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I've a 1T arbor press I use for light stamping operations in my shop. Need to get a larger work bed as my model only has 4" depth. A 3T has 6" depth which meets needs.

As I look at these they just get taller and heavier. Are 3T versions easier to use in general than a 1T? Less force required? As is, I've replaced my 1T handle with a 24" rod to increase my leverage...
6 replies and 1 images submitted. Click here to view.
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I guess what I'm trying to figure out is if these things are even capable of advertised pressure. 1T through 3T use 20:1 ratio for gearing. Implies 3T would have 3x the lever length of a 1T... Which is definitely not the case.
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we have 2 at work, a big one and a small one (looks like one in pic)

i fucking hate the small one, idk the tonnage rating, but probably 1t and 3t
the bigger one has a longer handle, but like, the whole arbor press is scaled up for the bigger one, so everything is bigger, but i dont think it has 3x longer
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>>960182
I have that thing. Err, had. The shitty circle thing that holds your shit cracked. I used it to push pins into things. Ended up having to use a hammer which defeats it's purpose.

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My dear Anons, i am having some trouble to find plans for a gas forge burner that dont use blowers. If youg uys help me out would be really awesome!!! Pic Related.
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The only way to make a furnace that doesn't use blowers is to take advantage of convection or whatever it's called... heat rising out of your furnace causing fresh air to be pulled in.

I might be stupid and wrong, I'm kinda just pulling this out of my ass lol

The advantage to using blowers is you can seal heat inside your furnace, letting it reach higher temps and be more efficient.
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>>960153
https://www.youtube.com/watch?v=uIRTcmR6sSk
this is a good one for a gas one
https://www.youtube.com/watch?v=hHD10DjxM1g
coal one
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>>960692
this one is also cheap

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Well...
I'll start off by saying I don't have high expectations for this thread, but I figured it's worth a shot. I recently bought a m68hc11pfb with a 68hc11e20em (the 2 combined are also known as the m68hc11evs) emulator board from a surplus auction. I have experience with, and have been able to find a good amount of documentation for the m68hc11e20 emulator board. I can't find the slightest hint of information for the hc11e20em variant. The boards look very similar but have noticeable differences. Notably the flex cable for the hc11e20 is not compatable with the hc11e20em. I'm starting to think what I've bought is some kind of prototype for the hc11e20. Does anyone have a clue what I've stumble across here? More importantly, does anyone know if it will be compatable with software for the hc11e20 model?

inb4 try it yourself. I'm waiting on usb to db25 cable to arrive in the mail.
Pic is the hc11e20 model.
49 replies and 10 images submitted. Click here to view.
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>>960028
Whats it do?
>>
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This is a pic of the e20em variant.
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>>960030
It allows you to program, test, and troubleshoot the motorola 68hc11e20 microcontroller.

This pic is what happens when I try to use the e20 ribbon cable for the e20em variant. It's possible the only difference is the pin out, but I just don't have that kind of luck.

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Hello I am looking to make a vacuum sealed crucible able to withstand 1000 degrees celsius
I have no idea how to do this and any help would be nice
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>>959909
Bump, would an airtight crucible even be possible though?
>>
Yeah I don't even know. am trying to create a super conductor using YBCO with out paying a ton of money
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I assume you don't want oxygen fucking with your shit?

Just flush the oxygen out with a gas that's not corrosive but heavier or lighter than oxygen.

That would be much easier, cheaper, and more realistic.

You would basically build either a box open at the top or the bottom, and activate the flush and you'd be fine.

What about baking powder and vinegar lol I can't recall what that makes or if it's heavier or lighter than oxygen.


If you're wanting another benefit like requiring less heat to melt whatever you're...
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Looking into building my own fermentors for homebrewing beer.

I'm looking at building picture related - basically a stainless steel brewing bucket.

How would I best fabricate the lid?

Should I purchase a stock pot that has a lid you can purchase with it, and just install a gasket and clamps?

Is there a way to fashion a lid like they've made here?
7 replies and 6 images submitted. Click here to view.
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Some other pics of the top.
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>>959898
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Check out this thread - all kinds of people using (food grade) agricultural tanks into conical fermenters. I bought one for about $50 and it works great. http://www.homebrewtalk.com/f51/super-simple-15g-plastic-conical-276378/

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Does /diy/ like terrariums?
14 replies and 3 images submitted. Click here to view.
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>>959797
I like them but have never made one
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>>959801
I made this one in around 10 minutes because i wanted somthing green in my weeb battlestation, wrapped some pebbles in a bit of napkin, did the same for the roots of the plant (just a weed from my yard), stacked them on top of each other in the lid of the mason jar, added a bit of water, and then sealed it up.
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>>959797
I've tried doing the light bulb terrariums but it's fallen flat but I've half-assed it
always wanted one though

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How can we invent new stuff if every thing is already invented? i was just thinking about an invention and when i googled it some one else already tought of it a few months ago.

is it even safe to look for it at google? maybe they have an algorithm that can predict inventions based on searching patterns or something and they invet it first.

am i being paranoid or just plain stupid?
11 replies and 1 images submitted. Click here to view.
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Loads of inventions were made simultaneously by different people but lack of instant communication kept them from knowing about each other

It's not so much about inventing stuff but marketing it right if you want to be successful and making your product better than any other competitors
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>>959679
Patents only last 10 years compared to copyright's 110
>>
You just dont look for an invention. They're found creating something else, something bigger. You'll need a function, a mechanism, some special process which you wont find. Here is your Invention

>>959690
Wrong

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I have a swamp cooler where the pump will only function if i suck on the hose first, then it will work fine. Does anyone know why it wouldn't be able to start pumping itself. i don't think its airlocked because the pump is under the cooler and the cooler fills each time its started.
Any ideas?
6 replies and 1 images submitted. Click here to view.
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>>959374
Might be that the capacitor to the pump motor is shot and you have to get it spinning before it will start on its own. Pull the fucker out and see if it will turn when under no load. If not, and it starts spinning if you help it a bit then its probably a bad cap or centrifugal switch.
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>>959449
Thanks i'll give that a try
>>
Is there any damaged seals on the impeller housing? The smallest leak to allow any air admittance will stop the pump from priming itself.

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Anyone here do wood carving? Also wood working general I guess, share pics
>Just bought a simple 6 cinzels (idk if thats the right name) kit, wanna start doing it this weekend.
>pic unrelated for comfyness
3 replies and 1 images submitted. Click here to view.
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>>959303
Whittling spoons. Aiming for a kuksa, cant find decent birch tho.. And you probably mean you bought "chisels"
>>
>>959303
See
>>960975

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Hey guys, can someone tell me what this is, it's looks like some kind of clutch, but hooking it to a 24V supply did nothing.
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Another pic
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Stationary field clutch. Pretty worthless.
>>
Thanks for the answer. At least I knew what it is.

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What are the best,cheapest stud finders? The magnets sound good but do they tell you where the stub starts and ends?
12 replies and 3 images submitted. Click here to view.
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That one you posted, on both counts. The magnet sticks to drywall screws. Find 2-3 screws, draw a line, bam, stud found.

it doesn't tell you anything about the stud itself, just where the screws are, so you'll have to use your brain a bit. But it's only 5 bucks and works better then anything short of thermal imaging, so I'll take it.
>>
>>958613
Lefty and Righty are your cheapest stud finder when it comes to drywall.
>>
the best and not cheap and the cheap are not the best....don't waste more money on something you're never going to use

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hey diy/
ive tried removing this wart i have on my thumb with no luck. i've tried many of the diy methods but nothing is working.
recently i got this spray from the drugstore. which freezes the wart. which has seemed to have an effect. the only thing is that its way too expensive.

cant i just use propane/butane? isnt that pretty cold in compressed form(on a can) i dont know if its liquid or not.

anyone else has any experience, advice or any advice it would be appreciated!

>TL;DR can i remove a wart with this (propane/butane 25/75%
34 replies and 4 images submitted. Click here to view.
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File: warts1.jpg (40 KB, 342x198) Image search: [iqdb] [SauceNao] [Google]
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also this is what it looks like
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>>958497
or let me refrase. is there something colder than this, which one can buy at a convenient store?

>inb4 L.Nitrogen. i cant get that in my country
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>>958513
Just wrap it in duct tape 24/7.

Or buy a bottle of butane for lighter refilling, it costs a fraction of the price of butane for wart removal.

But seriously, oxygen occlusion therapy works

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So I know you guys are into this so I'm beggin for help.

Me and my step son's dad found some common ground and he bought his son an Aurdino kit and I promised to help him use it. I'm well versed in electrical math and wiring, but I'm not well versed in using an surfing product.

I want to teach him the basics of electoral engineering, but I don't understand this fully. He is 11, but very smart. I have a strong understanding of math and the equations related to the power wheel.

I just need tips on how to teach him. I'm good with...
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29 replies and 7 images submitted. Click here to view.
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This might be a stupid advice, but have you thought about just googling "Arduino projects" and looking to see which ones you find interesting and believe would be of good value to do with him? Then just do the project and teach him along the way.
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>>958461
The kit came with a book, but Even the first circuit didn't work. I'll Google it, but I want his first project to be a succes.
>>
>>958459
>good with PLCs
>barely do basic programming
does not compute
I mean, if you can handle logic gates why couldn't you handle anything else?

Maybe you should try Verilog and an FPGA instead, it might be more up your alley.

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rc general. planes boats multirotors, (quadcopter) helis all taht good stuff.

i bought 1 month membership for ecalc multirotor (http://www.ecalc.ch/xcoptercalc.php), if anyone wants me to do some numbers just post them here.
132 replies and 27 images submitted. Click here to view.
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>>938047
I'm not sure what that site is, but you probably got scammed.
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>>938209
i dont think so, i believe its a database with a lot of different parts and it just does a lot of calculations.

pic related is my upcoming setup, includes GLB 3 axis gimbal but im not sure on the ESC's yet.
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i want to do a quadcopter. Nothing big, a simple not to expensive quadcopter. I have 3D printer so i cen design and print frame parts, but i have no idea about electronics. What is good what is not? What goes together, what i need. So is there any good sites or guides for beginners? An open source community like raprap?

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How would I go about doing something like in the picture? Silliness of it aside, I think it looks neat and would be fun to implement. I don't know how to properly search for the parts I need because I don't know what the peices are called.

Thanks in advance.
51 replies and 10 images submitted. Click here to view.
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>>960796
Waterblocks
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>>960796
This is how i would go about it:
>Look for an online shop for industrial stuff which does sell to normal customers aswell.
>Buy tubing ( with noteably small width of the walls ) and then look for tube connectors for the same diameter.
>choose connectors which are cheep and copper or stainless steel.
>Try to find something made out of copper as a endpiece for cooling, or get a block (size as the...
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>>
I appreciate the input! I just hope the seals stay tight, I've heard bad things about custom water cooling solutions leaking. What do I do about the pump/radiator thing that cools the water?

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