Reversing Entropy · βίντεο

Τι καλύπτει αυτό το βίντεο

A Spectra Cape Horn Extreme with an oversized membrane costs $12,000–$15,000 new; the same function can be replicated for under $500 using off-the-shelf parts.0:24 The video strips a watermaker down to its core: an SW30 reverse osmosis membrane (typically a DuPont Filmtec 2540, ~$350 from a reputable supplier), a high-pressure pump, a five-micron pre-filter, a needle valve, a pressure gauge, and a parts-per-million sensor.3:00 The Spectra system uses a Clark pump — a pressure intensifier, not a true pump — to reach the ~800 psi needed to force water through the membrane, achieving 55 liters per hour on two SureFlow motors at 4.2 W/L, or 32 L/h on one motor at a more efficient 3.6 W/L.5:18 Removing one of two membranes confirmed that membrane size is the primary bottleneck; prioritizing membrane surface area matters more than motor count.9:06 Replacing the Clark pump with a $50 Lidl pressure washer still produces 33 L/h but at ~30 W/L — six times less efficient.14:25 Fake DuPont Filmtec membranes sold on Amazon under the "DAO" label are flagged as a known problem.4:07 Running one motor slowly through two membranes is more energy-efficient than running both motors simultaneously.8:48

Περισσότερα από το Reversing Entropy

ePropulsion eLite Review: I Paid Full price.Ιουλ 2026I Created This Sailing Block. You Found a Secret Feature!Μαΐ 2026Had to Reinvent the Sailing Block (To Replace Them All)Φεβ 2026These are still your best option. (Flexible Solar for Sailing)Φεβ 2026

Από Reversing Entropy — δείτε το σκάφος του καναλιού, το πλήρωμα και κάθε αναλυμένο βίντεο.

The Sailing Directory Newsletter

Ένα email με τις καλύτερες ανακαλύψεις του στόλου — τις στιγμές, τα σκάφη και τις ιστορίες που αξίζουν τον χρόνο παρακολούθησής σας. Εισάγετε τη διεύθυνσή σας για να λάβετε το δικό σας αντίγραφο.