MythBusting with Casey!

Рет қаралды 83,194

Жыл бұрын

An age old long battled debate in the towing industry is whether or not towing something on the sling allows you to tow more weight since the ram pushes down ahead of the rear axle. The same goes for whether or not an integrated wrecker tows better than an independent wrecker since it’s wheel lift is hooked to its boom. So I took my truck to the scales with my Jeep on the back to settle the debate once and for all.
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Пікірлер: 518

@CaseyLaDelle Жыл бұрын

So why didn’t I weigh the front axle?? It’s very simple. If the rear axle weight doesn’t change, it’s flat out impossible for the front axle weight to change. The simple fact is that all the “experts” who tell people that they can tow more weight by using the sling are give flat out incorrect and dangerous advice, so it would be best if they simply shut up.

@jonwetherell5214 Жыл бұрын

Why do I always fall for this click bait? 😁I am looking at lever length around the back axle as a pivot v the weight that is « going down » the crane arm and acting in the opposite direction. Load up one way..drive on and weigh the front wheels, back wheels and then the jeep..It is impossible for the sum of all three to change but front to rear axle can.

@ChannelJanis Жыл бұрын

"Expert": But this test is flawed! Test must be done at the same time, air humidity, pressure, temperature, location and moon phase. All these variables can cause differences in measurements and it does not help that you are towing a Jeep with no black ice air freshener. By the way, this was a joke for those who did not understand it.

@bluegrallis Жыл бұрын

@@ChannelJanis Yabut, some will still believe a difference in "moon phase", or humidity , will make a big difference because they read it on the internet. 🤣

@hollandduck79 Жыл бұрын

Sorry I didn't see your comment when I was making mine with Google Translate haha

@TimTheTowman Жыл бұрын

My favorite wheel lift myth "You shouldn't tow long distance behind a wheel lift. That causes rock chips and broken windshields "

@johnguilfoyle3073 Жыл бұрын

So... this month we've had a roll in the hay, taken a daddy/daughter road trip, a solar canoe ride, treasure hunting with an underwater drone, and now it's a Lever Physics lesson with Casey. I came here from Matt's Off Road Recovery and Rory's Irish and Trail Mater. This channel is always a welcome surprise to just another recovery video. Keep up the good work.

@johnnyadams1755 Жыл бұрын

It's all about weight transfer, and some will never get it. Armchair experts will argue about your 50-800lbs differences. I don't care what kind of boom, sling or lift you design the same distance between axle and lift point will torque (weigh) equally. P.S. weight doesn't change unless you add or take away something. Load moment is the effect you are seeing on the scale.

@ateamoffroad1179 Жыл бұрын

I love how you always go out and prove the debates of the towing industry. And you will go out of your way to show it. Great video

@RealJeep Жыл бұрын

One of the greatest mysteries to me was when I pulled my 7,000-pound camper. I would set the weight distributing hitch up to move the weight to the front axle of my tow rig. I'm pretty mechanically inclined but that always baffled me. I'm sure the guys who designed those wreckers knew what they were doing, maybe not as brilliant as Internet experts but smart none the less.

@SeanONeill13 Жыл бұрын

The torque bars are angled so lifting up on the rear, flat part, applies a twisting torque to the hitch head, causing more twisting force forcing the front end down. It works best with a framed vehicle vs a unibody.

@MudOilnGears Жыл бұрын

What a weight distribution hitch does is remove some of the vertical articulation from the hitch point. In essence it uses tongue weight to pull down the front axle. It is a completely different scenario that this video.

@mrmongo6722 Жыл бұрын

I like the fact that you are so compassionate about your job. There are way to many keyboard warriors out there spreading way to much BS.

@calholli Жыл бұрын

So there are two factors when maximizing your weight capacity: Get the weight as close to your rear axle as you can; and get your lift point the furthest away from the front axle on the vehicle being towed. interesting. I learned a lot here, great demonstration... and it does make a lot of sense... You are shortening the lever hanging out the back of your truck as much as you can, while lengthening the class two lever of the vehicle being towed. People don't seem to understand that the weight on the boom is still putting most, if not all it's weight on the rear axle.. If you were to cut your truck in half right in front of the boom -- and tried to lift something, the entire bed would rotate backwards when trying to lift something, because the weight wants to sit on the rear axle--- This is why you will actually pop wheelies if your load is too heavy-- because it is NOT putting weight on the front wheels. The entire front of the truck is acting as ballast and keeping the truck from flipping over backwards. The same way you stack heavy steel weights on the back of a skytrack telescoping fork lift. Because even though the forklift boom mounts way at the rear of the tractor, lifting a load still rotates all the weight onto the front wheels. (which is exactly what is happening at the rear of a tow truck -- the weight all rotates towards the rear wheels).

@jonwetherell5214 Жыл бұрын

Lifting the jeep higher puts more weight on the jeep back tyres and less on the lifting arm…but the jeep still weighs the same to tow. …I think😁

@georgesprangers2395 Жыл бұрын

I think I can see what the "experts" were thinking. They thought it was the same as the gooseneck vs bumper hitch weight shift. They didn't take into account the leverage and direction of weight transfer on a tow bed. Great video as usual Casey and excellent demonstration.

@dangerrangerlstc Жыл бұрын

I can kind of see that too. The other thing they're missing is the boom is also pulling up on the anchor pivot pins ahead of that ram. A gooseneck trailer is not pulling up on any part of the truck.

@richardguse3410 Жыл бұрын

Thanks for the weight demonstration. I'm a bit of a nerd when it comes to headlights, and I hope "one day" comes soon for your sake.

@richellen6855 Жыл бұрын

Couldn't you just sense the eyes of all the armchair towing masters glazing over when you started throwing real physics at them? Great video, Casey!!

@donwilliams3626 Жыл бұрын

Nice physics lesson. We want to thank our Professor of Recoveries for delivering our lesson for the day. Knowledge is King

@dougdean3134 Жыл бұрын

Great practical demonstration of physics. Love your passion!

@donaldmarty8445 Жыл бұрын

As a mechanical engineer, I can say that you are absolutely right, Casey! Good for you and nice video!

@tda2806 Жыл бұрын

It's nice to learn something new everyday. 😁

@MrSparks54 Жыл бұрын

I towed in the 70s and 80s when I worked at an automotive shop. I couldn't tell much difference in weight distribution between sling and wheel lift and certainly never worried about it.

@jonwetherell5214 Жыл бұрын

I think a well designed rig will do just that..But there are definitely some bad designs out there

@andrewsnow7386 Жыл бұрын

Impressive understanding of the physics. You had me re-thinking the lift point on the Jeep for a second. If you are interested, here's what I came up with. Note this is only a rough approximation -- not only because I'm guessing at the numbers, but also because the front axle is located back from the front of the vehicle and the and the center of gravity of the Jeep is probably not at the half way point. Anyway, say your Jeep is 160 inches long and weighs 4000 pounds. If you could extend the wheel lift to just the middle of the jeep, you could pick up the whole Jeep (all 4000 pounds). When you lift the back of the Jeep with the sling, you are lifting right at the very end of the jeep so you are picking up around 50% of the weight (2000 pounds). If the Jeep is 160 inches long, the mid point is at 80 inches. So moving the lift point 80 inches changes the lifting load by 2000 pounds. Dividing 2000 lbs by 80 in gives 25 lbs per inch. Surprise, surprise, this roughly agrees with your experimental results at 5:57 where the block was around 2 inches forward and the weight on the truck was 50 lbs more.

@Wannes_ Жыл бұрын

Somebody gets it now the tough part: convince Casey

@andrewsnow7386 Жыл бұрын

@@Wannes_ Um, did you think I was being sarcastic? I wasn't. Are you being sarcastic? I'm not sure. In any case, to be clear, Casey explained it very well. I agree with him 100%. I was just adding some numbers to his observations.

@hondaman08 Жыл бұрын

@@andrewsnow7386 and 25lb/inch when adjusted to the axle pick he did first at ~18" further under the jeep (~37" tire dia / 2) = ~450# extra weight lifted, the effect of which would be larger since the moment arm length acting on the truck end increased by that same distance as well. Hence, this is seen in the increased rear axle weight of ~800# in his first measurement. Unfortunately, the inclusion of the first wheel lift(axle) numbers at the beginning is throwing everyone off and has riled up all the dissenters. Since that setup is not an apples to apples comparison to his original point of wheel lift vs sling and which attachment method transfers weight "better"; those without an established understanding of the physics in play are arguing over the 800# difference. "But where did the 800# go....?" Another way to explain could have been to have the Jeep sling towed on the first weigh in and then lifted with the wheel lift at bumper secondly. Numbers would have been the same as shown in the video, proving the point that the attachment method is irrelevant. Although I'm sure some would still argue that without the front weight numbers, they are not convinced. However, as pointed out in the comments already and Casey's second video, if the rear bumper is lifted to the same height each time then the Jeep front axle has to weigh the same. (Same Jeep Axle + Same Tow Truck Rear = Same Tow Truck Front) --> which also equals no difference in weight transfer based on lifting method - his original point Also seems that the debate evolved a bit from, "The sling places more front axle weight due to the ram/boom being attached ahead of the rear axle" to a more generic "wheel lift(axle) vs sling lift" debate in the comments. This is not an apples to apples comparison though when compared in their typical usage & the different lift point (axle vs bumper) is not taken into account. Some arguing for "sling tows more" are forgetting that the wheel lift(axle) has to pick up much more weight (being under vs at the end) and at a farther distance from the tow vehicle as well. While the mode of attachment has no bearing on the weight the rear axle sees (at the same distance), I would argue that a heavier vehicle could be pulled by the tow truck using the sling or wheel lift attached at the bumper vs attempting to lift the same vehicle by the wheels. So in a way, all of those arguing "sling tows more" are inadvertently correct, but not for the reasons they think.

@garybarry4446 Жыл бұрын

Thank you Casey for helping those who were not sure

@nickl.4075 Жыл бұрын

Love the videos Casey, keep them coming Bud! Maybe a full truck tour soon? Love to see how you set up your boxes.

@ginaallen3797 Жыл бұрын

I love my times learning with Casey. You approach things in a very similar way that i have my entire life. Thank you for sharing knowledge that is fun and useful. I appreciate you. Hope the clean up has more people than they know what to do with. Peace Out.

@jerrystoos6930 Жыл бұрын

great job, very interesting. thanks for explaining!

@21psd Жыл бұрын

You're absolutely right, great demonstration. It has everything to do with fulcrum point (rear axle) distance to the pick point of what's being lifted.

@davidmcdaniel2615 Жыл бұрын

Fun with Physics! Thanks for the edumacation Casey. 👍

@gayle4804 Жыл бұрын

Great information for anybody in the towing Business

@michaeldunn150 Жыл бұрын

Awesome info Casey..... didn't know anything about towing with a tow truck. Thanks for sharing!

@georgenicholai6089 Жыл бұрын

I like watching your videos. They’re not a waste of time like a lot of other stuff on you tube.

@sandralutz-rodriguez2864 Жыл бұрын

that was so rad Casey! I like how you explain stuff, makes total sense to me. Can't help this round but coming out to help on a future cleanup is on my radar! Keep up the rad videos Casey! Such a rad channel!

@edgarrogers3706 Жыл бұрын

Great video, keep them comeing, you are the man.

@pmae9010 Жыл бұрын

I love the lessons, keep teaching.

@tedfisk1211 Жыл бұрын

Very interesting video. For those of us that know squat about the subject, your research is very good.

@calholli Жыл бұрын

I agree with you.. People don't seem to understand that the weight on the boom is still putting most, if not all it's weight on the rear axle.. If you were to cut your truck in half right in front of the boom -- and tried to lift something, the entire bed would rotate backwards when trying to lift something, because the weight wants to sit on the rear axle--- This is why you will actually pop wheelies if your load is too heavy-- because it is NOT putting weight on the front wheels. The entire front of the truck is acting as ballast and keeping the truck from flipping over backwards. The same way you stack heavy steel weights on the back of a skytrack telescoping fork lift. Because even though the forklift boom mounts way at the rear of the tractor, lifting a load still rotates all the weight onto the front wheels. (which is exactly what is happening at the rear of a tow truck -- the weight all rotates towards the rear wheels).

@rustywranglesarizona4310 Жыл бұрын

Really good info Casey, having recently acquired a couple of square body wreckers for our new tow operation, this was cool to see.

@BrainsofFrank Жыл бұрын

My dad was a tow truck driver for 10 years. He always told me that it doesn't matter wether it's a wheel lift or a sling. All the sling is really there to do is to haul a wrecked up vehicle that either can't get into the wheel lift or is way too broken to be hauled via wheel lift.

@robbailey1527 Жыл бұрын

Nice practical application of physics. Structural engineer here. I enjoyed and 99.99% agree with your argument. The weight on the rear axle from the lifted load is a function of the lifted weight and the perpendicular (or horizontal in this case) distance of the lifted weight from the center of the axle. Love the videos and your desire to stamp out ignorance and never stop learning! Keep it up, buddy!

@rayrussell6064 Жыл бұрын

Back in the 70s through to the 90s where I worked had 2 wreckers a sling and a wheel lift there was many times I had to tow the same vehicle twice and not always with the same wrecker and from what I could tell there was no difference so personally as long as you get the job done safely what difference does it matter and from what I've seen in Casey's videos he hasn't done anything wrong or over loaded the wrecker, weight transfer is exactly what it is period. Casey loved how you demonstrated weight transfer and loading in the exact same spot gives you the same numbers but keyboard warriors are going to be keyboard warriors. Awesome job Casey and as always be safe 👍

@lastone2074 Жыл бұрын

After years of towing I agree with you Casey 💯%.Thanks for all your post 4 the people🏆

@EatCarbs Жыл бұрын

Interesting Thanks for the video

@samellis4054 Жыл бұрын

Thanks for the comparison and I never really thought of it like it. I honestly trust you

@cougar_mountain Жыл бұрын

I have the same issue with my headlights on my 2001. Looks about the same on camera. The former owner of our wrecker broke the sling some how, so I don't have one at this time. I only have used them for convenance. If a car or truck has a missing wheel or was too far back for my wheel lift, or so damaged that it doesn't matter. Good visuals. Makes it easier to understand.

@outdoorfrenzy Жыл бұрын

I liked learning this, but the most impressive thing is you can use scales after hours to check your rig weight.

@cabcabs Жыл бұрын

A dear friend of mine had a towing company and salvage yard. He taught me EXACTLY what you said in this video. Plus LOGICAL THINKING also says that weight just in front, on OR behind the rear axle will put weight ON the rear axle and NOT on the front like the "WANNA BE TOW OPERATORS" state. I have helped load both sling tow trucks(like yours Casey) and recovery bed trucks. Both are TOTALLY different for loading and for weight distribution.

@henrycarlson7514 Жыл бұрын

Interesting , Thank You .

@natester1064 Жыл бұрын

That was pretty cool Casey thanks for the Lesson.

@garrydurfey9700 Жыл бұрын

I like this stuff too. Thanks for sharing

@richardthomas1743 Жыл бұрын

Those Ford headlamps on that model truck were beyond horrible. I swear that a flashlight shines further and brighter. Maybe a sponsor will send you some to give a review on!. Thanks and have a good day Casey 👍

@L3Dhelpguide Жыл бұрын

I really wish you took front axle weights from truck in each configuration to show its effect on steering tire loads. Which to me is the most important part of this debate. And i appreciate your taking this on. Its important.

@L3Dhelpguide Жыл бұрын

The argument for that is the rear axle is the pivot, so its load will barely change as you move the towed vehicle further from the axle. But the weight seen at other end of the lever, ie front axle will change significantly more as you change the length of your lever arm.......

@CaseyLaDelle Жыл бұрын

You are 100% wrong. If the front axle gets lighter, something else has to get heavier. And that something else would be the rear axle, which didn't change in weight

@jimbeckettplay Жыл бұрын

@@CaseyLaDelle It should be split between the towed vehicles axle and the rear axle of the tow truck. As light as I imagine the rear of your jeep to be, I don't think the roadside scale is likely to be able to show the difference on your rear axle. Measuring the weights of all three axles would have provided definite proof either way.

@philipoakley5498 Жыл бұрын

Absolutely! same two axles with same loads!

@markwilde2391 Жыл бұрын

I like your style. No BS.

@QSL. Жыл бұрын

Thanks, awesome

@davep4610 Жыл бұрын

Great video !!

@StevesDIYGarage Жыл бұрын

Great video! You are totally correct. Next you can really confuse some people by asking what happens when you are moving down the road and apply the brakes on your truck. Weight up high above your rear axle will add more weight to your front wheels while braking.....more food for thought....

@Eddie07S Жыл бұрын

8:30 Truck-lite head lights. Got the heated ones for my Jeep. There is a great KZfaq review of them and others. These were one of the best and recommended. The “failed” ones got taken to a skeet shooting range... entertaining. I got heated ones as I live in snow country and didn’t want to have to scrape them off.

@MacBailey Жыл бұрын

Like you said, pretty basic physics with a bit of civil engineering thrown in. Good old triangle supports and lever arms. An interesting test would be to show that the further away from the tow truck the more weight is transferred to your tow truck, and less to the front wheels. Put the front wheels only on the scale and extend the wheel lit out to show the difference in weight on the front steering wheels of your tow truck, and also do the same thing with all four wheels of the tow truck on the scale.

@Fasttowpro Жыл бұрын

I had to put fog lights in place of my headlights don't feel bad lol good informative video I'm still struggling with the ideal but I have lots to learn keep it coming 🙌🏿

@100mpgus Жыл бұрын

The way to measure if the weight is spread out more over the truck is to weigh the front axle, both while lift both ways. That will tell you if there is more or less weight on the front. More weight means it is spread out more, less weight means it is heavier on the rear axle. You are also towing a JEEP from the rear which has about 6 inches past the rear tire. if you are towing a car the towed vehicle would have to be much further away for the car to clear the tow truck in the turns.

@kd7qlg Жыл бұрын

Good job Casey like your videos. God bless you and your family all the time.

@jeffclark2725 Жыл бұрын

Great video, will admit im not a tow truck driver operator, it all makes sense, just like when you had to put in the fame braces on the black truck and was mentioning all the why and what for, it makes sense

@deldickerson8749 Жыл бұрын

The higher you lift the rear end of the jeep the more weight you transfer to the front wheels of the jeep. Weighing all three axles simultaneously while keeping jeep angle the same with both lifts is the only way to know the difference.

@aldenbackensto3858 Жыл бұрын

As a former tow operator I get what you are saying because when I did tow it was with a truck just like yours and you're absolutely correct

@fast_richard Жыл бұрын

I see your point about the weight being the same whether lifting at the bumper with the sling or lifting at the bumper with the wheel lift. I had to think a little about the problem before I understood the heavier weight when lifting at the wheels with the wheel lift. What I came up with was that, when lifting at the wheels rather than at the bumper, you are lifting more of the towed vehicle's weight. You are taking more weight off the wheels of the towed vehicle that are still on the ground. I suspect that this difference only becomes important when you are trying to haul bigger weights than either system is designed for.

@joecummings1260 27 күн бұрын

Back in the day I ran a single axle heavy, because a single axle axle moved the pivot point closer to the tailboard. A tandem axle has it's pivot point in-between the rear axles. Although when air suspension came along, that made calculations a bit different, especially if you put a manual pressure control in the cab for the rear axle. But yeah you are right on the money Casey. I find it amazing how many tow operators seem to never have mastered the seesaw in kindergarten and are now grown men who still don't understand the seesaw

@jasonthimsen8623 Жыл бұрын

in my 15 years of towing I only used the Sling for a few things. mainly wrecks, and the time's where the vehicle was more the the capacity of the wheel lift. and you are 100% on the fact of it matters how far out the load is from the back of the truck

@papatomsthoughts Жыл бұрын

Simple physics, great explanation

@justinmills8084 Жыл бұрын

I am glad you did this test. People overthink about stuff 😕

@jmit5650 Жыл бұрын

This reminds me of the question of what is heavier, a ton of feathers or a ton of steel? Weight change is the matter of inches of change on distance to the rear axle. The farther back from the rear axle, less weight on the front axle. Closer to rear axle, more weight. Rear axle in this case is a pivot point on lever action. Just my two cents.

@kensrealadventures9047 Жыл бұрын

You freakin rock! I absolutely love this channel

@mygarden365 Жыл бұрын

OK,You are wonderful!

@milt7348 Жыл бұрын

Yes, new headlights and off road lights too. Stay safe.

@joeking2961 Жыл бұрын

i have fun watching you playing and having fun hahaha im glad you got that old tow truck heck of a toy for sure :)

@UtahGambler Жыл бұрын

Casey... There is always going to be... know it all people... to drive you crazy... Some people just have to think they are right... even when they aren't right... They have to put you down... and criticize....to make themselves seam better than you... "There Jealous" Try and let it go... It doesn't matter what other's say about you... and your technics... You are Awesome and very thorough in everything you do... You explain yourself and make KZfaq very entertaining... Keep up the good work Casey

@micahhenry4998 Жыл бұрын

I'm glad u explained how the wheel lift and the boom works cuz anyone that wants to get n to towing would understand the way it all goes together

@oldretireddude Жыл бұрын

One contributor to your slight weight difference would be that as you are lifting the load with the sling, you would also need to position all components of the hydraulic arm at the same positions, just not touch the load, as they were when they were being used to lift the load. Where the center of mass of that hydraulic arm is positioned relative to the rear axle changes depending on how extended the arm is at the time. You should be able to see this this affect while sitting on the scales and running the hydraulic arm in and out, even unloaded.

@weshawkins7165 Жыл бұрын

When I lived in Chicago I towed for my Brother in Laws repair shop. I towed an F650 with an F350 one time. Scary ride, almost doing wheelies.

@madcratebuilder Жыл бұрын

It's all about fulcrum point and lever length. Scales don't lie.

@darringusko8539 Жыл бұрын

Another one you should have tried. The " experts " keep saying to raise your boom if it's heavy while on the sling. Possible pt 2 for this video play with boom height. If these " experts" have paid attention in Wreckmaster it was hammered like you said its the amount of weight picked with the over hang determined the front axle weight.

@my89scottsdale67 Жыл бұрын

makes perfect sense to me just basic physics like you said

@welderboy525 Жыл бұрын

Sitting in tow school I questioned the same thing. The biggest difference was the actual capacity of a wheel lift vs the sling and boom.

@servicetrucker5564 Жыл бұрын

I’ve been telling people this for years and folks tell me I don’t know what I’m talking about. Nicely done

@timengleman Жыл бұрын

You are 100% correct. I have been a registered professional mechanical engineer since 1975. An engineer would convince him/herself by drawing a "free body diagram" to analyze the loading. The main difference that the truck will see between the two methods is the internal stresses in the framework. If you really want to get into the weeds, there may be some difference in direction and point of application of the intertial loads of towing (accelerating or decelerating). Your underlying premise is sound - and you proved it.

@dannyk3115 Жыл бұрын

Yes head lights would be a good idea 💡

@psg6314 Жыл бұрын

Headlights repair kit give a try and great video keep up the good work God bless from GA

@richardthomas1743 Жыл бұрын

That is not the problem , those style lights brand new fresh out of the factory were no good. Very poor light output.

@mikeice9768 3 ай бұрын

Thank you facts

@Kyle-ev4fk Жыл бұрын

It's pretty cool that you have scales that are open for you to do this test. I don't think weigh stations around here are open and on like that. If they are open, I80 is so busy that CHP would probably kick you out.

@TravelingfromFlorida Жыл бұрын

Good morning Casey, for lighting a small LED light bar installed above the front bumper. Will add add the look of daylight up front.

@1988dgs Жыл бұрын

Just a thought but would rotational torque play any part in loading or unloading the wheels with either setup? Thinking of the tractor pulls when the sled moves up the change in weight/ torque on the hitch lifts the front off the road. Even if the pick point is before the back axel, if it’s trying to rotate, using the back axel, could it still lift the front? Love the myth busters format, and agreed, the front lights need improvement, is it the bulbs, reflectors or glass? I had to change out the headlights on my Mazda as the reflector dulled, they looked really bright to look at them but no projection

@jonschneck4559 Жыл бұрын

the only difference would be due to the Hight of the boom above the centerline of the rear axel acting as a lever during hard braking there would be some additional weight transfer to the front axel for the duration of the brake application. the wheel lift exerts all the forward push close to the centerline of the axel where as the boom lift transfers forward momentum at the top of the bed and at the top of the boom. the wheel lift is the better choice.

@dangerrangerlstc Жыл бұрын

Don't forget too that the boom is a big lever itself. Yes it's pushing down on the ram, but it's also pulling up on the anchor pins by the headache rack. It's a lever on a bigger lever system. The weight is still pulling down behind the back axle. Gravity doesn't change directions. And yes, I watched this one AFTER your shorter video.

@paledawgoffroad3743 Жыл бұрын

I always thought what did change between the truck bar/ sling and the underlift was the capacity. Winch capacity being greater then the hydraulic rams capacity. And also clearance issues. You can gain clearance with a sling style. I wàs also taught that braking weight transfer was better with a sling. Which is why we used a truck bar instead of a wheel lift or frame forks for the bigger loads.

@zacht2137 Жыл бұрын

I think an even more interesting test is do the same test but with Motorsport scales. They measure the weight on each corner of the vehicle. That would really tell you what is going on.

@indycharlie Жыл бұрын

YES !!

@seniorrider9337 Жыл бұрын

Don't think he would do that, it could make his explanation invalid!

@Cougracer67 Жыл бұрын

@@seniorrider9337 How so? Please explain!

@seniorrider9337 Жыл бұрын

@@Cougracer67 Simply because the weight on the rear is the same does not mean that weight added to the different points will not effect the front. He could have simplified this by measuring the distance between a block placed on the ground under the front bumper and the lower edge of the front bumper. Change lifting to other way and measure distance again. Are they exactly the same? Yes, Casey is correct; no, and he isn't. Simple. I believe he would find out he is wrong, even if it is a very small amount, which corner weighing would show very accurately. Therefore nothing in it for him. I really have come to respect Casey, but sure don't like his reaction to someone asking a question in this matter so they can understand better.

@dangerrangerlstc Жыл бұрын

@@seniorrider9337 how would the weight be different on the front if the total weight doesn't change? Where does the extra weight come from?

@sewingmachinetipsandtricks9079 Жыл бұрын

Yes the weight pushes down on the ram which is in front of the axle but the top of the ram is a pivot point which means that same weight is pulling up on the front/bottom of that boom which moves the fulcrum to at least the end of the boom if not a little further back.

@CaseyLaDelle Жыл бұрын

No it’s not. The boom, ram, and all its components are a rigid structure. The rear axle is the fulcrum. If you believe anything different, you are wrong and there’s simply no two ways about that.

@brucecouch6971 Жыл бұрын

Hey bummed I cannot make the Cleanup but I will clean up some crap in the desert in keeping with the spirit. Totally dig that you nerd out on this shit. 😁

@SecurityHawk12 Жыл бұрын

Casy, your demonstration was perfectly logical to me. However, you comment replies are argurmentative. No one wants to learn when they are called stupid. Give them what they want---Just suck it up and go weigh the front of the truck. Then if people still disgree...."I'll call them stupid too!"

@philipcollins5440 Жыл бұрын

Okay, this 1 was fun...thanks

@corey97140 Жыл бұрын

Also a tower here, I was always told the sling just lets you pick up more weight. 10,000lb boom rating vs a 6000lb wheel-lift rating. So thats why you tow the heavier stuff with the sling. Is that what you understand too? Nothing having to do with your weight on the ground.

@timking2194 Жыл бұрын

Good video

@ronaldgillespie5714 Жыл бұрын

I like how you show the transfer of weight on the 2 hook-ups. Would it also depend on how high the rear of the towed vehicle is as well, transferring the weight also to the front wheels on the towed vehicle? To me it looked like the sling held it higher. Just asking.

@Neverdie242 Жыл бұрын

Awesome

@glenmaxson Жыл бұрын

Casey, you're a great soul, and I love your channel, but my Cal Tech ACM grad says you should weigh the front axle. He tutors college level physics and says there will be a difference. Physics doesn't lie. Keep up the great work!

@lockedin60 Жыл бұрын

I am not sure I understood everything you were saying but what you said made good sense. I choose not to take physics class in High School, I was told it may not go so well. I did take Advance Biology class and did well. I did not even bother about taking Physics in College but did take Psychology Statistics. A lot of this is Mechanical know how and I am just beginning to understand that aspect in life. My brother and my father were better at that then I was.

@IIsWolfee Жыл бұрын

It makes perfect sense! Even though the boom has vertical weight on the lift, it still has some horizontal pull, which would bring its center of weight more behind the rear axle the further out you go. I'm sure the critics would be somewhat correct in their thinking if the weight came straight down in front of the rear axle, but that's just not the case with a tow truck.

@cobra02411 2 ай бұрын

Depends on the truck. 1974 F350 with a Holms 440 and some unknown aftermarket add on wheel lift and an 87 F350 with a Nomar Hotshot wrecker. The 87 was better about it but both of them had more front axle weight on the sling. I can't tell you distance from the wheels to the towed vehicle but both were in a normal "go down the road" position for that setup. And that may be the birth of that "myth", but there's no way I could wheel lift a full size truck but I could sling it all day long. In fact, on the 74 if you hit a bump the front end half the time would hang in the air uncomfortably long. I learned how to tow a modern car on a sling with that truck using a 4x4 on the front core support. Took a lot of fidgeting but it worked. IMO the only way to truly test is to get a front axle weight. Get all the weights.