Gears and transmission
MAF03C MR-625 — Corrected GA 3D CAD Blower (Version 2)
- Bounding box
- 2395.0 × 1291.1 × 1874.0 mm
- Engine
- Precision B-rep
- Parameters
- 26
- Published
- November 5, 2026
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The prompt
Major geometry rework of previous model using re-inspected Marvel Air Flow 13 Aug 2026 GA. True T-shaped foundation frame: 1000x346 motor runway and 900x892 full-width fan frame (overall 1900x892), 8xØ17 anchors, asymmetric snail/scroll profile extending past right side of base, Ø400 suction through Ø500 flange 12xØ14 holes PCD456 with damper and slats, offset top 410mm square discharge and bolted 510 square flange, 50 HP motor low LEFT of fan, realistic inclined V-belt guard, corrected 330mm motor and 300mm fan pulley ratio for ~1600 RPM fan, bearing pedestals, seals, lifting lugs, inspection door and drain. Undimensioned detail is illustrative. 7500CMH, 500mmWC @250C specified but not fan curve validated.
Parameters
| Name | Value | Range |
|---|---|---|
| Overall base length | 1900 mm | 1800 – 2000 |
| Overall base width | 892 mm | 850 – 950 |
| Foundation C channel height | 125 mm | 115 – 135 |
| Foundation channel nominal width | 65 mm | 55 – 80 |
| Blower centre x from base start | 1450 mm | 1370 – 1530 |
| Blower shaft height above floor | 975 mm | 925 – 1000 |
| Impeller diameter (illustrative) | 980 mm | 900 – 1050 |
| Impeller blade count (illustrative) | 10 | 8 – 12 |
| Fan casing axial width | 558 mm | 530 – 580 |
| Scroll shell nominal radius | 820 mm | 780 – 860 |
| Sheet thickness (illustrative) | 6 mm | 4 – 10 |
| Inlet clear diameter | 400 mm | 390 – 415 |
| Inlet flange outer diameter | 500 mm | 485 – 520 |
| Inlet flange PCD | 456 mm | 445 – 465 |
| Inlet axial projection (representative) | 167 mm | 145 – 220 |
| Outlet square clear aperture | 410 mm | 400 – 425 |
| Outlet square flange OD | 510 mm | 500 – 530 |
| Outlet flange mounting height from floor | 1856 mm | 1800 – 1900 |
| Motor axis X from base end | 370 mm | 290 – 450 |
| Motor axis height above floor | 305 mm | 290 – 335 |
| 50 HP motor body diameter (estimated) | 350 mm | 330 – 400 |
| Motor body length (estimated) | 286 mm | 270 – 340 |
| Fan sheave diameter (estimated) | 300 mm | 275 – 330 |
| Motor sheave diameter (estimated) | 330 mm | 305 – 355 |
| Belt guard offset | 18 mm | 12 – 30 |
| Flange bolt hole diameter | 14 mm | 14 – 18 |
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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