heat, naturally). But the real miracle is that, after a day of drying out, my first Electron 6 is back fully operational! Bottom Line: No apparent damage to any of my electronics. Of course, we'll have to see if everything continues to work--I'll keep the surviving Electron 6 as my backup from now on!

Anyone else have a similar experience?...

If something hasn't broken on your helicopter, it's about to!
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07-18-2006 03:51 AM  14 years ago
robl45

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Deerfield Beach, FL

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I dipped mine in a pool, everything survived except the battery which corroded. I was told to spray out all the electronics with motor cleaner as it will evaporate and dry up the water, I opened them all up and sprayed them out liberally.
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07-18-2006 04:07 AM  14 years ago
Graybug

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Melbourne, Florida

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Willy: Since yours didn't involve water, I don't see that as similar...but I'm glad you survived.

Robl45: Yeah, pool water would by nasty. Mine was in clear rainwater, fortunately. Maybe I ought use electronics cleaning spray on mine...might avoid insidious corrosion.

If something hasn't broken on your helicopter, it's about to!
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07-18-2006 05:00 AM  14 years ago
heliboy1023

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Tinton Falls, NJ

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I would send everything in. Though you think everything might be fine, it will only be a matter of time before something goes wrong. This is because the water WILL get under and in everything. This means all the IC will have water under, and some even in them. All the pots will too. I would just send everything back to the manufactures telling them what happened. If you wait to long, rust will form, and this can make into a very dangerous situation. You can do this yourself with an air compressor, and just blow everything out very well, however it will be harder to make sure that all the IC are still working 100% w/o the correct electrical crap.You know you have to many heli's only when your wallet is empty.
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07-18-2006 06:09 AM  14 years ago
Skiddz

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Carlsbad, CA

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Douse the stuff in 90% isopropyl alcohol. As the alcohol evaporates it'll take the water with it. I've saved a lot of cell phones like this.A helicopter is 10,000 parts spinning rapidly around an oil leak.
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07-18-2006 06:42 AM  14 years ago
James Yeram

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Oceanside, CA

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Allright guys,
First attempt at flying a plank.
cheap cessna scale trainer.
lodged way up in a tree.
nothing would get it down but a fire truck.........
fire hose that is 500 gallons of water and woola it fell out of the tree. not only did all electronics survive being pounded with water
it survived a 100 ft+ drop.
good stuff.
i felt like an ass tallest tree out there and i had to get stuck in it.
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07-18-2006 11:46 AM  14 years ago
robl45

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Deerfield Beach, FL

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I didn't do the servos with the motorcleaner because they seemed pretty well sealed, but the receiver, gyro, and copilot that I had on it were short liberally and allowed to dry.I shot the around the speedcontroller as I didn't want to take it apart.
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07-18-2006 04:56 PM  14 years ago
heliboy1023

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Tinton Falls, NJ

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Servo's, though they look sealed, they aren't. What can/will happen if you didn't get ALL the water out is that condensation will form. This WILL cause rust, and that will just make stuff fail.


If you send everything in (should only take about 2 weeks), then if something fails in flight, and you can see even the tinyiest bit of rust, I am pretty sure that the mfg will replace that part for free, plus chances are, since they didn't fix it right, they will be liable for the whole thing.


So not only an extra safety measure so they can test all the IC to make sure they work, but if something fails due to rust, normally they will take the liablity.
You know you have to many heli's only when your wallet is empty.
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