30W Halogen durch LED-40W ersetzen

Hallo, ich habe am Wochenende 30 Watt-Halogenbirne in einer Deckenlampe ausgetauscht. Nun hatte ich nur LEDs mit der passenden E27-Fassung. Diese sind 5 Watt, und entsprechen 40 Watt normal. Darf ich...

read more »

Eighth-inch pipe thread puzzle

Did the standard size for one-eighth NPT threads change at some point in the past half century or so? I find myself with a few fittings that don't seem to agree with one another. In one group there's...

read more »

Export Geo from Solidworks

Our Trumpf lasers & punches work with .geo files, we need to convert sheet metal files to .geo automatically. I want to create hunders of geo files automatically. Now I can create dxf automatically...

read more »

Drzewa pekaja

bylem sobie wczoraj w gorkach w lesie. I tak doslownie na moich oczach w kilku drzewach ulamaly sie gałezie. A spora ilosc leżała juz na ziemi i drodze. Gałezie pokryte warstwą lodu ok 1cm....

read more »

Turbine Engine saftey

Is the airflow to the turbine fins so fragile and sensitive as to preclude a design that would insure proper air flow and remove the hazard of bird strikes in the air or objects and people being...

read more »

Introduction to Fluid Mechanics, Sixth Edition by William S. Janna

Hello there, I was looking for a solution of a textbook of "Introduction to Fluid Mechanics, Sixth Edition" be Williams S. Janna and test bank. Is it possible to have solution and test bank please?...

read more »

Supreme Carts , Tko Extracts , Toasties Pre rolls , Wonka Oil Cartridges , zkittlez cartridge

read more »

Rekeying a Clopay garage door lock

Can a Clopay garage door lock be rekeyed to match my kwikset locks in my home ?

read more »

Re: TIG setup for 20 gauge mild steel?

I have some previous TIG welding experience with 1/8" + material. I am now moving to 20ga sheet metal for some auto body work. Here's my question: Would it work to weld 20 ga steel with .040 tungsten...

read more »

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...

read more »

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...

read more »

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

read more »

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....

read more »

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....

read more »

Tool Holders

[PAM] If you're going to be a wise ass, so am I.... blkdrgn@thor> man pam ============================================================================ PAM(3) FreeBSD Library Functions Manual PAM(3)...

read more »

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...

read more »

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...

read more »

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...

read more »

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...

read more »

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...

read more »

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? __________________...

read more »

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...

read more »

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...

read more »

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...

read more »

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

read more »

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...

read more »

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...

read more »

Stuck Medeco lock - what to do? (2022 Update)

Oh boy. Guess what? It turned out that when I take the key out from the INNER lock, there's no problem at all with locking it from the OUTSIDE. So the graphite likely didn't do any damage! (Granted, I...

read more »

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...

read more »

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...

read more »

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

read more »

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,...

read more »

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...

read more »