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LATEST UPDATE (3/8/08): Project is now complete! See below:
Hi, All...
Recall that I'm building a folding paint spray booth that hangs on the wall of my shop:
The first three installments, now in the archives, discussed overall design, the venturi, and the filter cabinet:
1stclass.mylargescale.com/dawgnabbit/spraybooth/Chapter%20I%20The%20Grand%20Plan.pdf
1stclass.mylargescale.com/dawgnabbit/spraybooth/Chapter%20II%20Venturi.pdf
1stclass.mylargescale.com/dawgnabbit/spraybooth/Chapter%20III%20Filter%20Cabinet.pdf
Whew! With that out of the way, I can tell you that today I built and installed the folding platform. Here it is open, with "automatic" support legs deployed:
The platform itself is a torsion box, which is plenty sturdy and will remain flat "no matter what." The support legs automatically deploy when the platform is lowered, and are designed so that increasing load only locks them in place more tightly. When up, the platform is retained by a flexible oak spring catch. All these details are spelled out in great, um...detail in the accompanying pdf:
http://1stclass.mylargescale.com/dawgnabbit/spraybooth/Chapter%20IV%20Platform.pdf
That's it for today. I'm off to travel again, so I probably won't have more until later this month.
Cheers,
Dawg
Hi, All...
Recall that I'm building a folding paint spray booth that hangs on the wall of my shop:

The first three installments, now in the archives, discussed overall design, the venturi, and the filter cabinet:
1stclass.mylargescale.com/dawgnabbit/spraybooth/Chapter%20I%20The%20Grand%20Plan.pdf
1stclass.mylargescale.com/dawgnabbit/spraybooth/Chapter%20II%20Venturi.pdf
1stclass.mylargescale.com/dawgnabbit/spraybooth/Chapter%20III%20Filter%20Cabinet.pdf
Whew! With that out of the way, I can tell you that today I built and installed the folding platform. Here it is open, with "automatic" support legs deployed:

The platform itself is a torsion box, which is plenty sturdy and will remain flat "no matter what." The support legs automatically deploy when the platform is lowered, and are designed so that increasing load only locks them in place more tightly. When up, the platform is retained by a flexible oak spring catch. All these details are spelled out in great, um...detail in the accompanying pdf:
http://1stclass.mylargescale.com/dawgnabbit/spraybooth/Chapter%20IV%20Platform.pdf
That's it for today. I'm off to travel again, so I probably won't have more until later this month.
Cheers,
Dawg