General Carowinds discussion
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By chknwing
#67851
coasterbruh wrote:Y'all see those trims...more to come... :shh:

uscbandfan wrote:If it's a magnetic trim, it will only slow the train to a pre-designated speed, correct?
I.e. if it;s set to 60mph and the train is going 61 then it will slow the train to 60 but if it's going 59 it wont actually do anything. Is that true, or is that not quite right?

No...I think it has a steady current like a speed bump. Regardless what speed you engage it, its gonna slow you down...I'm just speculating though...



your going up an incline anyways, those trims wont feel any different than normal slowdown going up a hill.
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By Axel
#67852
Not putting up a support next looks strange to me too... They are staging another section of track that will curve down... seems to me the next support should have gone in first...

By hikernut79
#67853
^^^ For some reason B&M designed a huge gap between supports for the camelback. It looks like this piece still won't reach the support so I guess they can hold the track with one crane and assemble the support with the other and then connect the two with the piece after that. I agree, it's a little strange.
#67855
chknwing wrote:
coasterbruh wrote:Y'all see those trims...more to come... :shh:

uscbandfan wrote:If it's a magnetic trim, it will only slow the train to a pre-designated speed, correct?
I.e. if it;s set to 60mph and the train is going 61 then it will slow the train to 60 but if it's going 59 it wont actually do anything. Is that true, or is that not quite right?

No...I think it has a steady current like a speed bump. Regardless what speed you engage it, its gonna slow you down...I'm just speculating though...



your going up an incline anyways, those trims wont feel any different than normal slowdown going up a hill.

Well I won't go as to far as to say that since I have never ridden a coaster with a mag up hill section...
By gad198
#67856
The magnetic trims that B&M uses - as stated - are always on. However, they only actually trim the coaster if it's above the speed threshhold. The trims on Leviathan sometimes engage and sometimes they don't, it really is condition dependent. You don't feel the trims at all on Leviathan unless you're riding in the rear of the train, and it is only noticeable if you're really trying to feel it. Nothing to worry about.

Someone mentioned the trim on Banshee. That trim - which was also magnetic - was actually removed towards the end of the season. I don't know of anyone - including myself - that mentioned that the trim ever engaged, and apparently the powers that be decided it wasn't necessary.

**Quick addition** B&M magnetic trims are actually retractable, which is the reason why they will only engage when necessary even though they're always on. The magnetic trims on the Intamin speed coasters (Bizarro, I305, the Supermen) are always on and engaged and you can definitely feel all of those.
#67858
gad198 wrote:
**Quick addition** B&M magnetic trims are actually retractable, which is the reason why they will only engage when necessary even though they're always on. The magnetic trims on the Intamin speed coasters (Bizarro, I305, the Supermen) are always on and engaged and you can definitely feel all of those.

That solves it! :thumbup:
User avatar
By FamousAmos
#67859
^^I agree with this post, mainly because I was watching a construction tour of Leviathan and the construction manager in the video stated that the trims will only slow the train down if it is going faster than it should.

But anyway, enough about the trims.
They got to the camel-back hill faster than I originally thought. However, the helix might be a bit of a pain to erect due to the overhead supports and track. I'd say the helix will be completed by Tuesday or Wednesday of next week.
#67864
gad198 wrote:
**Quick addition** B&M magnetic trims are actually retractable, which is the reason why they will only engage when necessary even though they're always on. The magnetic trims on the Intamin speed coasters (Bizarro, I305, the Supermen) are always on and engaged and you can definitely feel all of those.

That solves it! :thumbup:
By Edwardo
#67867
I made a post but it's not here. Any who...

Actually, unless they changed something rather recently, B&M magnetic trims are not retractable. Here is a picture of Leviathan's trim:

ImageIMG_7303 by Edward Beavers, on Flickr

This is what another of the magnetic brakes (I think it's also on Leviathan) looks like, and the only way this moves is linear (Horizontal, or back and forth) to change the strength of the magnet. You don't 'set' the magnet, as a magnet (it isn't an electromagnet, btw) isn't 'set'. Some times, as was true on TTD, after testing begins, copper fins are removed to adjust the braking speed. That likely won't need to be the case here as the magnetic trim is only there to trim the speed on the course and, as stated, will only trim speed in proportion to the strength of the magnet and speed of the train as it passes thru the brake.

Image

The way magnetic brakes work is the braking action is proportionate to the speed of the vehicle in relation to the strength of the magnet.

Intamin uses copper fins on the track and has retractable copper fins that they use, and their side magnetic brakes (as found on their mega coasters) are retractable in that they move side to side to engage. On Intamin rides, the train has the magnet on it, where as on B&M the fin is on the bottom of the train and the brake on the track is a magnet, IIRC.

But unless B&M has a new magnetic brake design, it's static, just like the one when you pop up on to the final brake run of Intimidator.
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