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What ratio should a Moon Sweepers factory use?
The published machine cycles imply 2 Pressure Chambers to 5 Stone Presses at continuous full output. PlayerEcho instead recommends a practical 1-to-2 block with spare sand for belt and splitter lag. A theoretical material balance is not a universally optimal factory layout.
The numbers people paste into a calculator
Pressure Chamber and Stone Press figures below are community specifications, not an official balance sheet. PlayerEcho independently repeats the 5 kg/12 s and 1+1 kg/6 s cycles recorded in Fextralife. A chamber therefore makes 25 kg of sand per minute, while one press consumes 10 kg per minute: 25 ÷ 10 = 2.5 presses, or an integer block of 2 chambers and 5 presses. These rates are arithmetic from the quoted cycles, not new measurements.
PlayerEcho recommends one chamber with two presses in practice. On the same cycle figures, that leaves 25 − (2 × 10) = 5 kg of sand per minute spare for belt and splitter lag. This is the documented difference between the balanced 2:5 ratio and a practical 1:2 layout; no source cited here establishes that the machine recipes themselves have no fixed ratio.
A splitter is 1-in/2-out with no ratio dial. A 1-to-4 tree uses two layers but three splitters: one in the first layer and two in the second. At the published $5 each, that is $15 in splitters, excluding belts. PlayerEcho describes splitting in halves so the presses at the far end receive material. A backed-up buffer may reflect too few presses, a power shortage, a blocked belt or a capsule on the wrong machine input; buffer growth alone does not prove which one.
| Machine / layout | Input | Output | Cycle / derived rate | Power | Source status |
|---|---|---|---|---|---|
| Pressure Chamber | 5 kg dust | 5 kg sand | 12 s; calculated 25 kg sand/min | 10 kW | Cycles: 2 independent publishers (Fextralife + PlayerEcho); power: Fextralife, 1 source |
| Stone Press | 1 kg sand + 1 kg dust | 2 kg stone | 6 s; calculated 10 kg sand/min consumed, 20 kg stone/min produced | 18 kW | Cycles: 2 independent publishers (Fextralife + PlayerEcho); power: Fextralife, 1 source |
| Theoretical balanced block | 2 chambers feed 5 presses; direct dust supply also required | All chamber sand consumed at quoted full-speed cycles | 25 ÷ 10 = 2.5 presses/chamber | Calculated 2 × 10 + 5 × 18 = 110 kW | 2 independent guides (PlayerEcho + Moon Sweepers Guide app); calculated from published cycles |
| Practical buffered block | 1 chamber feeds 2 presses; each press also needs direct dust | Calculated 5 kg sand/min surplus at quoted full-speed cycles | 25 − 2 × 10 = 5 kg/min spare | Calculated 10 + 2 × 18 = 46 kW | PlayerEcho recommendation, 1 source; practical layout, not a different recipe |
| 1-to-4 splitter tree | 1 incoming line | 4 outgoing lines | 3 splitters in 2 layers; calculated $15 at $5 each | — | Layout: PlayerEcho; $5 unit price: Fextralife, 1 source |
Power layout next to the machines
One Stone Press plus one Pressure Chamber draws a listed 18 + 10 = 28 kW. At the quoted maximum of 16 kW per Solar Tracker, two trackers total 32 kW: 32 − 28 = 4 kW of nominal headroom before any other loads. The pair costs $600 at $300 each. An extra twin panel is not required merely to cover that 28 kW arithmetic. Actual output still depends on daylight and placement within power range.
Two trackers supporting one press and one chamber do not also establish enough power for the full 2:5 block, whose listed machine draws sum to 110 kW, or for the 1:2 practical block at 46 kW. Solar Array is listed at 0 kW and adds nothing to these sums. Battery capacity and the disputed night duration are separate from daytime rated power; this page does not derive an unmeasured overnight runtime.
Questions
What is the stone sand ratio?
The quoted Stone Press cycle uses 1 kg sand plus 1 kg dust. Chamber output divided by press sand input gives a theoretical 2:5 machine ratio; PlayerEcho recommends a practical 1:2 block with spare sand.
Does this site include a calculator?
This page supplies a static table of published machine cycles, source status and explicit arithmetic. It does not include an interactive calculator.
Sources
- Fextralife Stone Press (current access restricted; retained from dated research) — checked 2026-11-10
- Fextralife chamber (current access restricted; retained from dated research) — checked 2026-11-10
- PlayerEcho: Pressure Chamber and Stone Press Ratios (full page) — checked 2026-11-10
- PlayerEcho: conveyors, splitters and mergers (full page) — checked 2026-11-10
- Moon Sweepers Guide app: automation and 2:5 balance (full page) — checked 2026-11-10
- Fextralife Solar Power (current access restricted; retained from dated research) — checked 2026-11-10
- Fextralife Conveyors and Machines: $5 splitter (current access restricted; retained from dated research) — checked 2026-11-10
Related: Stone Press · Splitter · Solar