Skyler Hitz reminds you of Back to the Future 2 “Buy a safe”

Skyler Hitz it's also so true.... I off to buy a vice

Skyler Hitz When I heard that, I said this vid is going to be good and "accurate"!!! 😂😂😂 But I hit the like button when he said store your t.w. at the lower settings to keep them nice and accurate. I like when pple know what the heeck they talking about!!

Skyler Hitz how about a couple of vices?

lol came here to see if "safe" was mentioned. lol "got a safe? nah nah you don't have a safe. GET A SAFE! Keep it locked up!"

EXCELLENT!

Use 4 milk/water jugs filled, should weight 33.36 pounds.

LOL - Awesome

It’s like calibrating a force gauge, you need at least Class F weights 😜

And that's a darn good point. Which is more accurate? The $5 scale or the $40 torque wrench? Good video, but he didn't mention that he verified the operation of the scale with something of known weight, like an exercise weight or jug of water.

Just curious, how do you use a vice that's not bolted down? Doesn't it move around/fall over when you try to use it?

TacticalBBQSauce its bolted down😞😞

tjzekes ....excellent idea

I used lugs nuts but I didn't take into account the weight of the handle.

Best? Funny! It’s so flawed it’s comical!

@@BikerGirlTraveler How would you have made it better?

@@waltp3373 keep the handle vertical to avoid the effect of the weight.

You only need to do that if you orient the handle horizontally. If you orient it vertically you don't have to worry about the handle weight, as its contribution to the torque is zero. If you want to know how to calculate the torque contribution for a horizontally oriented wrench is let me know.@@waltp3373

Stephan Martin yeah but I don’t wanna damage my tools unnecessarily..Thad why you put the damn socket on

I wouldn’t clamp the wrench, sockets are cheaper & it’s unlikely you don’t have a socket if you have a wrench. Tbh I don’t want to scuff up my sockets, so I just did it by screwing a bolt into a piece of wood, but you could also just tighten absolutely anything you don’t care about stripping the thread on. The vice isn’t really needed at all, but I guess it’s easier if you have one about

Perhaps. But is the HF within calibration over the entire scale ? And how long time does it remain so ?

@@thefreedomguyuk It was checked over the entire range and as far as how long does it remain so....that I am sure is dependent upon how much it is used. For a diy home mechanic it probably remains so for as long as I will be using it. A professional shop may be a different story but unless that shop has a yearly or semi-yearly calibration interval how does he know his "name brand" wrench is holding up to spec?

therealnightwriter, You'd be surprised. I suggested building a little rig that worked on the same principle to to verify torque settings of small hand-held torque wrenches at the Electronics assembler I worked for. It could be used to do a quick verification (or adjustment) after the torque wrenches were set to a new torque value before they were used on the production batch. When I suggested making something like this, our QA people shot the idea down pretty quick. They didn't like the idea of having a home-brewed piece of test equipment that would allow you to do a quick verification to make sure the tool was within a few percent of where it should be. Instead, our QA people (in their "infinite wisdom") decided to go buy a $10,000 torque calibrator and force our maintenance guys to adjust torque wrench settings to 0.5% accuracy at the mid-range value, once per week. The cheap torque wrenches we were using were not very linear. They had about 35% error at the extremes of their torque range, and they were being used near their extremes on some production builds. This baffled our QA people. They lived in a black and white world where stuff was either "In calibration" (good) or "Out of calibration" (bad). They couldn't get management approval to buy better quality torque wrenches, and they really didn't care about the actual accuracy of the tool, or the suitability of the calibration process; They just wanted something they could sign-off on, and tell customers, "yeah, we calibrate our torque wrenches". That place was a nightmare to work for; I'm glad that is behind me now.

That must have been a real pain. I'm sorry you had to deal with such a fiasco. The reality is that most serious companies are like this.. although the extreme of your tale is a bit much. I understand why the QA people wouldn't want a house-engineered contraption, but not because they wouldn't believe it wouldn't work, just that it would take away traceability (legal term all in its own. if you aren't sure, please research the term). Also, all standardized documents wouldn't match process. To revise all of the paperwork may have been a larger investment than to implement your genius idea. Sadly, these are one of the hurdles mankind has to stopping breakthroughs of great proportions. Best of luck to you and your ventures. Perhaps you will find a company that has less constraints on ingenuity.

I thought

@therealnightwriter You are here too, aren't you? If so obvious, why did you click the vid?

I no longer fear the torque wrench, or long for a digital torque wrench. That part is not true but thanks for lifting the fog.

I'm also a calibration technician and you are spot on. I have to laugh when I see these videos. But dickheads like this keep me in a job.

@@deseremere A torque wrench in the anus? That's a new one.... Makes me worry about the spatula at a restauant now and where it's been in the after hours of the day.

Kieran. I get calibrating precision instruments and electrical meters and so on. That is required for testing and continuity of standards and so on. But please answer me this. This is a DIY calibration on a HF torque wrench that sells for $10 or so. It's made in Taiwan and generally they make good tools and stuff comparable to Japan and over here. That's why not make it in China. It had a + - 4% accuracy that is OK for a home owner use in general. By not using the procedure you mention and perform for precision instruments how inaccurate would this be? Say on the 12" torque wrench it's out by 5 lb ft. And its corrected as shown. Would a ball park figure suffice for this scenario. Precision tool calibration is essential to confirming and keeping to standards as well as repairs and testing. But if it gets corrected to close to the 4% variance then for home owner DIY use should be acceptable. Thanx for explaining it. I have had to use the methodology you explain and its essential for AC Generator certification and testing. An out of date certified tool or meter or whatever can't be used for standards or testing due to it not being deemed accurate and over the 1 year calibration limit.

Where I work we are required to “break” the torque wrench we checkout of the tool crib using sockets welded to the wall. You set the torque wrench to its max setting and break it 3 times. Someone told me it lubricated the inside of the torque wrench, who knows. But if you are having a task evaluation by QA and forget this step it fails you from the start so I guess it’s pretty important.

@@EagleKeeper86 hey man when u break the torque wrench all you are doing is warming up the mechanism on the inside thats part of the calibration winding said wrench to 100% and cracking it five times because the first couple of times it breaks the reading can actually be to high and out of spec. Also never leave the torque wrench wound up anymore then 10% of its range you can damage the tension spring. Some times u can unwind let them rest for 24hrs and they will be fine.

Herbert Wingfield post made sense to me

It's actually ft*lbs not ft/lbs, not really sure what ft/lbs is.

That's what I intend to do.

If the wheel is horizontal, yes. If it is not, you have to compensate for the action of gravity. Gooood luck.

I like this guys approach but you have to be very careful. You are assuming that the luggage scale is perfectly accurate and transferring that to the torque wrench. It is always safer to go back to real physical weights as they will not be grossly off. In this case, use the luggage scale to lift 25 or 35 lbs of weights to make sure it was reading properly, then proceed with his method.

Gets worse, I've heard that gym weights are also kind of variable in their weight, so you'd have to double check that as well.

Gym weights are horrible. My 35lb weight weighs 30lbs. It's a Gold's Gym weight.

One gallon of water weighs about 8 pounds 6 ounces. So it's simple to use that to check your scale. Two plastic jugs with one gallon in each = 16 pounds 12 ounces, etc.

Yes, if your going to do this you'd better make sure that you have an accurate scale.

use the luggage scale to measure a known weight: a bag of flower, or something heaver. Then that that known weight to a UPS or other store that ships things. Put on that scale and compare. Easy.

Easy, weigh a known quantity on it. A weight, a product from the supermarket, etc...

The FDA requires that food goods be reported with accurate weights on the package. Take a couple of products from different makers and weigh them. This stuff is pretty simple kids. LOL

How do you know the tape measure is calibrated? maybe it says 23 inches but it's actually like 9 feet? i hate when that happens

RRMakeitlabs, excellent observation!

If it's done carefully, the result should be as accurate as the accuracy of the scale. If the scale has been calibrated with an accurately known reference weight then it should be dead on.

If you're pulling at a distance of 50cm from the handle then a 5cm offset from 90 degrees will only be ~0.5% error in this example whereas being 0.5kg off in the 'weight' or 1cm off in the handle length will be ~3%.

And the reason for this was to exercise the spring and pivot block on the type 2 click type torque wrenches. Not sure which branch you were in but if you were in the navy, then you probably followed 17-20mu-07 which specified exercising 3 times at 100% scale which conforms to ASME B107. While airforce followed their 33k procedure which conforms to ISO 6789-1, which says to exercise 3 times at 60%. This guy doesn't do any of that in this video, nor does he check it at more than 1 torque setting. There could be so many problems (spring warped, pivot block maligned, cam assembly has rusted bearings) if this wrench is not checked throughout the span.

Haha

Generally, it is sufficient. Especially if you need a torque wrench a couple of times a year. But sometimes you need it for really nasty jobs like replacing diesel glow plugs, which are difficult to access. You simply don't have the space needed for a bar and a scale at 90 degrees.

modeld80 why not!

What's the name of your employer? Make sure they don't read your post.

@@noexperiencecarguys5428 he talked about using a 286 computer. His method was used over 30 years ago. How would his current employer care today?

And how do you measure 1 litre..( there always a instrument error either way)

Cheap scales may have non-linear error. I.e. it may show 1 litre of water as 1 kg, but 2 litres as 2,1 or 1,9 kg.

Easy, plastic milk container

I calibrate my $5 luggage scales to the nearest grain.

".. and the mass of the ass."

As long as the mass of the ass and the spread of the leg remain the same...

As it comes

Sean M. Bro if you bought a hf torque wrench, it’s not better than a fucking breaker bar lmao.

Take a five-pound gym plate and pick it up with the scale. If it weighs 5lbs that luggage scale is accurate.

@@KrisH-bt5cm Actual accuracy often varies throughout a scale's total range. It might be 100% accurate at 50% of its capacity and then be off 25% at 70% of its capacity.

@@boatman222345 alright multiple weights it is!!!!

I'm a long time chemical engineer with decades of experience in Silicon Valley. I agree with you. Perfectly adequate. Easy enough to reasonably calibrate that luggage scale. But if it were me, it would depend upon what I needed to torque down. For example if something needed to be torqued on the low end of that wrench, I'd use a wrench that measured in inch-pounds and calibrate that one. I prefer to be in midrange of the tool rather than at either the very low or very high end.

NoExperienceCar Guys as a certified calibration tech I disagree with the adjustment premise, but I do agree it's adequate enough to see if you're in the ball park and only for home projects. If you're a professional in a regulated industry, this is NOT good.

I am a drunk with over 2 decades of experience and I can confirm that if I needed a torque wrench I am not touching that nut without accurate testing equipment. Ever had to do a head gasket job or pay for one? That's right, if you can't afford calibration or a new wrench you can't afford a leaking head gasket cause of a stupid torque wrench out of specs. 🤷🏻‍♂️

I'm a four times torque wrench world champion 78,79,81,82 don't ask about 80. Bad year for me. But I'd just use a beam and never have to do any of this. Ever.

Believe it or not, when it comes to torque-to-yeild head bolts, you torque then do your degrees. The problem is that at the factory, the machine does it in all one swoop. Out in the real world, every other headbolt winds up being loose. And then you have to redo the job for free in three thousand miles. So after the yield, I crank them down by hand with my " Armstrong" torque wrench. Haven't had any head gasket jobs come back in almost 20 years now.

How to calibrate a house brick with a toothbrush

Question,on that smaller torque wrench he had first, it wasn't calibrated so he took that nut off and adjusted the spring,on that bigger wrench it was already calibrated properly but if he had to take it apart how does one go about that? just unscrew the handle until it comes apart? all my torque wrenches (CDI) are that way (without a locking nut), Thank you for your time and input.

You've just kicked the car down the road to another place where the situation is arguably even worse. To do what you're saying you need to know how accurate your volumetric measure is, and how accurate you are at reading it correctly, and... since both the density of water and the volume contained by your measuring device (at a given indicated volume) vary with temperature, now you've got to know what the temperature was when you made your measurement (and worry about how accurate your thermometer is). Long story short, this is why you use calibrated weights to measure the calibration of weighing apparatus-es.

Jack Poage no. Joseph C was referring to fluid ounces. 16 fluid ounces of mercury weighs more than 13&1/2 pounds, and 16 fluid ounces of air weighs one ten thousandth as much. Household fluid measures are nowhere near as accurate as even a cheap digital scale. Typical ones I’ve grabbed from the cupboard and checked via an accurate digital scale vary by 5% or more from their claimed markings, and it’s very difficult to be consistent when measuring with them. TLDR, the point that Raevenswood raised is a valid one. To correctly calibrate a measurement device, your reference quantity and procedures need be at least as accurate as the thing you’re calibrating, and preferably very much more so. The scale and procedure that the guy is using in this video doesn’t meet those criteria. Also... hate to point out the obvious but, water is a fluid so, to use a quantity of water to calibrate a force measurement, you have to hold it in a container of some sort. To know how much the container weighs you need a scale. If you already have a scale, then messing around with volumes of water is utterly superfluous, and is just adding additional sources of uncertainty.

16oz of distilled water @62F= 1.04lb.@@jackpoage5419

Non-american laughing in SI measurements :D 1 litre of water = 1kg

Or 1 liter at 1 kilo Metric for life

Why complicate things? All you need to do is divide the inch measurement you marked on the handle by 12 inches and then multiply the answer you get by the lbs. reading you get on the scale.

jjenson2006 that's precisely what he did.

If you got the idea, it don't matter bud.

@Bob Sacamano Any unit in dimension of Torque is fine.

@@jjenson2006 The concept of physical dimension is precisely the origin of the need to convert units. You keep track of what you're doing by getting the units right. If you are trying to convert from inches*pounds to newtons*meters, you know that you need to multiply by newtons and divide by pounds at some point, which is the exact opposite from what you would do to convert from inches/pounds to meters/newtons. You can't check your process if you are using units which are flat wrong.

Usually they are, as most of its parts are electronic or electro-mechanics wich are very reliable. Besides, you can always use a well known mass to check their calibrations.

@@henryzr23 i had 25lb dumb bell laying around double checked on floor scale then tested on luggage scale. Shit its cheaper then paying for a new torque wrench or calibration. Bro tip - u can also use ur lug nuts on ur car instead of a vice, just make sure its less then would be to twist the lug nuts.

Take a thin plastic bag and fill it with a liter of water. 1 liter of water = 1kg

@@thesisko4031 great idea thank you 🙏 🔧

Pretty cool vid, good info.

Vice vs. vise, time for a bud wis er.

Know what happens to people with calibrated wrists? They strip threads especially when you screw small steel screws into aluminum castings.

@@johnc8910 I will be honest worked on all my cars for 20+ years now never had that happen but I did have that happen when a car was taken to a proper shop for a alignment they galled the threads on 5 wheel studs next time I went to rotate tires..... some time feel is best than being a professional

Yeah but it only clicks once 🤔then what😂