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  1. Michael, The Etap 26 has a retractable bulb keel...

    Michael,
    The Etap 26 has a retractable bulb keel so it draws 2-1/2 ft to 5 ft. Unfortunately it has been on the hard for 13 years as life intervened. Hoping to finally launch this April.
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    Climb milling or conventional? The only heavy...

    Climb milling or conventional? The only heavy stainless milling I have done was with rougher and I was impressed how smoothly it ran I suspect the grooves in a rougher stabilize the cutter as well as...
  3. I can't stop drooling. An aluminum sailboat has...

    I can't stop drooling. An aluminum sailboat has been my dream forever, I hate fiberglass. However my current boat is an Etap 26. Etap was an aluminum extruder before building boats so all the...
  4. The Goodyear hose is likely EPDM or Nitrile. If...

    The Goodyear hose is likely EPDM or Nitrile. If it doesn't like oil it is EPDM. The transparent blue stuff is urethane and yes it holds a curl very badly. The old blue hose that gets stiff in the...
  5. I was managing the family electrical business in...

    I was managing the family electrical business in the recession in the late 70s. We had a great reputation, a very efficient operation, and at the bottom I had to cut everyone back to 40 hrs from our...
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    An update on the drilling machine automation. ...

    An update on the drilling machine automation. Going slow only because of having almost no help and the need for me to keep a whole lot of china junk machines and worn out machines running so product...
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    What is the cost of this system? Looks very good...

    What is the cost of this system? Looks very good and those guys have been around for a really long time.
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    Damn this thread makes me feel really good about...

    Damn this thread makes me feel really good about my homebuilt CNC! The base is a precision scraped cast iron surface plate with 5" ribbing and weighs 225 lbs. The 3 axis are all the same 18" travel...
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    A very short stroke on a linear ball bearing is...

    A very short stroke on a linear ball bearing is bad for the bearing and is warned about in THK literature. This is because the balls won’t roll far enough and recirculate which evens out the wear...
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    I needed a special 10-3/4” lip seal and decided...

    I needed a special 10-3/4” lip seal and decided to prototype it in polyurethane. I turned a mold in HDPE and poured the first one. We made about 5 versions, not because of casting problems, except...
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    The blade in the picture is too fine for a 1" x...

    The blade in the picture is too fine for a 1" x 2" piece of steel. When a cold saw cuts the chip rolls up in the gullet between the teeth. If there is not enough room the chip jams and welds to the...
  12. CamBam, 40 free sessions (like all day per...

    CamBam, 40 free sessions (like all day per session) then $149. Yeah its considered a hobby level program. Very easy to use and quite capable.
  13. I got fired at the end of last year, and found a...

    I got fired at the end of last year, and found a new job that I started on January 20 2020. I went from about 60 hours a week, out of town 2 to 3 nights every week, sometimes out at jobsites for...
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    Look at Banjo for the parts you need.

    Look at Banjo for the parts you need.
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    6-32 worse combination of diameter and pitch...

    6-32 worse combination of diameter and pitch makes them so easy to break.
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    I bought the first set of 18v Dewalt tools after...

    I bought the first set of 18v Dewalt tools after spending hours looking at different brands. Back then the deciding factor was the same as always for me, how good is the chuck? The Dewalt I bought...
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    Couple weeks ago there was yard sale down the...

    Couple weeks ago there was yard sale down the block. Guy had an old Craftsman all cast iron 6”x 48” belt sander on a large wooden table. Just curious I asked how much. $5! Has almost no wear on the...
  18. I’d automate the doors first, a human operator...

    I’d automate the doors first, a human operator would appreciate that. Then the robot will be simpler to program and be more efficient too.
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    If you want the torque of the 1.5 hp motor at...

    If you want the torque of the 1.5 hp motor at half the speed just replace it with a 3hp and a 3 hp VFD. At half speed you still have 1.5 hp. I have even replaced a 3/4 hp motor with a 3 hp on a VFD...
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    Become a mentor for a FIRST Robotics team in your...

    Become a mentor for a FIRST Robotics team in your area. There are more than 7500 teams in high schools. My grandson joined the team, I joined as a mentor. Last two seasons I taught SolidWorks and I...
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    I tried to get my neighbor go 50/50 on a...

    I tried to get my neighbor go 50/50 on a snowblower, and I would even let him keep it in his garage. He bought his own, and I had to as well.
  22. I have done implementations of AllOrders at two...

    I have done implementations of AllOrders at two previous employers and we were pleased with the results. At the second place we were able to export BOMs and subassemblies through a custom Excel macro...
  23. Not Trump, Elon Musk and SpaceX. You are going...

    Not Trump, Elon Musk and SpaceX. You are going to want to land there and lift off again. Only SpaceX is practicing those landings until they they are perfect, under the worse conditions, earth...
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    A lost foam aluminum casting would likely be the...

    A lost foam aluminum casting would likely be the lowest cost for a one off part. You make it in pieces and glue the pieces together then one dip coat, bury in sand and pour. I have a home foundry...
  25. My favorite way of reducing purchased part size...

    My favorite way of reducing purchased part size is opening it in Rhino 3D which doesn't give a crap about how the surfaces were created and then I delete not only all the internal components but even...
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