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Old 01-11-2013, 04:12 PM   #201 (permalink)
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A rack & pinion may be easier to synchronize that four hydraulic cylinders.

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Old 01-11-2013, 08:03 PM   #202 (permalink)
ron
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that may be an electric worm drive lift system, that is what it sounds like to me anyway keeping hydraulic cylinders in sinc is possible using flow dividers, so it could be hyd. it just does not sound like it on my speakers
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Old 01-14-2013, 02:18 AM   #203 (permalink)
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I got a bit more work done this week. On the structural side, I got the rear door framing glued/installed into the shell. this will all be fiberglassed in and will give me something to screw brackets for the rear door into.




And finally got the final coat of paint on the side panels for the bed extension. These are supposed to be factory color, but probably would match better if my truck hadn't been siting in the sun for the last 13 years... :P I'm pretty happy w/ how they came out, anyhow. Had to run a couple space heaters and open the door to the house w/ the heater blasting (before painting) to get the garage warm enough to work in.


I think I posted before that I had bought some rattle can factory color stuff locally. It has to be used with clear coat, and is pretty easy to spray. Most important is all the body-work and sanding done before-hand. Block-sand and primer over 9000 times and then wipe the surface down with tac cloth.

The color sprays on in a few coats... just have to make even passes and make sure to press the nozel down all the way to to get full force out of the can.

For the clear coat, start with at light coat, and then get progressively heavier with it, giving about ten minutes between coats. After a couple coats, it can be sprayed on heavy enough that the surface looks wet with it, and the paint will smooth together as it hardens.

This Video is really helpful:




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Old 01-14-2013, 09:58 AM   #204 (permalink)
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You can get some cool actuators from the JY. Convertibles and power seat adjusters. Worm drives.
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Old 01-14-2013, 02:57 PM   #205 (permalink)
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Originally Posted by moorecomp View Post
You can get some cool actuators from the JY. Convertibles and power seat adjusters. Worm drives.
What's a "JY Convertible"?

This could be cool... if it's smooth enough to be easy to lift by hand, it shouldn't be difficult to stick a motor on it somewhere and power it up.
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Old 01-15-2013, 10:10 AM   #206 (permalink)
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What's a "JY Convertible"?
Junk Yard perhaps?
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The power needed to push an object through a fluid increases as the cube of the velocity. Mechanical friction increases as the square, so increasing speed requires progressively more power.
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Old 01-15-2013, 01:19 PM   #207 (permalink)
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Yes, junk yard.
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Old 01-15-2013, 02:00 PM   #208 (permalink)
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Paint looks great!
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Old 01-15-2013, 09:46 PM   #209 (permalink)
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File this under 'Kids these days'.


I don't what they use. I'd go with electric screw jacks with some load balancing circuit so it doesn't bind up.
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Old 01-15-2013, 09:53 PM   #210 (permalink)
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Ooo, that's pretty rad...

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