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  1. How about acid etching the copper off of the...

    How about acid etching the copper off of the titanium?

    Timelord ;cool;
  2. Simplest solution

    You can compound 4 x 2:1 simple setups using only 4 pulleys to get 16:1 advantage.

    http://www.engineersedge.com/engineering-forum/attachment.php?attachmentid=1750&stc=1

    Timelord ;cool;
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    Turn the bearing over? I've heard of this...

    Turn the bearing over? I've heard of this referred to as a sprag clutch also.

    Timelord
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    The default tolerance should always be dynamic...

    The default tolerance should always be dynamic and at the discretion of the designer because it needs to suit the part being detailed. Any shop worth its salt will always check the default tolerance...
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    Rasterman, Consider this: You are installing a...

    Rasterman,
    Consider this: You are installing a new sloped roof so it doesn't matter that the "attic" floor isn't even. You could just sister a 2X4 to each beam, notching for the cross braces, to...
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    Another way to handle this , if your assembly...

    Another way to handle this , if your assembly people are capable, is to manufacture the parts with undersize holes and note on the assembly drawing to drill and or ream at assembly.

    Timelord
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    The local electrical code will have wire size vs....

    The local electrical code will have wire size vs. current requirements, usually by referring to the National Electrical Code in the US.

    Timelord
  8. He is describing a capacitor. The charge collects...

    He is describing a capacitor. The charge collects all over the surface.

    ;cool;
  9. Three words: "Free Body Diagram" If you don't...

    Three words: "Free Body Diagram" If you don't know what that is, you will need to find someone who does.

    Timelord
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    A backyard force fed RAM jet. Anything...

    A backyard force fed RAM jet. Anything downstream of the flame will get real hot. Hot enough to melt PVC in short order. Typically the hot section is a high temp stainless like Inconel, even...
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    The property of your plastic you want to check is...

    The property of your plastic you want to check is termed "creep". It characterizes the long tem "flow" property.

    Timelord
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    Another way to assure that the axles share the...

    Another way to assure that the axles share the load is to use a walking beam mount between two inner facing leaf spring perches. This compensates for the trailer's off horizontal angle.

    Timelord
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    Can you legally work in the US? What do you tell...

    Can you legally work in the US? What do you tell your prospective employers about your immigration status? If you have not been addressing this in a cover letter, it could explain the lack of...
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    Try this experiment to convince you this is a bad...

    Try this experiment to convince you this is a bad idea. Hook a vacuum pump to the 55 gal drum and suck a vacuum on it. A vacuum inside the drum is equivalent to the pressure at only 2 feet of water...
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    Many times heat treat after machining is...

    Many times heat treat after machining is specified so the residual stress from the machining is removed. Is the heat treat a bulk or surface treatment? That can also make a huge difference.
    ...
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    My M:T:C, I would set it up to form from a...

    My M:T:C,

    I would set it up to form from a continuous strip that has the ears already on it at a proper spacing and trim it with the die just as it completely closes. That way you can design the...
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    Of course the 2D solution is easily derived from...

    Of course the 2D solution is easily derived from Kelly's answer resulting in a much simpler problem. Kudos to Kelly for the general solution though.

    Timelord
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    Because 10 to the zero power is equal to one, not...

    Because 10 to the zero power is equal to one, not ten!

    Timelord
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    If you don't care about weight, a sine plate will...

    If you don't care about weight, a sine plate will do what you want, very accurately.

    Timelord
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    robman, Why bother trying to straighten the...

    robman,

    Why bother trying to straighten the sagging 2 x 4's. The simplest solution is to sister new straight 2 x 4's to the sagging ones, level with the new rafters. Only cost is some more...
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    Gauge pins can be used as go/no-go gauges. Even...

    Gauge pins can be used as go/no-go gauges. Even if you have a custom go/no-go gauge made, it is cheaper than air gauging.

    Timelord
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    I can add from over 45 years as a design...

    I can add from over 45 years as a design engineer that I have never needed a part where I had a photo or a shape and didn't know the exact description and purpose. I'll add as a caveat that the...
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    I only use models from the net to illustrate...

    I only use models from the net to illustrate purchased parts and assemblies, so I always go straight to the vendors. I would never use someone else's model for parts that need to be fabricated. I...
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    1250 lb-in is 104 lb-ft, which is well within the...

    1250 lb-in is 104 lb-ft, which is well within the range of any 1/2 inch drive socket wrench. What is the bolt (head) size? Different toolmakers have different standards, so sockets ODs vary. ...
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    You will have to go thru the drive train and...

    You will have to go thru the drive train and calculate the individual loads along the load path, simple engineering. But it would seem to me that you are omitting what is probably the biggest load...
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