ND Miata Canards (dive plane)
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Bill of Materials
- 18-8 Stainless Steel Hex-Drive Flat Head Screw, M4 x 0.7 mm Thread Size, 12 mm Long x 8: 92125A192 (McMaster-Carr)
- 18-8 Stainless Steel Nylon-Insert Locknut M4 x 0.7 mm Thread, 7 mm Wide, 5 mm High x 8: 93625A150 (McMaster-Carr)
- 18-8 Stainless Steel General Purpose Washer for M4 Screw Size, 4.3 mm ID, 9 mm OD x 8: 93475A230 (McMaster-Carr)
Description
This model I designed in Solidworks was based on the Verus Engineering Canards (Dive planes) for the ND (4th gen) Mazda Miata. I was able to create a low poly model of my car to do some basic CFD testing on this to show that this model actually created a bit of front end downforce.
Printed in Bambu ABS for the final version with some acetone vapor smoothing done to it as well. I modeled some screw holes into this for mounting to the car. The holes fit Stainless Steel Hex-Drive Flat Head Screw, M4 x 0.7 mm Thread Size, 12 mm Long screws with matching washers and nylon lock nuts on the inside of the bumper.
Install instructions:
- Mark holes using the provided holes on the model at your desired location.
- Use a 11/64" Drill bit to drill through bumper. Make sure not to drill through all layers just one.
- Take off wheel and DRL assemblies from inside the wheel well.
- Using the washers and nylon lock nuts, install the canard.
USAGE UPDATE: I published this original late January 2026 when I installed this on my vehicle. These have held up well since then (currently April 5, 2026) through many different spirited driving events up to speeds of about 120mph.
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