3D preview of Speeco TTX Aero Extension
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Interactive 3D model of Speeco TTX Aero Extension

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Speeco TTX Aero Extension

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Bounding box
143.9 × 318.3 × 115.8 mm
Engine
3D Printing B-rep
Parameters
31
Published
November 4, 2026

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Free to download and use. See the terms.

The prompt

that is not at all like the reference Speeco TTX extensions I gave you as an example

Parameters

NameValueRange
Extension length280 mm120 – 400
Rear airfoil chord46 mm25 – 80
Mid airfoil chord42 mm20 – 80
Tip airfoil chord30 mm15 – 70
NACA thickness ratio0.16 mm0.08 – 0.3
Truncated trailing-edge thickness1.6 mm0.5 – 6
Chord taper transition0.55 mm0.1 – 0.9
Tip vertical rise22 mm0 – 80
Upsweep start position0.62 mm0 – 0.85
NACA points per side20 mm8 – 60
Loft sections36 mm5 – 60
Rise above the base bar72 mm0 – 120
Riser completion fraction0.26 mm0.05 – 0.6
Centre distance of the pair84 mm40 – 160
Pad length115 mm40 – 220
Pad width60 mm30 – 110
Pad height12 mm4 – 30
Pad corner radius6 mm0 – 20
Pad centre along extension0.4 mm0.1 – 0.8
Pad height above blade mid-plane1 mm0 – 10
Mount position along extension0.7 mm0.3 – 0.95
Plate thickness6 mm2 – 15
Plate depth44 mm20 – 90
Overlap onto each blade6 mm2 – 20
Quarter-turn disc diameter34 mm20 – 60
Base bar diameter31.8 mm22 – 40
Clamp wall thickness4 mm2 – 10
Clamp width along base bar20 mm8 – 40
Radial clearance0.3 mm0.1 – 1
Overlap with airfoil body1.5 mm0.5 – 4
Clamp bolt hole diameter5.5 mm3 – 10

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.

Speeco TTX Aero Extension - Free CAD Model (STEP, STL) | TextoCAD