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Defender MAME Project

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Yvan256:
About the side panel stability/strength issue... could you post some photos of the "unfolding" process? I think I have an idea of how to make it ultra-strong without any external signs once in two-players mode, but I'm not sure if your configuration would allow it.

Think "triangle supports at the back of the folding panels".

In crude ASCII-art, it would look like   \|   |/     viewed from the front.

drventure:
I could see those triangle bits, and hinge them, kind of like the old butler tables (that might not be the right term).

martoon x:

--- Quote from: Yvan256 on December 25, 2009, 09:53:22 am ---About the side panel stability/strength issue... could you post some photos of the "unfolding" process? I think I have an idea of how to make it ultra-strong without any external signs once in two-players mode, but I'm not sure if your configuration would allow it.

Think "triangle supports at the back of the folding panels".

In crude ASCII-art, it would look like   \|   |/     viewed from the front.


--- End quote ---

Exactly. I've been planning to box in panels to hide all of the bits. Once those "sides" are in place, they'll press up against the side of the cab for stability |-----| With that and the aluminum, and the fact that the whole thing will be resting on the swing out door, it should be pretty stable.

drventure:
Here's a shot of the overall mechanism



and here's a little better closeup of the gearing involved.



I haven't had the time to dismantle it beyond this.

the nice thing is, it's got several limiter switches already. Not completely sure how to rejigger the control signals, but that little coiled cable that leads to the motor housing contains several separate wires. I'm guessing I can run them through relays of some sort for control, once I figure out the power on them and which is which.

bigpete405:
That cab looks super strong. That cp is sick also. :cheers:

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