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Unread 22-06-2010, 15:06
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Re: pic: sheet metal 6WD

Another way to strengthen a frame such as this is adequate attachment between the inner and outer drive plates. This combines them into a much larger, and much stronger beam (a ~3-4" tall I-Beam).

If you understand the basic concepts, you'll quickly see that rather trivial and easy changes in design can cause appreciable increases in strength.

Kajeeven, this isn't a criticism of your design, I would definitely classify your attachment as adequate. It's just a convenient place to mention such concepts... Too much what on this forum and not enough why.

I do highly recommend adding a single baseplate that attaches to all members of the frame, or at least the full length of the front/back crossmembers and inner drive rails. This will greatly increase the rigidity of your frame. Think of it as an infinite amount of crossupports, providing strength in whatever direction is needed at the moment. Also provides a very low CG friendly electronics mount.

Last edited by AdamHeard : 22-06-2010 at 15:10.
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