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Thanks Imran.. the reamer I used was an adjustable reamer.. works exactly like you described.. I had to adjust it 4 or 5 times till the desired size was achieved..

Michael, Joe, Mark and TJ, Thanks for the education. I have really not thought about this before and it is not intuitive to equate 100% of the energy, consumed to do mechanical work, to thermal loss

Randy, Well done. Looks great. What kind of reamer did you use? Ones I have seen work for thru holes with adjusting nut on the bottom. Imran

I will say, the seating of the bearing in the aluminum took a little time.? I used 4" wide x 6" long x 5/16" thick 6061 aluminum plates.? I put some green masking tape on both plates and used CA

Thanks Glen..

For me and the boom arm shown, its 107" long, extended..it hangs directly in the middle of my assembly table.? This boom arm Joel and I are doing, anyone can be make it to whatever length they

martin/campshure/co/llc mac campshure 7412 elmwood ave. middleton, wi 53562-3106 608-332-2330 cell 608-824-0023 fax airtightclamps@... airtightclamps.com Designing and building for 47 years

Is it possible you’re not taking a big enough cut? Bill Belanger

John, There is a “friction wheel”, a wheel driven by friction via a rubber tire on its rim which drives the rollers. If the rollers are not operating at full force since you say you need to push

Joe, you need to look at the exhaust cost itself. Assume you're exhausting 1200cfm (pulling in 1200 cfm of 110° air), and you want to cool this to 70° (40° delta T) The standard equation HVAC

For the mid-section of what I hope will be the super-easy-and-inexpensive-to-make-in-your-shop version, I made a quick demo of the plan for the pivot mechanism (gear will be used but omitted at this

Imran – That’s more akin to a heat sink- It messes with the temporality of the heat into the system, ie stores it and decays. A wood shop equivalent is the sawdust and the specific heat of cast

While I have absolutely nothing of value to add to this conversation as it is far over my head, I was quite amazed at the temperature change in my shop with the saw and dust collector running and an

In your water pump example, yes, some of that energy when the water is pumped up is converted to potential energy. It’s not entirely turned into heat until that water falls back down, and that

If the energy (watts) that came into the room (as electricity) isn't left in the room (as heat), then where is it? [email protected]> wrote:

I am intrigued by this conversation. In a data center I follow that energy is turning into heat. But in case of a motor I am not convinced. Imagine a well pump. There is energy stored in the water

That’s fair. One thing that is often confused is KW vs KWH. The first – kilowatts – is an instantaneous measurement. If a 3KW table saw is on for 5 seconds, it draws 3KW for the 5 seconds it’s

I think perhaps the issue then is the usual workload of a typical shop. Although in an it system things are, I imagine, a bit more stable in terms of draw and power use, that is not the case for most

Randy, That is a very impressive build, It looks very well thought out and assembled. Where I don't see the need for one in my situation, When you list the build, and parts I might just give it a try

I think you just said mostly what I did – that the energy turns into heat, just not entirely in the motor itself. 8KW of electricity into a room turns into 27,000 of BTU in that room, either