Enclosures and housings
HVLA C-17 Cutaway Assembly
- Bounding box
- 20000.0 × 5200.0 × 4600.0 mm
- Engine
- Precision B-rep
- Parameters
- 28
- Published
- August 25, 2026
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The prompt
A parametric 3D CAD assembly visualization demonstrating the kinematic operation of the Hardened Vertical Logistics Airframe (HVLA) dual-tier structure inside an aircraft fuselage cross-section. 1. CONTEXT (BOUNDING ENVELOPE): Render a high-resolution, translucent cutaway profile of a high-wing military strategic airlifter (C-17 profile) cabin. Display the aircraft's primary structural frames, skin, and overhead ceiling infrastructure (crane rails and winches). The fuselage cutaway must provide 4.1 meters internal vertical clearance from the floor. 2. AIRCRAFT FLOOR MECHANICS: The primary cargo floor must be modeled with standard 463L pallet tie-down track geometry. The HVLA structure is securely fastened to this grid via standard mechanical interface hardpoints. 3. KINEMATIC DUAL-TIER ASSEMBLY (MOTION): The HVLA system must be modeled as a fully articulated assembly, not a static render. It features two distinct, movable structural decks: - Define a prismatic joint (vertical constraint) that allows the elevated UPPER DECK platform (which must hold a military payload) to actuate linearly. - Define a simultaneous, reciprocal kinematic constraint that causes the LOWER DECK CASSETTE (trench-locking mechanism) to compress or expand vertically based on the Upper Deck position. - The prompt must specify kinematic interaction where moving the upper deck down causes the lower deck trench mechanism to reduce its volume. 4. VEHICLE PAYLOAD SPECIFICATIONS: On the moving elevated UPPER DECK, model a single, detailed Land Rover Wolf (TUL/TUM HD) utility vehicle, modified specifically for air transport configuration to fit low-headroom clearances: - Model the vehicle in a special "air transport configuration": - The front windshield assembly is folded 90-degrees FORWARDS, resting flat on the engine hood bonnet. - The modular roll cage protection system is completely DISASSEMBLED and stowed horizontally alongside the vehicle body to further reduce total height. - Model standard low-profile air transport suspension compression settings. 5. OUTPUT DETAILS: - Render the system at 45-degree isometric front cutaway perspective. - Show component bodies (Fuselage Cutaway, HVLA Lower Cassette, HVLA Upper Deck, Land Rover Wolf (AT Config)) as distinct solid bodies. - Include kinematic visualization indicators showing the 1.0m+ cleared safety headroom remaining beneath the aircraft ceiling infrastructure when the vehicle is stowed.
Parameters
| Name | Value | Range |
|---|---|---|
| Fuselage Internal Vertical Clearance | 4100 mm | 3500 – 5000 |
| Fuselage Inner Width | 5200 mm | 4500 – 6000 |
| Fuselage Skin Thickness | 100 mm | 50 – 200 |
| Number of Structural Frame Ribs | 5 mm | 2 – 8 |
| Crane Rail Ceiling Offset | 200 mm | 100 – 400 |
| Cargo Floor Length | 20000 mm | 15000 – 25000 |
| Cargo Floor Width | 5000 mm | 4000 – 6000 |
| Cargo Floor Thickness | 400 mm | 200 – 600 |
| 463L Tie-Down Track Count | 5 mm | 2 – 10 |
| Tie-Down Track Width | 60 mm | 20 – 120 |
| Tie-Down Track Depth | 30 mm | 10 – 80 |
| Hardpoint Count | 8 mm | 2 – 16 |
| Hardpoint Pad Size | 200 mm | 80 – 400 |
| Hardpoint Pad Height | 50 mm | 20 – 120 |
| HVLA Lower Cassette / Upper Deck Elevation | 500 mm | 250 – 900 |
| HVLA Upper Deck Thickness | 300 mm | 100 – 500 |
| HVLA Lower Cassette Length | 5500 mm | 4500 – 7000 |
| HVLA Lower Cassette Width | 2800 mm | 2200 – 3500 |
| Prismatic Guide Post Size | 120 mm | 60 – 200 |
| Upper Deck Platform Length | 5200 mm | 4500 – 6500 |
| Upper Deck Platform Width | 2800 mm | 2200 – 3500 |
| Land Rover Wolf Length | 4500 mm | 4000 – 5000 |
| Land Rover Wolf Width | 2000 mm | 1800 – 2200 |
| Land Rover Wolf Height (Reduced) | 1800 mm | 1500 – 2000 |
| Folded Windshield Thickness | 80 mm | 40 – 150 |
| Stowed Roll Cage Length | 3500 mm | 2500 – 4500 |
| Stowed Roll Cage Width | 400 mm | 200 – 600 |
| Stowed Roll Cage Height | 500 mm | 200 – 700 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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