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  1. I'll toss in my $.02. I generally like...

    I'll toss in my $.02.

    I generally like American engineering, but I feel there are some things we get wrong.

    American engineers have a nasty habit of tossing out tried and trued designs and...
  2. Just my opinion, but for me a used machine...

    Just my opinion, but for me a used machine inspection is more about the overall feeling of the machine, and typically not something that is easy to quantify.

    I've never, ever, seen a used CNC...
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    This is HDPE/aluminum tubing. Not air brake...

    This is HDPE/aluminum tubing. Not air brake tubing. Rated for 200psi.

    RapidAir 3/4in. MaxLine 100ft. Master Kit, Model# M7500 | Northern Tool + Equipment

    My Lowes shows the cheapest 3/4 copper...
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    OK. Northern Tool is selling the 100 ft 3/4 Rapid...

    OK. Northern Tool is selling the 100 ft 3/4 Rapid Air kit for $159. The cheapest I can get 3/4 DOT air line is $2/ft. Copper about that same.
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    Does anyone have experience with the Rapid Air...

    Does anyone have experience with the Rapid Air aluminum/plastic tubing? Seems a lot cheaper and easier than copper.

    We used the rigid aluminum/plastic tubing at my last real job. That stuff was...
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    A relative compression test can be done quickly...

    A relative compression test can be done quickly and easily with an amp clamp and a basic oscilloscope. You just map the current required by the starter to compress each cylinder. A low compression...
  7. Thread: B&A Precision

    by ewlsey
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    5,518
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    860,285

    I used the Hillman tank style skates for several...

    I used the Hillman tank style skates for several years. They work well as long as you modify them to connect the two fixed skates together so they cannot toe out as you roll. If the weight is not...
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    Eh. The chassis builders all put the "do not...

    Eh. The chassis builders all put the "do not weld" stickers on the frame rail to cover their ass. But it gets done all the time with no issue.

    I'd wager half the spread axle trailers in the US...
  9. Perhaps they are using the same control as...

    Perhaps they are using the same control as Datron.

    CNC Machining Software | CNC Tools | DATRON
  10. If you think Massey Ferguson is gouging you on...

    If you think Massey Ferguson is gouging you on parts you might want to be sitting down at the Cat dealership...

    I've worked on several Perkins engines in MF tractors and other equipment. They seem...
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    I know the Continental L head engines that were...

    I know the Continental L head engines that were used in tons and tons of forklifts were designed to run on almost any kind of fuel you like. They all have the same heads, same pistons, etc. They all...
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    Nice. Figure a tandem dump truck will weigh...

    Nice. Figure a tandem dump truck will weigh around 21,000 lbs empty. That trailer and pickup might be good for 8,000 lbs payload...
  13. I can't remember the exact setting procedure for...

    I can't remember the exact setting procedure for the gibs, but .001 at the tightest section of the travel would be a good starting point.

    I once worked on a Thompson that had a similar issue. On...
  14. Are you looking for something to connect directly...

    Are you looking for something to connect directly to the camera or are you planning to use some kind of recorder and mix the audio when post processing the video?
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    Sounds fine. When I was a kid we had an old...

    Sounds fine. When I was a kid we had an old wrecker with a winch, F700 I think, with a 292 V8. It had huge springs with overloads, but it didn't matter. Once the springs came down maybe 1.5" the hard...
  16. Canode is not water based. It's water soluble....

    Canode is not water based. It's water soluble. Adding water to it will thin it, but now it has water in it and you will not be able to leave it on any metal surface or it will cause rust.

    I have...
  17. As far as I know, all of these inks are made...

    As far as I know, all of these inks are made basically the same way. Powdered pigment is mixed with a sulfanated oil. That's it. Sulfanated oil is water washable.

    It's roughly the same process...
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    Should be fine. Just tie down well.

    Should be fine. Just tie down well.
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    I believe they reversed this decision after much...

    I believe they reversed this decision after much push back from everyone in the industry. They have also removed some of the requirement for work experience before taking the PE exam.
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    You might be surprised how many CNC machines...

    You might be surprised how many CNC machines actually run open loop or sensorless spindle drives. It doesn't seem to cause any real issues.
  21. If you have some crimping or soldering skills you...

    If you have some crimping or soldering skills you can make your own. I think with software handshaking you only actually need 3 wires.

    Every CNC machine I have seen uses a null modem where Rx and...
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    I've met many scrapers who flake everything...

    I've met many scrapers who flake everything regardless. Their method is to scrape for contact, say 75% contact. Then use the flaker to break up the contact area. The result gives you maybe 40%...
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    The wiring from the chuck to the control takes a...

    The wiring from the chuck to the control takes a beating. I have replaced many.
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    Hardinj is how I say it.

    Hardinj is how I say it.
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    I suspect the thread in the middle of the bolt...

    I suspect the thread in the middle of the bolt has no actual function requiring a thread.

    It may be as simple as helping to align the parts or the bolt itself as it's installed. Or possibly some...
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