Fully Active Pneumatic Suspension Build Completed Hey guys, I've finally completed a senior project I've been working on . Check it out and let me know what you think. https://sites.google.com/site/pvfjr1/aleas It's a modified SCX10 Honcho that has small pneumatic cylinders for shocks. It has a control system that I designed with an accelerometer, gyroscope, force sensors, and cylinder position encoders. Servos operate small air valves, and two lightweight tanks store compressed air from a bike pump. Using open differentials, I have more than doubled RTI test performance, added 7* of rollover resistance, and improved dynamic ditch escaping abilities. Check out a couple of the videos below, or just visit the site for more information. https://www.youtube.com/watch?v=V_fctmLv1VM https://www.youtube.com/watch?v=_9AArzLKP0E https://lh5.googleusercontent.com/-u...o/IMG_9932.JPG |
Re: Fully Active Pneumatic Suspension Build Completed That is a very cool project! I will have to remember to watch the videos when I get home from work. |
Wow. Very cool. That's amazing work. Give yourself a pat on the back. I wish I had the knowledge and time to do that! Very cool. |
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That is seriously one of the coolest self built systems I haver ever seen in rc, awesome. |
Re: Fully Active Pneumatic Suspension Build Completed Thats a pretty nifty setup. Very creative. Question, what is the weight of the stock rig as tested and what is the weight of the modified rig? |
Re: Fully Active Pneumatic Suspension Build Completed Love it. Nice work. "thumbsup""thumbsup""thumbsup" |
Re: Fully Active Pneumatic Suspension Build Completed That is too cool, very inventive |
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I think it has actually been tried before on rcc, but never finished iirc. In 1x1 there was a load leveling system for crawlers based on air bags and a central brain. It never got popular for some reason. I'm also curious of the weight difference between these two test vehicles. |
Re: Fully Active Pneumatic Suspension Build Completed That is really cool! Your website says that is a proof of concept, so I hope you can continue working on it and get it into bigger and better things! ie. 1:1 rigs! |
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Do you think you could find a link to the 1:1 system you're talking about? |
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Pretty sure he's talking about the air rock suspension system. I talked to the owner of a winch rope company one year at a big rock crawling event that had the system. The next year he brought his Jeep back with coilovers instead of air bags. I asked him why the change and he said it was great until you went around a long S turn on the highway and the suspension compensated for the side load. When you hit the next corner quickly the weight was already shifted outwardly not in or centered so it was spooky to drive. |
Re: Fully Active Pneumatic Suspension Build Completed Eventually will you be able to do all the setup at the transmitter instead of having to touch the truck to adjust for the ditch escape for example? |
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Too bad they abandoned the system for a fixable problem. :cry: |
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I'm also sure Accelerometers have shrunk in size, and / or are more readily available for such uses now. good stuff on the degrees. "thumbsup""thumbsup" |
Re: Fully Active Pneumatic Suspension Build Completed Land Rovers have a similar system. My Discovery 2 had it. |
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Some people build nice stuff and get around just fine. While others are in engineering programs and think they can build the best mouse trap. Look up chainlink and chainlinks retarded cousin for perfect examples of a super complicated answer to the non problem. I'm not playing down the knowledge or skills needed to build an rc with active suspension so don't get me wrong. I'm just saying enjoy it for what it is, your kick ass project. |
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