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Unread 12-02-2012, 10:00
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pyroslev pyroslev is offline
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AKA: Jack of all trades, Master of few
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Re: How are you getting over the 4" bump?

Our frame's extruded aluminum (30x30 hand cut and welded). We toyed with a mechanized skid plate, treads, etc. In the end, one of the mentors and a student came up with the idea of putting angled braces on wither side of the front wheels.
Top view:
BBBBBBBRACE
Wheel
BBBBBBBRACE

Side view: (W=wheel)
Frame
WBrace
WBrace
WBrace
WBrace

The first wheel goes up, the skid braces hit and get you up then the rest of the 8 wheel drive takes over. Makes for a bumpy ride but in the end, it works. However you attach it, make sure they've got good welds/attachments and something like teflon on them to make things easier.
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