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my first snow sled/skimmer was kind of like a boat which made turning without tipping over very hard, this year I tried some side pods to provide stability while turning, going over bumps, and jumps. I made some templates out of poster board and cut the pieces out of dollar store foamboard. me and my brother assembled it, and installed the servo for steering the rudder. To make it water-proof I put the receiver and speed controller in a ziplock bag, and spray painted the vehicle. ready to go! first drive is great steering is stable but you can also do donuts! it has lots of power with a little 2 cell battery but with a 3 cell it was just to powerful. overall this little one was great for speeding around in the backyard! I wanted to make a bigger new one to handle better at high speeds. so I took the same design and made it bigger with some modifications like a fin to deflect air upwards to have down-force at high throttle. on this one the pontoons were less sturdy because I used the same dowels as the small ones, so they wanted to fall off. I think some metal rods would be a better option. the down-force fin really limited steering so I just cut that off and it worked normally again. it was fun to slide it around on the road ice too. some improvements would be to have a servo to control the down-force level for different modes of sledding. it would be cool to 3d print some parts so I don't have to use foam-board which gets soggy and fails. video:
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