Sheaves are the wheels the rope will roll on (actually pronounced more like Shiv, like the prison weapon).
The angle that some are talking about isn't going to stay. The 'sheaves' are on pivoting arms. If you look closely you will see that the whole assembly is on one big arm, and there there are 4 sheaves per 2nd arm, and then there are two sheaves per 3rd arm.
They are basically just drooping down like that because the rope isn't there putting tension on them. Once it is, it will be pretty level, and flex around when a cabin is rolling across it.
Here is an example of one getting installed where they are actually in opposite positions.
The angle that some are talking about isn't going to stay. The 'sheaves' are on pivoting arms. If you look closely you will see that the whole assembly is on one big arm, and there there are 4 sheaves per 2nd arm, and then there are two sheaves per 3rd arm.
They are basically just drooping down like that because the rope isn't there putting tension on them. Once it is, it will be pretty level, and flex around when a cabin is rolling across it.
Here is an example of one getting installed where they are actually in opposite positions.
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