Science & Physical Mechanics Guide | Gliders™ Wetsuit Assist
🔬 PCT PATENT PENDING • PHYSICAL MECHANICS & COULOMB MATH

Product Design, Physics &
Operational Mechanics Guide

A technical deep-dive into Coulomb friction mathematics (μ = 0.05 vs 0.60), radial squeezing equations ($N = k \cdot t$), internal contact surface area reduction, and bi-directional 3-layer donut lock doffing physics.

Engineering Specification

Anatomy & Structural Geometry

Every element of Gliders™ is engineered to withstand marine salt exposure and guide tension away from stitched seams.

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Visual Color Differentiation

Distinct arm vs leg sleeve colors per size pack allow fast visual identification in windy, cold changing environments without confusing arm vs leg taper.

Visual Differentiation
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Stress-Relief Taper

Tapered geometry guides pulling force away from stitched seams. A short seamless leading edge takes initial stretch tension, preventing seam blowouts under heavy load.

Seam Relief Engineering
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Reinforced Flap & Eyelet

The narrow leading tip features an internal polyurethane flap extension with a marine-grade stainless steel eyelet that will not rust or stain gear.

Marine Grade Stainless
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Printed Ruler Scale

High-contrast letters (G-L-I-D-E-R-S) are printed vertically down the outer fabric. Acts as a visual stop mark during dynamic surface area shortening.

Visual Reset Marks
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Anchor Bag & Clip

A textured mesh bag equipped with a marine carabiner. Serves as an anti-slip ground mat during the Heel-Trap anchoring method and flat-packs your complete kit.

Anti-Slip Ground Mat
Coulomb Equations

The Mathematics of Neoprene Friction

Calculating dry rubber-on-skin drag vs double-layer fabric sliding mechanics.

Physics & Force Calculations
Total Frictional Resistance
Ff = μ · N
Friction (Ff) = Coefficient (μ) × Normal Pressure (N)
Radial Squeezing Multiplier
N = k · t
Normal force (N) scales linearly with suit thickness (t)
Combined System Drag Equation
Ff = μ · (k · t) · Acontact
Drag force is a function of friction, thickness, and contact area (Acontact)

When pulling bare skin through dry neoprene, dry rubber friction is extremely high (μ ≈ 0.60). As suit thickness (t) increases from 3mm to 7mm+, radial squeezing pressure (N) multiplies exponentially, creating up to 210 N of peak entry drag on 7mm cold-water suits.

Double-Layer Fabric Interface: Gliders™ create a smooth fabric-on-fabric sliding layer (μ ≈ 0.05), cutting peak entry drag down to just 17.5 N (-91.7% force reduction)!
Surface Area Reduction Mechanics

Controlling Contact Surface Area (Acontact)

High radial compression clamps down over every square inch of trapped fabric beneath a tight wetsuit cuff. Keeping 18+ inches of fabric squeezed under high normal force creates massive cumulative drag.

1. Full Insertion Phase:

Protects skin all the way through the leg or arm channel up to bicep/knee (Amax).

2. Pull Reset Phase (Ruler Marks):

Drawing fabric out to target letter marks (E, D, G) reduces active internal surface area (Acontact) beneath the cuff seal down to just a few inches, breaking the cuff lock instantly.

For visual ruler stop mark calibrations and target letters, see the Master Pro-Tip Guide.
Doffing Mechanics

Unraveling the 3-Layer "Donut" Lock

How bi-directional dual-layer sliding solves hands & feet binding during wetsuit removal.

🍩 The Problem: Compressed 3-Layer Donut Lock

Peeling Inside-Out Creates Trapped Folds

When peeling a wetsuit off inside-out, the narrow cuff slips against bare skin and forms a small fold or wrinkle. As the outer suit layer rolls over this fold, it traps the wrinkle underneath itself—forming a compressed 3-layer donut (1 base skin layer + 2-layer fold wrinkle).

High Dry Rubber Friction (μ = 0.60) The 3-layer ring locks tight against skin and resists flipping into a single layer, trapping hands and feet.
The Gliders™ Solution: Bi-Directional Slide

Stored Elastic Energy Unravels the Ring

Gliders™ feature two ultra-low friction fabric surfaces (μ = 0.05) that slide smoothly over each other in both directions simultaneously.

✓ Automatic Single-Layer Transition Tension and elastic potential energy stored in the pulled neoprene automatically unravels the donut back into a smooth single layer—hands & feet pop out effortlessly in seconds!
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