How to Waterproof Your Drone

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Waterproofing your drone is a wonderful manner to make sure its longevity. There are a number of situations the place waterproofing your drone will come in useful however there will not be as some ways to waterproof mentioned drone.

On this article, we’ll focus on a number of strategies you need to use to ensure your drone is waterproof or no less than waterproof.

Why waterproof a drone?

Why would you wish to waterproof your drone within the first place?

Whereas as a pilot, you need to by no means fly within the rain or snow until given clearance or an emergency is happening, there are conditions when it’s important to.

That’s purpose sufficient to waterproof your drone if you happen to ask us!

Moisture can acquire in, on, and across the drone in any other case, and that would end in some kind of gentle malfunction.

Whereas this isn’t an enormous drawback, one other concern is that moisture may get on the digicam, ruining a shot. Once more, not an enormous drawback, per se, however nonetheless an issue.

One other instance of how waterproofing your drone is efficacious is once you’re flying over water, presumably taking off or touchdown from an island or a ship.

You would want to first ensure the boat is stationary, however even when the engine is turned off, the drone has a chance of touchdown within the water.

It’s because wind can push the boat in a single path or one other inflicting the drone to land within the fallacious spot, or presumably within the water.

The perfect factor for a pilot to do when waterproofing the drone is to examine the place moisture may get in. Areas just like the motor, propellers, battery compartments, and extra are all viable areas to waterproof.

Sadly, in case your drone has air flow holes, you may wish to keep away from waterproofing it.

By clogging the air flow holes, your drone could overheat and have burnt circuits, flight malfunctions, and presumably an exploded battery.

On the brilliant aspect, some drones nowadays don’t even have air flow holes on the primary physique. Most of those are contained in the battery so you may waterproof the drone as you want.

Drone waterproofing strategies

In the event you’ve determined to waterproof your drone, right here’s how you are able to do it.

Waterproofing by spray and brush

There are specific sprays and brushes you should purchase for drone waterproofing. Most of those are supposed to waterproof sneakers.

The spray is a gloss and can coat any surfaces which have small holes in them akin to a gimbal.

Just remember to cowl up the lens with a bit of tape earlier than spraying.

It’s inconceivable to know whether or not you’ve waterproofed your gimbal utterly, so the perfect factor to do is ensure the spray is utilized effectively.

The conformal coating spray is a skinny, versatile movie that wraps round circuits to guard them from the weather.

As a result of silicone conformal coating is extra immune to chemical shocks and mechanical shocks than acrylic, it repels water extra successfully

It’s doable to make use of acrylic conformal coating if you happen to don’t have any. Though it can present some safety, if you happen to use an excessive amount of, it may be troublesome to get it off the circuit board, in case you want it to solder or renew the coating.

As for waterproofing the inside of the drone, you’ll should disassemble your drone to the purpose that you simply’ve singled out the anticorrosive ports, sockets, and different elements that may’t be lined with a silicone coating. 

In the event you unintentionally drop an excessive amount of on one port, corrosives will disrupt the circulate of electrical energy and may trigger injury to your drone.

CorrosionX HD or Shake’n Bake CorrosionX are beneficial merchandise for this stage. 

CorrosionX Corrosion Technologies HD 12 oz.

Kinds a dripless, dynamic, non-hardening, self-healing movie that stubbornly resists erosion by splash or spray – together with full submersion in saltwater.

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Ensure that the silicone is dry earlier than making use of anti-corrosives.

Do not forget that anti-corrosion lubricants are sometimes accessible in spray type. The substance can also be messy. 

You may’t afford to overlook a spot with anti-corrosion lubricants, and also you may spray greater than you want. Get to know the way the spray comes out and at what consistency earlier than you coat your drone.

In the event you’re not planning to make use of the SD card slot, don’t apply any anti-corrosion coating or lubricant. You’ll have to take it off.

Just remember to apply the waterproofing generously to guard the GPS and barometer from water. As lined in Can Drones Hover in One Spot? the GPS is extraordinarily necessary to the drone working correctly. Shield it in any respect prices.

Waterproofing by filling in holes

Another choice, however a a lot riskier and extra everlasting one, is to fill within the rotor holes in your drone. That is the world subsequent to the propellers.

The explanation why this can be a everlasting answer is that after this filler has been cemented into place, your propellers won’t simply come out.

You’ll have to squirt a small quantity of silicone into the rotor gap, then push down on the silicone to fill within the gap.

This may fill in all the way in which all the way down to the underside of the rotor if an excessive amount of silicone is utilized. You’ll have to be sure you’re conservative with the quantity you utilize.

Blow-dry the silicone to dry the rubber cement quicker in order that it doesn’t fall all the way down to the underside of the rotor gap.

As soon as dry, examine the rotor, ensuring that the propellors can slot in place. Examine that the rotor spins as quick because it did earlier than, after which test-fly your drone in a secure setting at a low altitude.

Is it doable to waterproof an FPV drone?

Though an FPV drone is extra advanced than a quadcopter, the waterproofing course of works in the identical manner.

A conformal coating can be utilized to waterproof an FPV drone, however it is very important keep away from damaging ports. You should additionally coat the receiver and VTX.

Motors coming in touch with water are the one hazard. Rust could cause injury to your tools.

The final word waterproofing

This information had two fundamental targets: to evaluation some fundamentals about drones and water and to assist drone house owners such as you make your tools extra immune to water injury.

You most likely know the advantages of waterproofing your drone. For a low value, you may extend its life and shield its digital parts.

It’s best to have discovered the fundamentals of conformal coating and realized why a wetsuit will not be the only option, although it’s the best.

Combining anti-corrosion on delicate ports with silicone coating your PCB provides you with the final word waterproofing.


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