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Seems like the perfect opportunity to hire a firm that specializes in concrete scanning to locate the rebar. 2 hours worth of scanning and layout could save you hours of hammer drilling. Yes, your anchor layout may change but your rebar will remain intact. Be aware, core drilling isn't the...

This. 1000% Local engineer familiar with structural codes. With any luck, he/she will be of Swiss descent.

My opinion still sides with core drilling. For several reasons, all mentioned above. Cleaner look when finished. Saw cutting won't get you all the way through the slab at the corners unless you cut past the corner. No 90° corners for potential future cracks to begin from. Etc. A 24" diameter...

Concrete core drill??

Tried the potassium aluminum sulfate solution today. As stated earlier, I kept the solution and the whistle warm, 205°F in my lab oven, While I did see some effervescence, that was about all I got from 7 hours of soaking. After rinsing and cleaning, there was not much difference, all of the...

Well, it's been a few weeks, and the machine shop finished drilling out the stud, so I thought I would provide an update. Machine shop called today and wanted me take a look at things to see how I wanted to proceed. They cut the stud short, mounted the whistle in the guide and seat mill, and...

Nothing new to report on the progress of the whistle. The machine shop still has the bell, attempting to remove the stud. Still waiting for my 7/8-12 bottom tap to get delivered. Should have been here today. . but somehow is still in Kentucky. Very doubtful that this whistle is going to be...

Mission accomplished! A friend of a friend, has a friend that works as an apprentice in a CNC machine shop. His boss was awesome enough to help/teach the apprentice writing the programming and machine this piece out of 4140 for me. Bossman and the apprentice both thanked me for bringing this...

This. . Sounds like it will help preserve the existing threads in the bronze bell. . Definitely going to be googling this tonight! Thanks L.B.!

Took the whistle bell to the automotive machine shop near me today. They feel that they can properly secure the whistle bell, weld a nut onto the stud, and get the stud out with some heat and a wrench. I'm not so confident. Plan B is to drill it out. Shop says they can make the stud if...

Sorry for the confusion. This stud is for the whistle itself. . Nothing to do with a display stand. To clarify, the picture with the stud is the bottom of the whistle bell, inverted. When flipped over, that stud threads into the whistle bowl. Steam comes in from the inlet at the bottom of...

Because no thread is complete without pics. . . Here's where I'm at. . . . Have tried the repeated heat/weasel wizz routine. 4' pipe wrench. . .etc. . to remove the stud. Now looking at drilling out the existing stud. . . Without damaging the existing threads in the cast bronze. .🤞🏼🤞🏼🤞🏼...

Horse piss Weasel wizz

Odd pitch . . For my very odd hobby of collecting railroad steam whistles. I am in process of disassembling a newly acquired whistle. . And have found that the stud that holds the whistle bell to the whistle bowl, has severely chowdered threads, to the point that replacement is the easiest...

As stated, I am in search of 4" or more of 7/8-12tpi threaded rod or stud. Have searched the usual suspects on the googler, and have come up with nothing. Any suggestions before I hire this out and have it machined? Thanks in advance.

OP. . If you feel compelled to give up all your vise grips for lack of need. . . Shoot me a PM . . I'll take em.

Typically you want air entrainment for concrete that will be exposed to freeze/thaw cycles. Air entrainment allows for the expansion and contraction of the concrete under the freezing and thawing conditions. Not sure if your application will be exposed to freeze thaw, or what the general use...

I'm in!!!!!

A few pics of my solution to this problem, as I patiently wait for Mother Nature to dump 1' to 3' on the Buffalo and WNY area. I use a repurposed Weathertech cargo mat from the wife's old Explorer. Traded the truck, but kept the mat. My ritual consists of brushing off the blower...

All, Thanks for the responses!! Learning as I go. As PC suggested, I am going to research the gable end venting, rather than the soffit. I think I am leaning towards both fans having their own pitched pvc ducting. This is a decent sized project for me, in the summer, when my free time is...