I love the concept of a military or stealth theme because of the rugged feel. Agian just napkin sketches for the tops. A center sphere is common in both designs and a feature I am sold on that I simply only see in professional robots and military / industrial equipment. In both cases a ultrasonic rangefinder and camera is in the sphere. I want it fairly large so addition sensors , stereoscopic cameras or other sensors can be utilized in the same enclosed pan / tilt assembly.

Ok so I really needed to get suspension components that are standardized enough to be purchased anywhere in the world but also available at a low cost. Some aspects of chassis I won't make public but others are important right? i will measure these units and then model them as a 3d stl. The rest of the suspension length and shape depends on these numbers. Here are pics of the shocks. They are in fact oil filled and use a coil over progressive spring. At this point there are various angle choices and options to have either one or two shocks per wheel.

@Josh I really like those mini shocks and they are oil filled also, they look like a good quality and sturdy shock. Very nice indeed :-}

@josh - Are those offroad R/C shocks? What brand is that? HPI usually has purple anodized aluminum parts.

Where did you do all the 3d designs on

Hey, the shocks are unbranded and direct from china. They do resemble hpi so maybe they are the same , i found pictures where they literally look identical. I wanted to use a format that gave the end user easy upgrade options from a local hobby shop or online provider. They are compatible with alternate springs and heavier weight oils as well. The plan will allow for swapping of shorter 80mm shocks as well. That was one of the limiting disadvantages I saw in completely proprietary spring suspension like in dagu wild thumpers

@Josh More than likely they are the same shock as the hpi ones. Lately I have been ordering parts and pieces off of Ebay from China, I cannot beat the prices, none of the stores around here even come close on the price and most of the time the shipping is very cheap or nothing at all, now I don't understand that at all.

Muhammad , i started using 123d design which is more basic but user friendly and produces stl objects easily. It's a good idea to download and start learning blender and Netfabb as well. You can start a object in one program then migrate it to another for creating complex curves objects you can only do with mesh. Take in mind I'm still new and I recently downloaded 3ds max but I'm still very new to it.