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[How To] How to Waterproof Brushed ESC and RC Electronics?

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[How To] How to Waterproof Brushed ESC and RC Electronics?

Post by boolean21 on Sun 21 Oct 2012 - 23:51

How to Waterproof ESC and RC Electronics (Insulation Spray Method)

Want to run your RC trucks, cars, etc in water like how we run them?

Received many PMs on how do we waterproof our RC electronics, how do we "make" the trucks survive water, etc etc...

So here's a short "how-to" to share with fellow friends on one of the waterproofing method that we use to protect our ESC, BEC, etc etc from the elements. Smile

Check it out. Smile

Disclaimer: It worked for us, still, there are always risks when playing with water... We do not guarantee that it works for you too.

Warning: TRY AT YOUR OWN RISKS....!

Thanks for watching!

Add us on Facebook http://Facebook.com/SGCrawlers
Visit us at http://SGCrawlers.co.nr and http://MyHoncho.blogspot.com
Our youtube Channel http://youtube.com/MyHonchoSG

Keep RC-ing!!! Very Happy



Last edited by boolean21 on Sun 25 Nov 2012 - 17:41; edited 1 time in total

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Re: [How To] How to Waterproof Brushed ESC and RC Electronics?

Post by laneboysrc on Mon 22 Oct 2012 - 9:08

Great how-to video! Now people will only message you with "where to get the insulating compound" Very Happy
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Re: [How To] How to Waterproof Brushed ESC and RC Electronics?

Post by boolean21 on Mon 22 Oct 2012 - 9:38

laneboysrc wrote:Great how-to video! Now people will only message you with "where to get the insulating compound" Very Happy

thanks bro...

hmmm... i think you are right! hahaha...
just hope it helps some bros and give them an idea on how to get affordable waterproof electronics for their RCs... Smile

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Re: [How To] How to Waterproof Brushed ESC and RC Electronics?

Post by laneboysrc on Tue 25 Dec 2012 - 11:55

Hi everyone,

got a brand new SCX10 Honcho RTR delivered for waterproofing. No, not our truck Smile .

I used this product to waterproof the ESC:



3M Insulating Sealer 1603 Black. They also have a transparent and a red version.
Available in Sim Lim Tower B1-01 for SGD 16 (large 340g can).

First thing is to take the ESC out of the casing. Remove the sticker that covers the sides and the bottom of the Axial ESC. The sticker comes off easily and you can stick it back on later when you are done. After removing the sticker you see tabs in the plastic that hold the upper part of the case to the lower part. Gently pushing with a small flat screwdriver separates the parts.

What you are left with is the bare electronics:



On the bottom there is a sticker. Remove it, it serves no purpose. Your warranty has been voided at this point already Twisted Evil



Mask off the wires and the heat sink. You could spray the heat sink too, but this will degrade cooling performance. Not that it matters for an SCX10 which doesn't draw a lot of power.



What is important with the 3M spray is that you spray from at least 25 cm distance away. Otherwise some of the solvent gets into the layer you spray on and it takes an awful long time to dry. Ask me how I found out Embarassed
And ensure you are in a well ventilated area (HDB car parks work well Very Happy ) as this stuff smells very strong, much stronger than RC grade paint.





Hang it for drying:



After a 2nd thin coat and plenty of drying time it looked like this:





Before you start putting everything back together it is always a good idea to test. Just in case...
Even though the insulating spray adds thickness to the PCB there is plenty of room in the Axial ESC casing:



Put the top case on, clean up the wires, re-apply the sticker, and it is ready for the mud!



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Re: [How To] How to Waterproof Brushed ESC and RC Electronics?

Post by boolean21 on Tue 25 Dec 2012 - 12:01

woohoo...! nice write up! Smile

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Re: [How To] How to Waterproof Brushed ESC and RC Electronics?

Post by DWJL511 on Tue 25 Dec 2012 - 12:09

tks! how does this compare to using Corrosion X? Is the 3M method better?
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Re: [How To] How to Waterproof Brushed ESC and RC Electronics?

Post by laneboysrc on Tue 25 Dec 2012 - 13:24

DWJL511 wrote:how does this compare to using Corrosion X? Is the 3M method better?

I have seen Corrosion X at Jethobby, but never tried it. If I look at their website at http://www.corrosionx.com/corrosionx.html it seems to be more like a grease like WD40 than an insulating sealer.
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Re: [How To] How to Waterproof Brushed ESC and RC Electronics?

Post by babyboy on Tue 25 Dec 2012 - 18:15

laneboysrc wrote:
DWJL511 wrote:how does this compare to using Corrosion X? Is the 3M method better?

I have seen Corrosion X at Jethobby, but never tried it. If I look at their website at http://www.corrosionx.com/corrosionx.html it seems to be more like a grease like WD40 than an insulating sealer.

Corrosion X is thick oil base like. Smells like Singer oil. Its thick and sticky. Will not last forever and need to reapply. Once apply very oily and not easily wash off. I use it for my china ESC and servo. So far still surviving. Now with Laneboysrc info, time to get some water proofing for my upcoming china ESC.
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Re: [How To] How to Waterproof Brushed ESC and RC Electronics?

Post by DWJL511 on Fri 4 Jan 2013 - 9:44

babyboy wrote:
laneboysrc wrote:
DWJL511 wrote:how does this compare to using Corrosion X? Is the 3M method better?

I have seen Corrosion X at Jethobby, but never tried it. If I look at their website at http://www.corrosionx.com/corrosionx.html it seems to be more like a grease like WD40 than an insulating sealer.

Corrosion X is thick oil base like. Smells like Singer oil. Its thick and sticky. Will not last forever and need to reapply. Once apply very oily and not easily wash off. I use it for my china ESC and servo. So far still surviving. Now with Laneboysrc info, time to get some water proofing for my upcoming china ESC.

Am using CX now for all electronics. Soak for abt 2 hours then drip dry for a day. So far so good. I put everything in double balloons and seal ends with marine grease btw 2 zip ties, so I think it shld last for a long time as circuits are not sitting or soaking in water. Smile
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Re: [How To] How to Waterproof Brushed ESC and RC Electronics?

Post by laneboysrc on Fri 4 Jan 2013 - 15:02

DWJL511 wrote: I put everything in double balloons and seal ends with marine grease btw 2 zip ties, so I think it shld last for a long time as circuits are not sitting or soaking in water. Smile

Thanks for the tip with sealing the balloon openings with marine grease; will do that next time.

Instead of zip ties I use these plastic coated metal wires that come in toy packaging. I find they wrap tighter than the cable ties, which are quite stiff especially at small diameters.
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Re: [How To] How to Waterproof Brushed ESC and RC Electronics?

Post by Kirbugoy on Fri 30 Oct 2015 - 8:20

Hi guys,

Newbie question:

Do i really need to submerge and run into water my brushed motor to become water proof.? -what i've seen online

Ty

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Re: [How To] How to Waterproof Brushed ESC and RC Electronics?

Post by boolean21 on Fri 30 Oct 2015 - 8:23

I don't break in the motors... brushed motors will run fine underwater. Smile

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Re: [How To] How to Waterproof Brushed ESC and RC Electronics?

Post by Kirbugoy on Fri 30 Oct 2015 - 9:47

Thanks bro. Appriciate it.

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