Prater’s Theory gains weight with the ideal spool invention, having a 21% advantage over a wheel for moving heavy blocks that make up the pyramids.

The Lattice Rig

Utilising this type of rig, “which I didn’t know what to call”, achieved 13 tonnes for dropping a theoretical 10.25-tonnes, in some situations making it better than the A-frame for constructing the pyramids.

The rig can be used on any ramp gradient, including a 52-degree pitch, like the sides of the great pyramid.
Using it up-right, this is how the lattice rig works.

When the spool tips the balance in favour of the pulling source, it wants to travel towards the load, as this is the spools easiest route.

There is a loss in the distance as the spool moves down but is compensated by the upward blocks, travelling further than the loss. The rig’s real advantage is that 0.25-tonnes brings the spool back up to its starting position, equalling a weight gain of 2.5-tonnes or using it manually, 2.75 tonnes for every cycle of the spool. This is vertically lifting and not lifting the weight up a ramp, which is far easier, with the ramp taking a proportion of the load.

I have tested the lattice rig on a few slopes, all giving a 21% improvement over the A-frame. The spool of the lattice rig also gives a 21% improvement over a wheel, so I would never use a wheel to move weight, as they are far too restricted and can not gain weight like a spool.

Putting weight on one side of a standard wheel would not be able to lift anything on the opposite side unless it weighed less than itself.
If both weights were unequal, the heavier one would fall to the ground, and equal weights would balance, which you’d expect.

The lattice rig is different. The spool’s fixed axle is held by guide ropes, allowing it to rotate and move freely.

These rigs are relatively quick at moving blocks and would keep up with the pace of a 25-year program, and if speed was the issue, the rigs could be used all around the perimeter of the pyramid, lifting 2.5-tonne blocks, sitting on rollers, straight up, on all four sides of the pyramid.

The advantages are clear to see using a rig like this, especially on small gradients, such as a 7.5 or 2-degree slope, and by utilising the spool’s smaller circumference, more weight could be moved. Connecting the ropes from two spools together, gearing the pyramids, large granite blocks, could be moved easily.