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Project GD STI, Designing a Stoptech Rear big brake kit with BD Engineering

  • Mike Kojima

Nikita used an Artech Leo scanner to scan our parts.  He said that this is one of the best scanners for these sorts of jobs and that it costs around 30k!  After seeing it in action it is worth every penny.

Next, the Stoptech caliper was scanned.

Finally, the rear suspension, caliper, and parking brake assembly were scanned.  We thought we would have to disassemble the corner of the car and scan each piece individually but Nikita said it would not be necessary.  Nikita also scanned the caliper mounting hardware.

You can see the pre-processed 3D renderings that the Leo did of our parts!  To oldtimers like us, this is amazing.  I mean, we would make napkin sketches, then do a simple stick CAD drawing, then make a sheet metal test part to confirm fitting, then have the part machined and test fitted.  Maybe try to make a 3D-printed test part before machining.  I asked Nikita if he was going to make a test part with his 3D printers and he rolled his eyes and said “Please”.

Related

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Related Topics
  • Subaru
  • Stoptech
  • Big Brakes
  • big brake kit
  • 3D Printing
  • Subaru STI
  • BD Engineering
  • 3D Scanning
  • reverse engineering
  • additive manufacturing
  • CNC machining
  • Subaru GD STI
  • GD STI rear big brake kit
Previous Article
  • Acura
  • NSX
  • Projects

Project NSX: Part 19 – Designing a Crank Position Sensor and Knock Control

  • Billy Johnson
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WATCH: 11,000 RPM Toyota 4AG Engine Build!

  • Jeff Naeyaert
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5 comments
  1. Khiem Dinh says:
    July 3, 2023 at 1:52 pm

    They’ll fit! When you have that high resolution and quality of scan, it’s basically like working with the native 3D cad models. Excited to see how this turns out.

    Reply
  2. Spec R says:
    July 8, 2023 at 1:01 am

    whats wrong with the factory Brembos (that all the fanboys love)?

    Reply
    1. Avatar photo Mike Kojima says:
      July 9, 2023 at 6:49 am

      We are running much bigger brakes as the car has 2x the power of the stock STI.

      Reply
  3. Mitch says:
    July 11, 2023 at 12:18 pm

    Is 7075 the best material to use? What others would work?

    metallurgy is a fascinating topic.

    Reply
    1. Avatar photo Mike Kojima says:
      July 11, 2023 at 3:42 pm

      For something that isn’t welded yes.

      Reply

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