CLAMPED !
I mentioned the likely need for sky-hooks when I added the sub-base for the top station. I had a think and studied the incline frame trying to work out a plan of action.
I cut the outline of the top station foot-print as it is at the footpath / station entrance level, made and attached a vertical "wall" to connect to the lower Patio level. Then tried to offer them up to the incline frame and track.
First I put the frame onto my Workmate bench, and realised that it was not upright!
Checked the bench for level, packed the feet, and wedged the fixed (non- moving) part of the work surface to become a firm, level base, fortunately wide enough to easily support the frame which was then clamped to it.
A new square (oblong!) spacer was made to correct the out of squareness of the uprights, which was probably due to a small amount of warping / twist since they were made a year ago, despite being varnished.. A whole array of clamps were employed to cater for any possible movement while the PVA dried.
The top station horizontal sub-base needed a support and a bracket was glued to the frame, another clamp and a lot of fiddling with the spirit level !
Two more brackets were made to support the sub-base for the patio area and also glued and clamped to the frame. If I make many more additions to the frame I could hang baubles and use it at Christmas!
The whole station sub-base is shown here just placed loosely on the frame and its brackets but the top and the patio bases are not yet connected, while I think about how to incorporate the drive and control bits and pieces, and I suppose that I should be sourcing those soon.
I realise that having written about a patio area you may not have a clue about the site, so here are a couple of pictures taken from one of the carriages while descending the incline during my visit a couple of weeks ago.
Next, however, I need to tackle the lower station sub-base and the main baseboard. The out of square problems in the last couple of days has made me realise that I need to take a lot of care with the carpentry.
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