Backyard Roller Coaster - Our Brakes Broke The Cart!
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- čas přidán 29. 08. 2024
- Friction brakes need to absorb and redirect lots of energy. Check out this video to learn where not to redirect all that kinetic energy in a backyard roller coaster.
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And for the grownups among us who want to rock their business...
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you could put the breaks on linear actuators and put optical sensors on the track to measure the speed of the cart and therefore change the severity of the breaking and disengage them once the cart has stopped then you could build a station with kicker wheels to move the cart around and to the base of the lift hill which could also be automatic so you only have to press the go button and the roller coaster does the rest.
My interests definitely do not lie in the details of mechanical "things", but I must admit this kept me watching the whole video. Good for you, Will Pemble.
You should try magnetic brakes. No friction means no wear!
MistaStoudt404 OMG that woud be so cool
I have a suggestion, it's not so much to do with the coaster itself but more the decorative side of things. if you plan to run this coaster at night one thing that would be really cool if you had an LED rope light all along the underside of the track.
Now that would be cool!😁😎
I’m saving up for that!
Maybe he could put some on the front of the train/cart.
Great catch on the brakes. Great coaster. I think you should go for another attempt at a heart line roll. You were so close with your last one. I'm not an engineer, but when I was watching the video, it appeared to turn the cart upside down with ease, but rather than the track looping around and back underneath the cart and rider while they were were weightless, it caught their full weight at the 8 o'clock position still beyond horizontal requiring the track to LIFT the cart and rider back to an upright position which wasn't good. If you created a roll with the path the person's head travels as your axis, I think you could come up with a winner. Think of it as a "Head Line Roll" where the head would follow the same path a ball would travel if tossed from point A to point B. It travels a straight line that has an upward catenary arc that only deviates on the Y plane, but not the X. You want the person's head to travel that arc and have the track spiral around it to turn them upside down and then catch them on the end without ever having to lift the weight of the person's body or cart back to an upright position. I get the impression that you're an engineer of some kind, so you could probably work all this out mathematically. Good luck. Every time I watch your videos you make your coaster better and better.
Add a tunnel with smoke effect
I got an idea you. Should put Christmas lights on the track
Uh, you know there's a reason that trains (cars, trucks, basically any wheeled vehicle) have their brakes on the wheels/wheel structures instead of the vehicle itself: so that vertical movement of the vehicle doesn't negate the brake's effectiveness. What you've essentially done here is move the braking forces from the bolt to... the bolt.
Now rather than a lateral force across the bolt, the force is concentrated along the bolt, meaning that any wear in the bolt, it's thread, the nuts, their threads, the washers, the aluminium bearers, the bogie or cart bolsters, et cetera will let the cart body raise and reduce the effectiveness of the brakes. Additionally, you've added a new (potential) point of failure, as the brakes now interfere with tracking; rather than the bogies guiding the cart and gripping the retarders (braking beams on the track), the bogies are now trying to guide a sled, which is going to increase the load on the bogies in all 3 axis.
If instead, you kept the brakes on the bogies, and just strengthened the bolsters and pivot pins (also, wider bearers would help), the load from the braking forces would have been distributed across multiple larger areas, rather than moved a bit, then added to.
Some do, particularly older coasters. 'Scenic railways' the precursor of the modern roller coaster for instance often used brakes on the wheels, but also required a brakeman to apply them. This is why pinch and eddy brakes came into use, to simplify off-vehicle braking and make it more practical. Pinch brakes still use a fin mounted on the bogie/wheel structure however, for the reasons I stated (also, pinch brakes negate the lift issues of skid brakes). Eddy brakes are often carriage mounted, but they also don't provide a solid lock that interferes with the tracking, as being magnetic, there's no contact.
Get some proxy sensors to start and stop the lift when the car comes close to it
Okay brakes aren't supposed to be THAT literal.
Maybe add a station platform, and a walkway up the lift hill for maintenance.
Great work !
Have you thought about the possibility that this method may still put undue stress on the wheel assemblies/axle? My mind is saying that when the brake pad touches the brake it’s going to force the chassis of the car upwards and pull against the wheel assemblies that cannot move upwards with the chassis due to being locked onto the track?
Dan Cox with the weight of the cart plus a person, and the noticeable gap between the up-stops, I don't think it it too much of a problem.
you should add LEDs on the track
I love your coaster and really appreciate the hard work and dedication you and the coaster team put into it. I know a lot of folks want to see inversions which would be exciting. I would just like to see all that extra kinetic energy in just extending it out, maybe another helix. Blunder on!
We're thinking about a heartline roll, actually.
:)
Hi Will love your work! I'd like to see the back of the seat braced just in case the seat internal bracing fails.
That’s a really good idea! I’ll do it!
Make a dual person cart or two carts to go at once 🎢
I just want to say this is a dream of mine!😁 You are so lucky to be able to do this. Sadly where I live it would be a lot harder to do it as land in the UK it's not only A lot more expensive but we also have strict planning laws as well.😩
Where you live there's a lot more land and therefore it's not as expensive.
With that said however I keep taking a lottery ticket out every month and if I ever win I'll do that and more! 😁
I never would have thought to do that! I probably would have completely scraped the entire brake system and cart, and start over!!!
OUTSTANDING JOB - use sandbag for testing
I think it would be safer if you made a fin under the car and create brakes with rubber where the fin slides trough it. Thats similar how most block brakes work on rollercoasters.
Man, i'm rewatching some of your vids, and im like "if i had to work for somebody, this guy would be so much fun to work for."
Great video!!
PUT CHRISTMAS LIGHTS ON IT!!!!!!
Maybe some magnetic brakes? Maybe A catwalk? Maybe A live camera at the top of the lift to check to see if there are any loose articles?
You should add a loop to the track and put in a new seat with a shoulder harnice to have a more safer and smoother ride
You da man, Will.
You have a new subscriber here. This is amazing.
Thank you, Zach! Welcome to the team :-)
Looks like you had a top thrill dragster! Lol. Hope you fix it!
A piece of tubing between the top and bottom of that square steel would stop it yielding but since you're replacing where it brakes . . .
This is what off season matinance is for😂 but don’t do it we have to many upset coaster enthusiasts😂
Are you going to stick Christmas lights on it?
Dual person cart
Will,
Did you ever think of fin breaks or even adjustable spring tension on the skid breaks.
arnen't there like really big bearings exactly for panning axles? the cart would get heavier from that but it would be stronger, avoid wobbleing and look better imo
Even Intamin Rollercoaster co learns form its mistakes. The launch system failed on Kingda Ka its second year because bolts to the cable assembly failed.
About aviation accidents: most of them didn't happen 10 years ago, actually. like 60% of them are caused by human error. Which is amazing, of course, considering the abuse the planes have to go trough (and for a plane, with gigantic amounts of parts, in use for decades, that not 90% of them fall from the sky due to equipment failure is quite amazing, I think)
Do you plan on making a block system?
How much would a magnetic brake cost?
You should make a theme park
What do you make the breaks and break pads out of?
What are you using as the braking material?
2022, Are you still working with roller coasters? It's been a while.
We're back at it in a very big way, Larry! Check out the Discord to learn more: discord.gg/coasterpunks!
What did you use for the brake strips?
Make light round the roller coaster so that you can ride it at night
You should call the ride Rolley mcCoaster-face
What a bummer, although something tells me finding this now made you euphoric...
I do love a puzzle :)
dark ride extention
Will it work backwords?
There has been some discussion about that question. Seems to me there’s an experiment to be done :)
Cool. Well at least try too then :)
Try and make a faster lift hill
Working on that! A really great suggestion was to make it a variable speed hill. Slow at the bottom, fast in the middle, slow at the top. Gotta figure out a reliable way to control the motor. Super excited to do this project.. .and a video all about it!
Will Pemble, a variable speed lift would make the ride a lot more enjoyable. I hope you can figure out a way to get it to work. Electronics can be difficult sometimes.
Never Give Up! Never Surrender!
True words of wisdom...
I like bad jokes, but they're better when demonstrated with dry humor
whats the name of the coaster
Cage's Coaster Reviews goal boss
Also, 100th like
That stinks