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@452 Card posted:

Hello Gene,

What distance apart did you arrange the clips? Say, on a 4 ft. I-beam, or a 3 ft. I have an AR 8 x 16 with both 3s and 4s. The 2 footers I think should not count, at least for each one of them. Curious to know. This could become expensive!

Thnx

I forgot to mention, my layout was originally a 4x16 and I added the 2’ to the length. So there’s a short 2’ I-Beam on one whole side which obviously didn’t need any clips.

Gene01448C30-40E6-42A2-B633-D03B81A8A845

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Not a lot done this week. We will finish the plywood and hopefully get the lift bridge motorized by the end of next week.

I have bought a gallon of brown paint the cover plywood. I put out some track to see if it agrees with the spot for the transfer table (it does!).

Lastly, I put the switches and special track pieces inside their roadbed.

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Moving forward..........slowly......but, moving forward!

Peter

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Last edited by Putnam Division

With the help of my good modular group friends......things are starting to roll!

1st, I needed another 3 ft I-beam for my transformer shelf. I had these extra cantilever beams which I no longer needed......I adapted two of them to become a new I-beam.

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Last Friday, Tom (Gilly@N&W) came over and we finished the plywood decking. The Lift Gate motor was hung (but is not connected-a project for a future session).

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This week, I will be sanding the edges; filling the gaps with plastic wood; more sanding; and then, painting the plywood with an earth brown color.

Peter

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Peter, thanks for the Ross endorsement.

FWIW, I used to use plastic wood in this application,  however, early on I found that a Portland based feather finish like Ardex or Henrys feather finish product available at HD's flooring dept or any floor covering supply house troweled on easier, spread further to correct wide spread irregularities, dried hard, was easily sanded, dried quickly, and less expensive than plastic wood and had an indefinite shelf life if kept dry.

If at all possible please consider a layer of Homasote.  It is an feature some may question, but you will never regret.

I would never build a layout without Homasote.

Last edited by Tom Tee

Peter,  You may like to check with GRJ's layout build.  When we did the Mianne lift gate we found some needed points that required extra attention.

John goes into detailed explanation on improving the control and correcting pulley/cable alignment and function.  Great operating upgrade !

I found that subtle floor irregularities would throw off flush deck alignment.  Short levels just did not pick up the end result of the slight irregularities.  Multiple irregularities accumulate over a distance that ultimately affect a smooth flat consistent surface along the length of the joining edges.

As soon as I set an 8' level over the Mianne we noticed the source of the lift gate deck misalignment.

That Mianne lift gate is kind of nice but in some aspects it is a work in progress.

Last edited by Tom Tee
@Tom Tee posted:

Peter,  You may like to check with GRJ's layout build.  When we did the Mianne lift gate we found some needed points that required extra attention.

John goes into detailed explanation on improving the control and correcting pulley/cable alignment and function.  Great operating upgrade !

I found that subtle floor irregularities would throw off flush deck alignment.  Short levels just did not pick up the end result of the slight irregularities.  Multiple irregularities accumulate over a distance that ultimately affect a smooth flat consistent surface along the length of the joining edges.

As soon as I set an 8' level over the Mianne we noticed the source of the lift gate deck misalignment.

That Mianne lift gate is kind of nice but in some aspects it is a work in progress.

Thank you!

Peter

@Tom Tee posted:
If at all possible please consider a layer of Homasote.  It is an feature some may question, but you will never regret.

I would never build a layout without Homasote.

I can attest to the benefits of Homasote!  My main level is very quiet, my second level didn't get Homasote, and I'm kinda sorry I didn't adjust the build to add Homasote to it when I could.  I solved some of the noise issue with butyl rubber sound deadening panels under the wood, but the Homasote would have done a better job.

Tom, the two pieces that are an addition to the stock liftgate install are these two upgrades.

The first is expanding the control switches to have one on each side of the liftgate instead of the single clumsy big yellow control.

Mianne Lift Gate Control Expansion

The second enhancement to me was a major improvement in reliability of the lower limit switch.  When you see the lame toggle switch and angle iron limit switch that comes with it, it's easy to see why they can get out of whack easily and cause a major issue with the cable unspooling.  This only has to happen to you once to realize it's a big problem!

Mianne Lift Bridge Lower Limit Switch Enhancement

Finally, here's the diagram of the stock liftgate servo system for the curious.

Mianne Lift Gate Winch Wiring Diagram

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