Schwarttzy.com
Skydiving, H3 Hummer, & WordPress
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Latest posts
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Prototype H3 Cargo Storage Deck with Optional Drawers – Overland Ready
The parts for the new H3 Overland Cargo Deck finally showed up today. I got so fired up I dropped the whole system into the back of the H3 with zero bolts, and it’s already sitting solid and working better than I expected. Bolts and the heavy-duty drawer slides land tomorrow,…
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Hardware That Matches the Winch Mount
Most winches show up with a bag of soft, under-spec bolts that look fine on the showroom floor and start looking questionable after a few seasons of mud, salt, and real pulls. I got tired of that long ago. Every Schwarttzy Hidden Winch Mount ships with a complete, properly…
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Stronger Spam Defense: reCAPTCHA V3 for Jetpack 1.23 + Pro 1.6
You’ve been running reCAPTCHA V3 for Jetpack long enough to know the drill. Invisible scoring, fewer form submissions from bots that can’t even pretend to act human, and the occasional reminder that the internet is still full of people (and scripts) with nothing better to do.…
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Fixing Electrical 2nd-Hand ARB CKMTA12 Air Compressor
Even in Moab, after a full day of off-roading, I got tired of hunting down a reliable air compressor just to fill up the tires. That’s why I picked up this ARB CKMTA12 high-output twin air compressor second-hand off Facebook Marketplace. I thought it was new in box, but it…
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Alpha P/Steering Pump 25932020 Discontinued: Alternatives & Fixes
For owners of the 2008-2010 Hummer H3 Alpha with the OEM V8 (5.3L), the power steering pump assembly represents a key component in the hydraulic steering system. The factory part, GM 25932020 (which supersedes earlier numbers 20810993 and original 15867424), integrates the pump…
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The Temporal-Spatial Unification Model: A Time-Flow Framework for Resolving Singularities and Cosmic Expansion with AI-Assisted Development
Authors: Eric J. Schwarz, with contributions from Grok (xAI) Submission Date: July 18, 2025 AbstractThe Temporal-Spatial Unification Model (TSUM) presents a novel theoretical framework that redefines gravitational phenomena as manifestations of a time flow tensor () and spatial…
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Eastwood Plastic Resurfacer Matte Black
I can’t get enough of the Eastwood Plastic Resurfacer Matte Black Aerosol Spray Paint with UV Resistance—it’s hands-down my go-to for bringing the H3 Hummer’s plastic bits back to life on my rig. The roof trim on my H3 was starting to look like it’d been baked in the sun for a…
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2nd Gen H3 Rock Slider
The 2nd Generation Rock Sliders for the H3 Hummer from Schwarttzy.com represent a leap forward in off-road innovation, blending rugged durability with clever design enhancements. Crafted with a modular approach, these sliders feature a lightweight yet tough 3/8-inch 5052…
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H3 Rock Slider Prototype: Fitment and Refinement
This video provides an update on the ongoing development of the 2nd-generation H3 Hummer Rock Slider and its subsequent truck variant, the H3T. Recent testing of the rocker panel protection has confirmed the perfect fit and production-readiness of all brackets and ribs. While…
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H3 Hummer: 2nd Gen Rock Slider Prototype Development Update
This video provides a development update on our second-generation H3 Hummer rock sliders as of July 24, 2024. The prototype showcased is a partial section used for initial measurements and adjustments. The production model will extend the full length of the vehicle’s rocker…
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Unveiling Innovative H3 Hummer Rock Sliders
We’re thrilled to announce that our second-generation H3 Hummer Rock Sliders are nearing production. Building upon the success of our original design, we’ve focused on addressing key issues and introducing significant improvements. Key enhancements include: We’re confident that…
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TPMS Sensor & Keyless Entry Fix H3 Hummer
Earlier this year, I began experiencing intermittent keyless entry issues and a persistent TPMS warning light, despite recent tire sensor replacements. Initially, I assumed the two problems were unrelated and replaced the keyless remote battery, but this did not resolve the…