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by Water has long been the enemy of electronic devices like cell phones and laptops. Non-waterproof components typically feature shapes not conducive for rubber o-rings or other forms of sealing. Enter the Ion Mask coating from P2i. Allegedly designed to repel toxic vapor and fluids from military fabric, the coating has been found easy to apply to electronic surfaces, offering a non-conductive solution to sealing water away from sensitive components. It works by chemically bonding itself to the circuitry for a permanent, waterproof coating.
Hopefully the technology can be applied to the world of remote controlled cars. Hobbyists typically resort to melting candle wax into receivers and speed controllers or carefully wrapping components in order to make their vehicles waterproof. Even these solutions often leave the servos exposed to the elements. Other than the latest E-Maxx offering from Traxxas, water/mud/snow-proofing these vehicles remains a custom challenge.
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Anybody Drive R/C Cars Here? by VnutZ :: NR8 :: Show
And I don't mean the Toys 'R Us and Radio Shack brand Tyco or Nikko style vehicles but the expensive, complicated and really fast kind made by Associated, Kyosho, Traxxas, etc.
I find them a good platform for playing with waterproofing because frankly, it's a lot cooler to run them through snow and deep mud than in little circles in the driveway. Unfortunately, the common "stick it in a balloon" trick doesn't necessarily work with these vehicles because speed controllers will melt the rubber as they dissipate up to up to serious amperage. I'd heard of melting candlewax onto the circuit boards before and thought about slathering them in dielectric grease (same stuff as used on auto spark plugs) but never bothered to get around to it.