Author Topic: Truck set-ups  (Read 1105436 times)

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Vintagebody

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Re: Truck set-ups
« Reply #11430 on: June 23, 2022, 10:47:05 PM »
It's not like Indy's remove any possibility of sticking. I just got my forged indy's, so gonne be fun to see if it cures my truck madness. It does seem like I get less hangups from smiths/feebles with Indy's, and they somewhat appear to have a lower kingpin then Thunder? The bushings are also way softer, so I actually have to tighten the kingpin nut, which I guess give some extra margin for error.

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Re: Truck set-ups
« Reply #11431 on: June 23, 2022, 11:02:28 PM »
I was thinking the forged mids and a krux or that seat bolt set up.  I think you could just lock tite no? 

rocklobster

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Re: Truck set-ups
« Reply #11432 on: June 24, 2022, 01:28:24 AM »
I was thinking the forged mids and a krux or that seat bolt set up.  I think you could just lock tite no?

I used some super glue on the nut at the bottom of the baseplate, not sure if they got looser as I skated or were always that loose and I haven't ridden them in a while. I'll find out tomorrow when I get a full session in, if I have to tighten mid session I'll know its the nut getting loose.

IpathCats

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Re: Truck set-ups
« Reply #11433 on: June 24, 2022, 04:17:40 AM »
Expand Quote
I was thinking the forged mids and a krux or that seat bolt set up.  I think you could just lock tite no?
[close]

I used some super glue on the nut at the bottom of the baseplate, not sure if they got looser as I skated or were always that loose and I haven't ridden them in a while. I'll find out tomorrow when I get a full session in, if I have to tighten mid session I'll know its the nut getting loose.

Even if the nut is glued in place, the extra space between the threads and the baseplate (as opposed to just a straight pressed kingpin) allows for some slight movement, over time this causes ikp trucks to loosen. Loctite will prevent this, it's used on cars where the weight/force/frequency of vibration is much higher. Loctite is designed to prevent things from vibrating loose. Blue will work for a while if you don't fuck with your trucks after applying, red will work basically indefinitely, but will be harder to remove, you'll need to dial your tightness in quickly before it hardens.
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Mbrimson88

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Re: Truck set-ups
« Reply #11434 on: June 24, 2022, 05:11:45 AM »

A set of the inverted kingpin Indys seemed to work well (and not loosen off at all) when I had the kingpin down as far into it as it would go, which was ok as the bushings were pretty much how I skated them anyway.

Other people I know seem to have had no end of trouble with the inverted kingpin assembly though, with the kingpin nut coming loose in the shaft, the kingpin not staying in place and one guy having to loosen off the kingpin to get the bushings right so it was almost out too far and sat up too high.

Thinking the right bushings with the kingpin down hard might be the answer, but it might be a struggle for some people to get it just right with the right bushings too.


I also tried (with success) two other options of kingpins, both with longer threads, so I could get it down lower and both stayed in place as well.  They were old kingpins from Krux and Silver trucks, which had way more threads down the kingpins than the current Indy or some other brands do, so I am thinking that might be the best option to find other inverted kingpins to use in them, for people who can't get the Indy ones down far enough.

I talk too much about skateboards.  Sorry.

IpathCats

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Re: Truck set-ups
« Reply #11435 on: June 24, 2022, 05:32:29 AM »

A set of the inverted kingpin Indys seemed to work well (and not loosen off at all) when I had the kingpin down as far into it as it would go, which was ok as the bushings were pretty much how I skated them anyway.

Other people I know seem to have had no end of trouble with the inverted kingpin assembly though, with the kingpin nut coming loose in the shaft, the kingpin not staying in place and one guy having to loosen off the kingpin to get the bushings right so it was almost out too far and sat up too high.

Thinking the right bushings with the kingpin down hard might be the answer, but it might be a struggle for some people to get it just right with the right bushings too.


I also tried (with success) two other options of kingpins, both with longer threads, so I could get it down lower and both stayed in place as well.  They were old kingpins from Krux and Silver trucks, which had way more threads down the kingpins than the current Indy or some other brands do, so I am thinking that might be the best option to find other inverted kingpins to use in them, for people who can't get the Indy ones down far enough.

if you have it cranked as far as the threads will allow the non threaded part of the kingpin is what is making contact with the baseplate at that point so there would be far less wiggle room. makes sense.
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Ronnie Rodriguez

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Re: Truck set-ups
« Reply #11436 on: June 24, 2022, 06:28:47 AM »
I gotta say that I find the "fuckwithyourtrucks" guy to be incredibly annoying, and the fact that he is measuring in imperial units isn't helping.

See this. Not a fan of this dudes vibe. Feel like I am getting cyberbullied when I look at his posts.

"NO COMMENTS OR ELSE!" b/w "TELL ME WHAT YOU DO FOR A LIVING AND HOW MUCH YOU MAKE IN THE COMMENTS, GO!!!"


goodatmeth

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Re: Truck set-ups
« Reply #11437 on: June 24, 2022, 06:35:37 AM »
Expand Quote
I gotta say that I find the "fuckwithyourtrucks" guy to be incredibly annoying, and the fact that he is measuring in imperial units isn't helping.
[close]

See this. Not a fan of this dudes vibe. Feel like I am getting cyberbullied when I look at his posts.

"NO COMMENTS OR ELSE!" b/w "TELL ME WHAT YOU DO FOR A LIVING AND HOW MUCH YOU MAKE IN THE COMMENTS, GO!!!"

This dude is insane. He just blocked me for respectfully asking why he thinks that grinding off material waayyy above the pivot changes the stability of a truck in any way whatsoever (instead of just making it easier to bend the axle...). Basically all the comments were asking the same thing and he just couldn't give an answer that made any sense, but he's 100% sure he's right.

IpathCats

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Re: Truck set-ups
« Reply #11438 on: June 24, 2022, 06:37:58 AM »
Expand Quote
Expand Quote
I gotta say that I find the "fuckwithyourtrucks" guy to be incredibly annoying, and the fact that he is measuring in imperial units isn't helping.
[close]

See this. Not a fan of this dudes vibe. Feel like I am getting cyberbullied when I look at his posts.

"NO COMMENTS OR ELSE!" b/w "TELL ME WHAT YOU DO FOR A LIVING AND HOW MUCH YOU MAKE IN THE COMMENTS, GO!!!"
[close]

This dude is insane. He just blocked me for respectfully asking why he thinks that grinding off material waayyy above the pivot changes the stability of a truck in any way whatsoever (instead of just making it easier to bend the axle...). Basically all the comments were asking the same thing and he just couldn't give an answer that made any sense, but he's 100% sure he's right.

lol this guy sounds like madness incarnate. Good troll opportunity if he doesnt just block you.
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manysnakes

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Re: Truck set-ups
« Reply #11439 on: June 24, 2022, 10:39:20 AM »
Expand Quote
I gotta say that I find the "fuckwithyourtrucks" guy to be incredibly annoying, and the fact that he is measuring in imperial units isn't helping.
[close]

See this. Not a fan of this dudes vibe. Feel like I am getting cyberbullied when I look at his posts.

"NO COMMENTS OR ELSE!" b/w "TELL ME WHAT YOU DO FOR A LIVING AND HOW MUCH YOU MAKE IN THE COMMENTS, GO!!!"

It's a very minor thing, but he was making posts *all the time* about how skate shops would rather just sell you new trucks rather than replace a broken kingpin. I don't know if that's true where he is, maybe it is, but both of my local shops sells kingpins, pivots cups, etc. But also what do you expect shops to do? Buy a $500 arbor press and install it for you? Get real, it's a fucking retail operation, not a machine shop.

I've never see his "what do you do for a living" comments but that's rich. I'm looking at his page now and Jesus what a vain asshole.
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manysnakes

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Re: Truck set-ups
« Reply #11440 on: June 24, 2022, 10:40:18 AM »
Expand Quote
Expand Quote
I gotta say that I find the "fuckwithyourtrucks" guy to be incredibly annoying, and the fact that he is measuring in imperial units isn't helping.
[close]

See this. Not a fan of this dudes vibe. Feel like I am getting cyberbullied when I look at his posts.

"NO COMMENTS OR ELSE!" b/w "TELL ME WHAT YOU DO FOR A LIVING AND HOW MUCH YOU MAKE IN THE COMMENTS, GO!!!"
[close]

This dude is insane. He just blocked me for respectfully asking why he thinks that grinding off material waayyy above the pivot changes the stability of a truck in any way whatsoever (instead of just making it easier to bend the axle...). Basically all the comments were asking the same thing and he just couldn't give an answer that made any sense, but he's 100% sure he's right.

This one is baffling to me, and you see it a lot. Does no one know what a fulcrum is, how it works?
This is not my SOTY. I'm telling my kids there was no SOTY for 2021

Ol Nick

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Re: Truck set-ups
« Reply #11441 on: June 24, 2022, 11:23:11 AM »
Expand Quote
Expand Quote
Expand Quote
I gotta say that I find the "fuckwithyourtrucks" guy to be incredibly annoying, and the fact that he is measuring in imperial units isn't helping.
[close]

See this. Not a fan of this dudes vibe. Feel like I am getting cyberbullied when I look at his posts.

"NO COMMENTS OR ELSE!" b/w "TELL ME WHAT YOU DO FOR A LIVING AND HOW MUCH YOU MAKE IN THE COMMENTS, GO!!!"
[close]

This dude is insane. He just blocked me for respectfully asking why he thinks that grinding off material waayyy above the pivot changes the stability of a truck in any way whatsoever (instead of just making it easier to bend the axle...). Basically all the comments were asking the same thing and he just couldn't give an answer that made any sense, but he's 100% sure he's right.
[close]

This one is baffling to me, and you see it a lot. Does no one know what a fulcrum is, how it works?
Iíve seen that post a few times and at least one person question it; my best guess has been that itís in reference to how truck companies gradually filled out or better braced the hanger at the center and by reverting trucks to a less beefy profile, they behave more like older, less-stable trucks. I came up after trucks had started to beef up in the 80s so I donít have much of a reference point for how trucks felt before then.
I disagree with the stance that itís not acceptable to ask why, especially given that those are not reposts of other accounts but seemingly original content, but I can understand that maybe itís difficult for him to explain and that trying it yourself might be necessary. Definitely a weird vibe from his posts and comments but itís way more interesting to me than the typical generic ďskateĒ accounts just reposting bangers with no credit and a sea of hashtags.

PuffinMuffin

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Re: Truck set-ups
« Reply #11442 on: June 24, 2022, 11:49:51 AM »
Expand Quote
Expand Quote
Expand Quote
Expand Quote
I gotta say that I find the "fuckwithyourtrucks" guy to be incredibly annoying, and the fact that he is measuring in imperial units isn't helping.
[close]

See this. Not a fan of this dudes vibe. Feel like I am getting cyberbullied when I look at his posts.

"NO COMMENTS OR ELSE!" b/w "TELL ME WHAT YOU DO FOR A LIVING AND HOW MUCH YOU MAKE IN THE COMMENTS, GO!!!"
[close]

This dude is insane. He just blocked me for respectfully asking why he thinks that grinding off material waayyy above the pivot changes the stability of a truck in any way whatsoever (instead of just making it easier to bend the axle...). Basically all the comments were asking the same thing and he just couldn't give an answer that made any sense, but he's 100% sure he's right.
[close]

This one is baffling to me, and you see it a lot. Does no one know what a fulcrum is, how it works?
[close]
Iíve seen that post a few times and at least one person question it; my best guess has been that itís in reference to how truck companies gradually filled out or better braced the hanger at the center and by reverting trucks to a less beefy profile, they behave more like older, less-stable trucks. I came up after trucks had started to beef up in the 80s so I donít have much of a reference point for how trucks felt before then.
I disagree with the stance that itís not acceptable to ask why, especially given that those are not reposts of other accounts but seemingly original content, but I can understand that maybe itís difficult for him to explain and that trying it yourself might be necessary. Definitely a weird vibe from his posts and comments but itís way more interesting to me than the typical generic ďskateĒ accounts just reposting bangers with no credit and a sea of hashtags.

But that feeling came from changes in the geometry of the truck. Regardless of how beefy or dainty the hanger is, it has no effect on its turning characteristics. I feel #fuckwithyourtrucks conflates structural stability with turning stability. He also posted a photo of my trucks on his Instagram, and I'd rather he didn't.
iím 80% skateboarder 20% atlantic puffin enthusiast

layzieyez

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Re: Truck set-ups
« Reply #11443 on: June 24, 2022, 11:55:17 AM »
I guess I know who to block. Don't want mine reposted either.
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Ronnie Rodriguez

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Re: Truck set-ups
« Reply #11444 on: June 24, 2022, 12:45:11 PM »
Expand Quote
Expand Quote
Expand Quote
Expand Quote
Expand Quote
I gotta say that I find the "fuckwithyourtrucks" guy to be incredibly annoying, and the fact that he is measuring in imperial units isn't helping.
[close]

See this. Not a fan of this dudes vibe. Feel like I am getting cyberbullied when I look at his posts.

"NO COMMENTS OR ELSE!" b/w "TELL ME WHAT YOU DO FOR A LIVING AND HOW MUCH YOU MAKE IN THE COMMENTS, GO!!!"
[close]

This dude is insane. He just blocked me for respectfully asking why he thinks that grinding off material waayyy above the pivot changes the stability of a truck in any way whatsoever (instead of just making it easier to bend the axle...). Basically all the comments were asking the same thing and he just couldn't give an answer that made any sense, but he's 100% sure he's right.
[close]

This one is baffling to me, and you see it a lot. Does no one know what a fulcrum is, how it works?
[close]
Iíve seen that post a few times and at least one person question it; my best guess has been that itís in reference to how truck companies gradually filled out or better braced the hanger at the center and by reverting trucks to a less beefy profile, they behave more like older, less-stable trucks. I came up after trucks had started to beef up in the 80s so I donít have much of a reference point for how trucks felt before then.
I disagree with the stance that itís not acceptable to ask why, especially given that those are not reposts of other accounts but seemingly original content, but I can understand that maybe itís difficult for him to explain and that trying it yourself might be necessary. Definitely a weird vibe from his posts and comments but itís way more interesting to me than the typical generic ďskateĒ accounts just reposting bangers with no credit and a sea of hashtags.
[close]

But that feeling came from changes in the geometry of the truck. Regardless of how beefy or dainty the hanger is, it has no effect on its turning characteristics. I feel #fuckwithyourtrucks conflates structural stability with turning stability. He also posted a photo of my trucks on his Instagram, and I'd rather he didn't.

It may have been me. I used to have one of your inverted kingpin mods bookmarked on my old account and may (or may not) have shared it in a moment of over-enthusiasm before I realized that guy kinda sucks.

So if I did do it, I'm sorry. and if I didn't, I'm still sorry.

Expand Quote
Expand Quote
I gotta say that I find the "fuckwithyourtrucks" guy to be incredibly annoying, and the fact that he is measuring in imperial units isn't helping.
[close]

See this. Not a fan of this dudes vibe. Feel like I am getting cyberbullied when I look at his posts.

"NO COMMENTS OR ELSE!" b/w "TELL ME WHAT YOU DO FOR A LIVING AND HOW MUCH YOU MAKE IN THE COMMENTS, GO!!!"
[close]

It's a very minor thing, but he was making posts *all the time* about how skate shops would rather just sell you new trucks rather than replace a broken kingpin. I don't know if that's true where he is, maybe it is, but both of my local shops sells kingpins, pivots cups, etc. But also what do you expect shops to do? Buy a $500 arbor press and install it for you? Get real, it's a fucking retail operation, not a machine shop.

I've never see his "what do you do for a living" comments but that's rich. I'm looking at his page now and Jesus what a vain asshole.

Yeah, not in Insta these days but he seemed to love to talk about shops not doing their part by fixing gear. I was probably hyperbolic about the jobs thing, but I do remember him either being like "No comments, you guys are mean" or asking some weirdly personal shit.


Dwyck

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Re: Truck set-ups
« Reply #11445 on: June 24, 2022, 12:52:44 PM »
He turned the comments off once after a long post about how kids that flip Conical Fulls are dumb because you're not riding the intended shape. Which did not make sense for a guy that advocates mucking about with all sorts of truck geometry that designers never intended
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PuffinMuffin

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Re: Truck set-ups
« Reply #11446 on: June 24, 2022, 01:01:46 PM »
Expand Quote
Expand Quote
Expand Quote
Expand Quote
Expand Quote
Expand Quote
I gotta say that I find the "fuckwithyourtrucks" guy to be incredibly annoying, and the fact that he is measuring in imperial units isn't helping.
[close]

See this. Not a fan of this dudes vibe. Feel like I am getting cyberbullied when I look at his posts.

"NO COMMENTS OR ELSE!" b/w "TELL ME WHAT YOU DO FOR A LIVING AND HOW MUCH YOU MAKE IN THE COMMENTS, GO!!!"
[close]

This dude is insane. He just blocked me for respectfully asking why he thinks that grinding off material waayyy above the pivot changes the stability of a truck in any way whatsoever (instead of just making it easier to bend the axle...). Basically all the comments were asking the same thing and he just couldn't give an answer that made any sense, but he's 100% sure he's right.
[close]

This one is baffling to me, and you see it a lot. Does no one know what a fulcrum is, how it works?
[close]
Iíve seen that post a few times and at least one person question it; my best guess has been that itís in reference to how truck companies gradually filled out or better braced the hanger at the center and by reverting trucks to a less beefy profile, they behave more like older, less-stable trucks. I came up after trucks had started to beef up in the 80s so I donít have much of a reference point for how trucks felt before then.
I disagree with the stance that itís not acceptable to ask why, especially given that those are not reposts of other accounts but seemingly original content, but I can understand that maybe itís difficult for him to explain and that trying it yourself might be necessary. Definitely a weird vibe from his posts and comments but itís way more interesting to me than the typical generic ďskateĒ accounts just reposting bangers with no credit and a sea of hashtags.
[close]

But that feeling came from changes in the geometry of the truck. Regardless of how beefy or dainty the hanger is, it has no effect on its turning characteristics. I feel #fuckwithyourtrucks conflates structural stability with turning stability. He also posted a photo of my trucks on his Instagram, and I'd rather he didn't.
[close]

It may have been me. I used to have one of your inverted kingpin mods bookmarked on my old account and may (or may not) have shared it in a moment of over-enthusiasm before I realized that guy kinda sucks.

So if I did do it, I'm sorry. and if I didn't, I'm still sorry.

Haha, it's all good. It just made for an awkward conversation at the park once because I had no clue what "hashtag fuck with your trucks" was. I thought the dude was fucking with me.
iím 80% skateboarder 20% atlantic puffin enthusiast

manysnakes

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Re: Truck set-ups
« Reply #11447 on: June 24, 2022, 01:42:31 PM »
The weird thing is that I donít think he gets a lot of negative comments, but if any one person gives him pushback or disagrees he apparently freaks out and blocks them then disables comments.
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j....soy.....

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Re: Truck set-ups
« Reply #11448 on: June 24, 2022, 02:39:54 PM »
Truck madness is the only explanationÖ..

Mbrimson88

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Re: Truck set-ups
« Reply #11449 on: June 24, 2022, 05:20:18 PM »
The weird thing is that I donít think he gets a lot of negative comments, but if any one person gives him pushback or disagrees he apparently freaks out and blocks them then disables comments.


I only looked and never commented, even when he had asked for feedback, but the one thing I always notice is most (if not all) content is from others, so when people keep asking him about it, he is probably getting sick of it.  No excuse to be a dick to anyone about it though, but at least now he credits the person he got it from, so others can direct their questions to that individual, rather than his post.

Maybe I am more of a helper at heart, so would always be a little more keen to explain and inform others with any modifications I make or do, but I guess if you want to run an instagram account like that, you have to be willing to take the good and the bad feedback and the million questions that go with it.




As far as shops selling whatever they can, I have seen it time and time again where people are forced to buy a new set of trucks for something as simple as a broken kingpin as they either flatly refuse to help or don't have the tools for the job.  I know the last Indy forged baseplate with hollow kingpin was such a mission to get out, the baseplate was broken and done by the time it came out, so there was not a whole lot that could be done anyway.  Luckily I had a spare old baseplate with intact kingpin handy and it was a good customer, so that wasn't such a big deal for me, but I draw the line at removing griptape if it is not the easy peel type stuff.

Give them the tools to try, or tell them how to do it and let them deal with it, but if they can't sort it out, then buying new whatever is about the only other way to keep them rolling.

I talk too much about skateboards.  Sorry.

Buttfart Rapedick

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Re: Truck set-ups
« Reply #11450 on: June 24, 2022, 05:58:44 PM »

But that feeling came from changes in the geometry of the truck. Regardless of how beefy or dainty the hanger is, it has no effect on its turning characteristics. I feel #fuckwithyourtrucks conflates structural stability with turning stability. He also posted a photo of my trucks on his Instagram, and I'd rather he didn't.

So just to be a stoned contrarian I taped 50g weights to my hanger in various places to see if it made a difference. If removing mass dramatically affects the turn then surely adding it would do the same, right?

No discernible difference in the turn. Don't even notice the extra weight unless you pop.

Ol Nick

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Re: Truck set-ups
« Reply #11451 on: June 24, 2022, 08:53:28 PM »
Expand Quote

But that feeling came from changes in the geometry of the truck. Regardless of how beefy or dainty the hanger is, it has no effect on its turning characteristics. I feel #fuckwithyourtrucks conflates structural stability with turning stability. He also posted a photo of my trucks on his Instagram, and I'd rather he didn't.
[close]

So just to be a stoned contrarian I taped 50g weights to my hanger in various places to see if it made a difference. If removing mass dramatically affects the turn then surely adding it would do the same, right?

No discernible difference in the turn. Don't even notice the extra weight unless you pop.
Maybe itís just the thrill of not knowing when your hanger is gonna give out.

LebowskisRug

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Re: Truck set-ups
« Reply #11452 on: June 28, 2022, 02:55:49 PM »
I dunno where to post this and keep in mind this is approximate.

I put my magnetic angle gauge on the kingpin of each truck and then attached it to a thick steel rule and measured what I am calling the yoke angle, which is the center of the pivot nub to center of the axle.

Royal 144 raw: kingpin 15, yoke 20
Venture cast 144: kingpin 20, yoke 20
Thunder cast 148: kingpin 20, yoke 15
Indy Standard cast 144: kingpin 16, yoke 20

So I'm missing a lot of trucks, but this kinda explains why Royals and Indy's feel so close and why Thunder have so much twitch. I think the steeper yoke angle means a longer carve? Totally beyond my geometry knowledge. We do know that the Royal bottom bushing is taller than Indy, which might push the hanger up slightly.

One thing I found interesting is the nub angle position relative to the axle. So on most trucks the nub angle isn't the same as what I measured above which is just from axle to bottom of nub. The nub itself is like part of the hanger and then the hanger angles after it.

For Venture and Royal the nub angle is slightly in front of the axle (towards kingpin). On Thunder it is slightly behind the axle (towards the baseplate). On Indy it is precisely in the middle. I could be full of shit and I'm not an engineer but I wonder if that is why Royals and Ventures have a bit more on center stability before they arc and why Thunders are known for twitching?
« Last Edit: June 28, 2022, 08:37:24 PM by LebowskisRug »

goodatmeth

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Re: Truck set-ups
« Reply #11453 on: June 29, 2022, 03:58:24 AM »
I dunno where to post this and keep in mind this is approximate.

I put my magnetic angle gauge on the kingpin of each truck and then attached it to a thick steel rule and measured what I am calling the yoke angle, which is the center of the pivot nub to center of the axle.

Royal 144 raw: kingpin 15, yoke 20
Venture cast 144: kingpin 20, yoke 20
Thunder cast 148: kingpin 20, yoke 15
Indy Standard cast 144: kingpin 16, yoke 20

So I'm missing a lot of trucks, but this kinda explains why Royals and Indy's feel so close and why Thunder have so much twitch. I think the steeper yoke angle means a longer carve? Totally beyond my geometry knowledge. We do know that the Royal bottom bushing is taller than Indy, which might push the hanger up slightly.

One thing I found interesting is the nub angle position relative to the axle. So on most trucks the nub angle isn't the same as what I measured above which is just from axle to bottom of nub. The nub itself is like part of the hanger and then the hanger angles after it.

For Venture and Royal the nub angle is slightly in front of the axle (towards kingpin). On Thunder it is slightly behind the axle (towards the baseplate). On Indy it is precisely in the middle. I could be full of shit and I'm not an engineer but I wonder if that is why Royals and Ventures have a bit more on center stability before they arc and why Thunders are known for twitching?

Mad, but also interesting, so thanks

IpathCats

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Re: Truck set-ups
« Reply #11454 on: June 29, 2022, 04:34:18 AM »
I dunno where to post this and keep in mind this is approximate.

I put my magnetic angle gauge on the kingpin of each truck and then attached it to a thick steel rule and measured what I am calling the yoke angle, which is the center of the pivot nub to center of the axle.

Royal 144 raw: kingpin 15, yoke 20
Venture cast 144: kingpin 20, yoke 20
Thunder cast 148: kingpin 20, yoke 15
Indy Standard cast 144: kingpin 16, yoke 20

So I'm missing a lot of trucks, but this kinda explains why Royals and Indy's feel so close and why Thunder have so much twitch. I think the steeper yoke angle means a longer carve? Totally beyond my geometry knowledge. We do know that the Royal bottom bushing is taller than Indy, which might push the hanger up slightly.

One thing I found interesting is the nub angle position relative to the axle. So on most trucks the nub angle isn't the same as what I measured above which is just from axle to bottom of nub. The nub itself is like part of the hanger and then the hanger angles after it.

For Venture and Royal the nub angle is slightly in front of the axle (towards kingpin). On Thunder it is slightly behind the axle (towards the baseplate). On Indy it is precisely in the middle. I could be full of shit and I'm not an engineer but I wonder if that is why Royals and Ventures have a bit more on center stability before they arc and why Thunders are known for twitching?

Papa Ben Degros would be proud.
.....Nah

PuffinMuffin

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Re: Truck set-ups
« Reply #11455 on: June 29, 2022, 05:14:32 AM »
I dunno where to post this and keep in mind this is approximate.

I put my magnetic angle gauge on the kingpin of each truck and then attached it to a thick steel rule and measured what I am calling the yoke angle, which is the center of the pivot nub to center of the axle.

Royal 144 raw: kingpin 15, yoke 20
Venture cast 144: kingpin 20, yoke 20
Thunder cast 148: kingpin 20, yoke 15
Indy Standard cast 144: kingpin 16, yoke 20

So I'm missing a lot of trucks, but this kinda explains why Royals and Indy's feel so close and why Thunder have so much twitch. I think the steeper yoke angle means a longer carve? Totally beyond my geometry knowledge. We do know that the Royal bottom bushing is taller than Indy, which might push the hanger up slightly.

One thing I found interesting is the nub angle position relative to the axle. So on most trucks the nub angle isn't the same as what I measured above which is just from axle to bottom of nub. The nub itself is like part of the hanger and then the hanger angles after it.

For Venture and Royal the nub angle is slightly in front of the axle (towards kingpin). On Thunder it is slightly behind the axle (towards the baseplate). On Indy it is precisely in the middle. I could be full of shit and I'm not an engineer but I wonder if that is why Royals and Ventures have a bit more on center stability before they arc and why Thunders are known for twitching?

There are more information in this google doc if you're interested. It seems accurate for weights, but I don't know about angle measurements:

https://docs.google.com/spreadsheets/d/13rCMIthFb59Y-xrveasWk4GqR9jgd85fXDCIFm3g15I/edit#gid=0

iím 80% skateboarder 20% atlantic puffin enthusiast

Xen

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Re: Truck set-ups
« Reply #11456 on: June 29, 2022, 09:31:22 PM »
Was dorking around with my forged mindies, put the mindy hanger on a regular forged plate (both photos are using the same plate/bushings)...didn't work out so well, look how offset the kinpin is in the yoke (top pic); also, never noticed how different the shape of the hanger yoke area was on the mids (text denotes the hanger, both sitting on regular forged plate from a set of TI).



« Last Edit: June 30, 2022, 06:12:15 AM by Xen »

Vintagebody

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Re: Truck set-ups
« Reply #11457 on: July 03, 2022, 11:29:31 AM »
Anyone bought the mids baseplate and slapped on some indy std hangar on? I usually have to tighten indy's by a good margin to not have them too loose, so I wonder if I will actually get a solid benefit, in terms of kingpin clearence.
The mids kingpin clearance is obviously a hoax....

mynameisnotjeff

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Re: Truck set-ups
« Reply #11458 on: July 03, 2022, 11:36:42 AM »
Anyone bought the mids baseplate and slapped on some indy std hangar on? I usually have to tighten indy's by a good margin to not have them too loose, so I wonder if I will actually get a solid benefit, in terms of kingpin clearence.
The mids kingpin clearance is obviously a hoax....
I had an older, beat up set of 169 hollows. Threw the Krux kingpin in the mid baseplate and theyíre super loose. Definitely gonna throw on some harder bushings to compensate but, I will say that I donít hang up on slappy smiths or hit the kingpin.
Nothing I do deserves more than an iphone camera.

Xen

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Re: Truck set-ups
« Reply #11459 on: July 03, 2022, 05:44:26 PM »
Anyone bought the mids baseplate and slapped on some indy std hangar on? I usually have to tighten indy's by a good margin to not have them too loose, so I wonder if I will actually get a solid benefit, in terms of kingpin clearence.

I did a while back. No benefit as the 'clearance' was done via the hanger, not the plate.


The mids kingpin clearance is obviously a hoax....

It's true; otherwise they wouldn't have had to beef up the hanger and add weight to make it worth it. So odd.