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How many blocks on Vekoma SLC?

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calcajun

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May 13, 2013, 10:33:41 PM5/13/13
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I ask because I thought recently saw one set up due to train position 1 and train position 2. Thing is, thought there was an extra block that would not cause this.

As I was passing train one was climbing the lift. I heard the ride shut down. Looked over to see train one just before the top of the lift and train two 1/3 in the station.

This certainly looked like a setup.

BUT.

I thought the block system on these were, lets say...

station block one.
Lift block two.
First brake run block three.
left turn and next brake run block four.
Next left and back in station block one.

So though it looked like a setup due to train positions, I would think train one could leave the lift before the second train entered the station since there is another brakerun farther back which I assumed was a block.

Just wondering.

Dave Althoff Jr.

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May 13, 2013, 10:53:59 PM5/13/13
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calcajun <mega...@hotmail.com> wrote:
> I ask because I thought recently saw one set up due to train position
> 1 and train position 2. Thing is, thought there was an extra block
> that would not cause this.
>
> As I was passing train one was climbing the lift. I heard the ride
> shut down. Looked over to see train one just before the top of the
> lift and train two 1/3 in the station.
>
> This certainly looked like a setup.

More likely an E-stop for the reasons you note...

> BUT.
>
> I thought the block system on these were, lets say...
>
> station block one.
> Lift block two.
> First brake run block three.
> left turn and next brake run block four.
> Next left and back in station block one.

Right. The SLC is designed to run three trains. That said, I think the
only one that actually *had* three trains was the one at Kentucky
Kingdom, and the only one whose operations could have benefited from a
third train was the one at Geauga Lake. It is very likely that all of
the SLCs are blocked for three trains because Vekoma actually designed
the things with relay-based controls, with a PLC available as an
upgrade. It stands to reason that they would stick wtih a standard
design.

> So though it looked like a setup due to train positions, I would think
> train one could leave the lift before the second train entered the
> station since there is another brakerun farther back which I assumed
> was a block.

It should be able to do just that.

> Just wondering.

My guess is that someone frobbed an E-stop button. Or was the train
coming into the station actually moving? In that case someone might have
reprogrammed the ride with a more conservative blocking scheme.

--Dave Althoff, Jr.
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calcajun

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May 14, 2013, 9:35:12 AM5/14/13
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Yes, I knew without really knowing that it should not have set up. It was just confusing seeing it when it happened.

I was thinking that if both brake runs were blocks that someone must have E stopped, or the ride shut itself down for it's own reason.

I think it did restart in about 5 min with no evacs.

Anyway my question was answered as both brake runs are blocks.
Where I wrote left turns, that would be right's.

Now if only there was a definitive answer on graphite instead of grease on wood.
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