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Glüh-Watt vers. LED-Watt?

Ich will meinen 150-Watt-Baustrahler (älteres Gerät mit irgendeiner länglicher Glühbirne, noch kein LED) durch einen LED-Strahler ersetzen und sehe, daß es da Geräte von ca. 40...200 Watt auf...

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Lego Dungeons and Dragons

And in another attempt to make the most out of the brand Lego now is planning to release Dungeons and Dragons sets. Which I think is interesting, because DnD really has become rather mainstream again,...

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??? Actually a STUB length carbide 1/2 in end mill ???

Actually a STUB length carbide 1/2 in end mill. I have a couple small high speed milling machines. They are not ever going to be able to handle a heavy cut with a 1/2 inch end mill, but being able to...

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Récepteur Pulsadis 175Hz

Bonjour, Certaines personnes qui changent leur compteur électrique se voient le poser en limite de propriété, sans fils de liaison à la maison pour le contact HC. Connaissez-vous des produits...

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Question about connecting battery

I am connecting a 4.8v NiCd pack to two LED lights and would like to know the difference between connecting them in two different ways. I drew a diagram here: you Am 22.11.2022 um 08:08:02 Uhr schrieb...

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DRMM auf Whatsapp

Tach zusammen, Peter Stegemann hostet mittlerweile eine DRMM-Whatsapp-Gruppe. cu, Rüdiger Moin an Rüdiger und alle Mitlesenden Wer von der alten Crew ist denn jetzt dort anwesend statt hier, weil:...

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What is Hot Short?

Its something I have read a couple times about the non-weldability of some alloys. Particularly those that have additives for better machineability like 1144. I don't know about steel alloys , but it...

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separator oleju

Powitanko, Pompa próżniowa "dymi" na wylocie. Zjawisko znane, bo są gotowe separatory. Tyle że to wygląda na zwykły filtr. Po prostu jakaś bibułka, jak się od oparów nasączy, to się ją...

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Re: Pressured Electro-slag Remelting

Dear Sir, If you are interest about this subject still. Please contact with us for your any inquiry. Kind Regards Ufuk ATEŞ ATS Metalurji from Turkey

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Have old Slaymaker combination lock - lost the combination

Hi Friends, I have an old Slaymaker combination lock from roughly the early 70s. It has a black dial with grey numerals. I have lost the tag with the combination numbers. The shackle is open and I'm...

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Hammant & Morgan Walkabout Controller

I have had two of these excellent controllers for a number of years which have given yeoman service. Recently during a layout rewire I stupidly connected a 16VAC supply to the output leads so the...

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Frequently Asked Questions All FAQs »

Convert TIG/stick to MIG?

Hey - So, I have an AHP 200DX (TIG & stick), but there are times when I wish I had a MIG machine. I seriously don't have the room for both. I understand why MIG is CV and the others are CC, but I'm...

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lathe chuck scroll lube?

The Net abounds with answers to what to use, all different, ranging from way oil to antiseize to powdered graphite. Dry molybdenum disulfide in some expensive form seems to be a preferred answer for...

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what epoxy do you use to join delrin parts?

I've got some delrin parts that need joining... what do I use to do it? I heard there was some special epoxy for joining Delrin but I don't have a name or supplier. Anyone? Thanks, Mike Dupont Delrin...

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What type of lock would use this key?

Hi, At the link below is a pic of a key that belonged to my late father. I'm wanting to learn what type of door/cabinet/safe normally uses this type of key, and any comments about the date-range....

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Best epoxy for High powered rocket building ?

I've been using the West Systems fast epoxy kit and I have been very happy with the results. Pumps, exact mixing ratio, less mess. But Giant Laep contends AeroPoxy mixed 1 to 1 is better and cheaper....

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Tool Holders

I am currently researching which tools holders would best suit my needs. The majority of what I machine is either aluminum or plastic. Typical part size would fit in your hand, although I imagine I'll...

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Tig Torch Recommendations?

Hi, I'm finally tired of having to let the air-cooled torch on my Lincoln SW-175 tig cool off. I'll build the radiator/pump for water cooling myself, but which torch are people liking these days? At...

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Mill or lathe?

This question is probably akin to: "How long is a piece of string?". However, having done as much research as I reasonably can and with no local resources to fall back upon I feel compelled to ask...

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What size plasma cutter?

I am getting a new plasma cutter. I have decided on HyperTherm ONLY. I have a Victor smoke wrench for big stuff now, and am considering this for small stuff, including some 20somethingish gauge...

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Clear coat on steel

I want to paint bare new steel with a clear coat. The metal needs to be seen in its raw state. The item will be exposed to weather. I have tried three different products so far and none lasted more...

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Marine batteries

After reading many nearly useless reviews I bought the only SLI31MDP that Batteries+Bulbs had, and then a hopefully similar/identical O'Reilly Super Start 31DCM. AFAICT they are both made by East Penn...

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120V/240V AC Output Quality Of Welders

Has anyone hooked up an oscilloscope to the AC outlets of an engine driven welder? How clean is the output? Could you run a computer, radio, television, or laser printer off it? __________________...

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Solved Issues All Solved »

Delrin and Stainless 1/4 - 20 all-thread question

Greetings All, I'm looking for a ball park, back of the envelope, best guesstimate for this situation.. :) 3/4 cube of white Delrin with a 1/4 -20 threaded hole down the middle, thru which is screwed...

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Kennedy tool box drawer felt replacement question - how to stretch felt out

I am going to put new 'felt' in the drawers of a Kennedy tool box. I would appreciate it if someone, who has done this successfully, could advise me as the these best type of glue to use? Also, are...

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lead arsenic alloy - where a person might get a single ingot or a few pounds?

I'm trying to find a source for some lead-arsenic alloy. I want to use a lead-arsenic or tin-arsenic to increase the arsenic content of the lead I want to cast into bullets. Yes, I am already aware of...

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Filling a shell

I have a rather shapely part that is shelled out .030 thick. Now, I need to create a new filler part that fills the inside volume of the shelled part. What's the best method to do this? TIA. Jay...

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Flatten Spline

I need to be able to flatten an extrusion defined by a spline. This will be used to create a manufacturing template used to construct a light reflector. The curve of the reflector is defined by a...

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Security Mfg Corp key blan k

One of my customers wanted a duplicate mailbox key but I couldn't find a blank that worked. I changed out the lock and told her when I found the right blank I'd put her's back. I don't need bitting...

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Stuck Medeco lock - what to do?

Luckily, the key isn't stuck in it. I can lock or unlock it from the inside, where there's another key. On the outside, though, I was having trouble locking it, so I sprayed it with graphite. (Well,...

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Can't remove key from re-keyed deadbolt

I'm installing new locks and deadbolts on a house. I bought Schlage locks at home Depot, they had to rekey the deadbolts, one of which is double keyed. The key slides in smooth and the deadbolt turns...

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Welding/brazing diesel engine block

I have an old log skidder which has a long (around 24 inch) crack line running most of the length of the water jacket which is cast into the block. It was repaired years ago by the previous owner with...

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Welding an engine block

Hi everyone, Have any of you had any success welding on an engine block? The engine is a Perkins diesel in a Hyster forklift. The crack is in the cooling jacket of the block. Thanks, Shawn Grind...

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Dremel spindle thread size - Imperial or Metric?

Hi, Does anyone have a Dremel multitool, and could they tell me the length/diameter/pitch of the spindle thread? It may be imperial as these things are American, and around 7mm/0.275" dia. Reason is,...

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R134a Thread size? Need to hook it up to 3/4" female NPT vacuum pump

I want to recharge the refrigerant in my auto air conditioner. I've assembled all the necessary tools except for one item. My vacuum pump is outfitted with a 3/4" female NPT fitting and the discharge...

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Categories

Featured more »

Laser cutting | I've had a variety of items laser cut in stainless ranging from 1mm to 3mm and 16swg brass. Both worked out far cheaper and easier than if I had to cut them myself when y...

Laser cutting

Has anyone had any parts laser cut? Is it expensive? I want to have some flat...

motor starndards outside NA | That said I have run across some modern motors with non standard features such as smaller than standard key which I could deal with when the motor was replaced by broachi...

motor starndards outside NA

Motors all seem to follow NEMA sizes and standards in North America. What are...

ostrzenie noza | poniedziałek, 1 sierpnia 2022 o 11:00:20 UTC-5 J.F napisał(a): Szkol ostrzenia jest milyjon i kazda prawie tak dobra jak inne. Ja ostrze na ostrzalce dwustronnej z rodzaj...

ostrzenie noza

kuchennego. Temat niedawno byl, a ja sie ciagle nie dowiedzialem - czy po...

mini backhoe | (you always need to plug the two ends together when not connected to something else) Greetings Dan, Forget the foot powered swing. To get any real work done you will need...

mini backhoe

I am trying to collect material and ideas in order to make a mini backhoe. I may...

UK users of disposable gas cylinders | I dont know if there's any UK users on here, but I would be interested to know what you do with discarded single use gas cylinders - the small ones which you buy in place...

UK users of disposable gas cylinders

I dont know if there's any UK users on here, but I would be interested to know...

WARNING: Metalworking Revisited - Deburring With Surface Conditioning Products - HARBOR FREIGHT SURPRISE | The outside edges on the other hand can't be left sharp much less have a burr on them. If I had fancier CAM software I might try to program to de-burr/chamfer by machine ...

WARNING: Metalworking Revisited - Deburring With Surface Conditioning Products - HARBOR FREIGHT SURPRISE

Off Topic Portion: The warning is for trolls like the one who replied once to...

Making Gear Cutters (Ivan Laws Book) | I've been reading Ivan Law's book on making gear cutters and he described the design and build of a

Making Gear Cutters (Ivan Laws Book)

I've been reading Ivan Law's book on making gear cutters and he described the...

Making Molds On a POS Manual Mini Mill | I sold my first injection molds made on a tiny Taig CNC milling machine. Compared to a half million dollar Haas mold maker it too was a POS. In the spirit of paying it fo...

Making Molds On a POS Manual Mini Mill

I sold my first injection molds made on a tiny Taig CNC milling machine....

Cutting Silver with a plasma cutter? | John Silver is generally marked as to content, but not always. Look for numbers, barring anything else. Coin would be 900, but several nations made silverware of even low...

Cutting Silver with a plasma cutter?

I happened to be talking to a jeweler who was working on a large piece of 10 ga...

Plasma cutter settings | (outdoors) or, I'm not holding the torch right?... or, both. If I back-off to 40 amps, it doesn't always burn through the 1/2

Plasma cutter settings

I can't help you with power settings. I'll be interested in those responses,...

R134a Thread size? | They have in-stock adapters to go from NPT pipe thread to 1/4

R134a Thread size?

I want to recharge the refrigerant in my auto air conditioner. I've assembled...

240v from 120v ? | Connect their contacts in two series circuits so each relay is switching both hot wires (one from each leg). Your 220 volt outlet won't go hot unless both relays are on, ...

240v from 120v ?

I am going to get a hypertherm powermax30 soon. It can run on 120v ac(reduced...