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Saturday, 19 March 2011

Frame Design 2

So here is the second concept for the frame of the E-Crosser.

SIDE NOTE: I forgot to mention, I am using 3D Studio Max for the design concept.

The changes are significant as you can see.  I got rid of that swing arm concept for fully independant suspension all around.

Also, All four wheels would be driven by an electric motor, instead of one large one in the rear, controlled with the hope of a clever traction control program.

In this concept I was thinking about using wood for the frame.  I thought it might be kind of unique to try this, and also, I have a lot more experience with wood working than metal fabrication.  Because of this concept idea I built the frame as a hybrid using boat and plane frames as a basis.  A silly thing to try, but why not?  I later thought I should move away from using wood because I learned that plane frames and boat frames tend to flex, and in a car for carving corners, flex in the frame is not what I want.

I increased the wheels to 225/45/15 as well.  The wheelbase is still not legal under CASC rules so that is in development now.

Also, from the input of someone on the CASC forum I will be utilizing a Mazda Miata's suspension in Design 3.  Should be easy enough to find one at a wreckers.  It's sorted out by Mazda so it should be almost "plug and play", but you won't see that design until Concept 3...we are only on Concept 2 here.  It's about 65% done now so it should be done in a week or so.

Enjoy





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