Crawler for Robot application I am looking to purchase an RC Crawler for a non-standard application and would like some expert advise on the model i should choose. I am looking to modify a crawler to be used as a outdoor research robot that will be used on typically smooth surfaces but capable of driving over small obstacles,light mud, crevasses, etc. It will also need to be loaded down with several pounds of equipment which means I will probably need to modify the suspension and it must be 4 wheel steer. Quality and reliability are number 1. Any suggestions would be greatly appreciated. |
definetly a super crawler of some sort, you could probably get away with a monster truck though. but if youre stuck on a crawler, then you could get either bully or berg axles. |
This sounds like a very interesting project! Do you have any other info or links to what you are doing? I'd love to see what you are making "thumbsup" |
I think a summit might be your best bet. |
Depending on the size of load you'll be carrying (not weight) but mass. A standard 2.2 axial crawler may work well. You did say super reliable. Honestly whats more reliable than the old faithful axial axles and tranny. I thing the berg Idea is good but I would imagine for something that needs to be that reliable you could remove some of the problem out of the equation by only running one motor with shafts. Now if he wants to win comps with a few pounds of gear on his back go with a BERG"thumbsup" |
I would look at a Clod based Super. |
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Clodbuster, Berg axles or any type of moa axles in general would be your best bet for your rig. If you will be using a CPU and other sensors or electronics, you will not want to be limited by a center gearbox or driveshafts. You can design a chassis around your gear. A simple 4-link system and straight mounted shocks can easily be tuned with shock oil and spring rate to carry the extra weight. I've built a number of robot platforms on Clod axles like you are talking about. Sorry but I can't show any pics due to non-disclosure agreements. |
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summits are not 4ws, and are junk |
Or then again if your project is small enough you can follow the same route every other A/T robot builder does. Tracks. Check the Kyosho blizzard out as a platform. Easily modifiable too. |
This is a different direction but...........maybe a Tamiya Tank? http://www.tamiyausa.com/product/cat...p?sub-id=33000 |
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I think a basic built tvp chassis on super bully axles is the way to go. JMO. The bullys are really reliable and with a purpose built tvp (twin vertical plane) chassis you can stuff a lot of your equipment batterys etc inside. Since you aren't comping with it you could set your chassis wider ableing you to stuff a lot inside the chassis plates. Plus with this set up you can basicly design your own chassis with spots to mount whatever your likeing. Whats coming to mind is super bully axles with a sw2 chassis. Theres tons of screw holes for mounting whatever and without a trans and drive shafts your wide open down the center. |
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