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Project SC300 Road Racer: Part 27 – Joining a Wang Gang

  • Erik Jacobs
carbon fiber trunk lid with red and white speckles on it and Soarer emblem visible
Here’s the final product – tons of little speckled dots in contrasting colors.

But there’s an end to this means, I assure you. And it’s not another innuendo. I don’t think. If you look back to the photo of Rob, he’s taking a photo. In fact, he’s taking dozens of photos. You see, when you take dozens of photos from different angles of the speckled car, you can then use some really fancy computering to stitch all of the photos together to build a really accurate 3D model of the vehicle.

The modeling service doesn’t come cheap, but it’s not horribly expensive either. At least you don’t have to buy a rack of servers with hundreds of computing cores. Rob took care of that part.

 

holding phone with one hand and extended tape measure in the other
Next, the measuring.

Rob takes a bunch of measurements of the backside of the vehicle to plug into his fancy computers.

 

man holding cellphone against metal line resting against and extended from car roof over trunk
I knew that hood prop / hard line would come in handy.

Here Johnny is using my hood prop to take the highest part of the roof line and extend it over the trunk so that Rob can measure the height of the roof in relation to the trunk. The ideal location for the wing is in the airflow that comes off the roof, but sometimes series rules dictate how high the airfoil can be. The phone is being used as an impromptu level.

 

phone resting on side on trunk lid with level measuring app visible
The level of the deck lid is then measured.

Yes, Rob is taking a picture of Johnny’s phone with his phone because Rob was using his phone for the measurements. Phonetastic.

 

holding hard line vertical against rear bumper and measuring angle at 90 degrees with a phone
Lastly, some vertical measurements are taken off the back bumper.

Rob takes all of the data, puts it in his magic computer with the photos, and pushes the magic button, and out comes a wing! OK, perhaps it’s a touch more complicated than that.

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5 comments
  1. joe says:
    December 25, 2019 at 3:29 pm

    @cmj re-read page two:

    “But there’s an end to this means, I assure you. And it’s not another innuendo. I don’t think. If you look back to the photo of Rob, he’s taking a photo. In fact, he’s taking dozens of photos. You see, when you take dozens of photos from different angles of the speckled car, you can then use some really fancy computering to stitch all of the photos together to build a really accurate 3D model of the vehicle.”

    https://motoiq.com/project-sc300-road-racer-part-27-joining-a-wang-gang/2/

    Rob is using a regular digital camera and then stitching 2D photos together using software to build the 3D model.

    Reply
    1. Avatar photo Mike Kojima says:
      December 26, 2019 at 12:27 pm

      @cmj re-read page two:

      “But there’s an end to this means, I assure you. And it’s not another innuendo. I don’t think. If you look back to the photo of Rob, he’s taking a photo. In fact, he’s taking dozens of photos. You see, when you take dozens of photos from different angles of the speckled car, you can then use some really fancy computering to stitch all of the photos together to build a really accurate 3D model of the vehicle.”

      https://motoiq.com/project-sc300-road-racer-part-27-joining-a-wang-gang/2/

      Rob is using a regular digital camera and then stitching 2D photos together using software to build the 3D model.

      Reply
  2. Def says:
    December 30, 2019 at 9:36 pm

    @cmj re-read page two:

    “But there’s an end to this means, I assure you. And it’s not another innuendo. I don’t think. If you look back to the photo of Rob, he’s taking a photo. In fact, he’s taking dozens of photos. You see, when you take dozens of photos from different angles of the speckled car, you can then use some really fancy computering to stitch all of the photos together to build a really accurate 3D model of the vehicle.”

    https://motoiq.com/project-sc300-road-racer-part-27-joining-a-wang-gang/2/

    Rob is using a regular digital camera and then stitching 2D photos together using software to build the 3D model.

    Reply
  3. cmj says:
    January 10, 2020 at 9:09 am

    @cmj re-read page two:

    “But there’s an end to this means, I assure you. And it’s not another innuendo. I don’t think. If you look back to the photo of Rob, he’s taking a photo. In fact, he’s taking dozens of photos. You see, when you take dozens of photos from different angles of the speckled car, you can then use some really fancy computering to stitch all of the photos together to build a really accurate 3D model of the vehicle.”

    https://motoiq.com/project-sc300-road-racer-part-27-joining-a-wang-gang/2/

    Rob is using a regular digital camera and then stitching 2D photos together using software to build the 3D model.

    Reply
    1. Erik Jacobs says:
      January 11, 2020 at 1:29 pm

      @cmj re-read page two:

      “But there’s an end to this means, I assure you. And it’s not another innuendo. I don’t think. If you look back to the photo of Rob, he’s taking a photo. In fact, he’s taking dozens of photos. You see, when you take dozens of photos from different angles of the speckled car, you can then use some really fancy computering to stitch all of the photos together to build a really accurate 3D model of the vehicle.”

      https://motoiq.com/project-sc300-road-racer-part-27-joining-a-wang-gang/2/

      Rob is using a regular digital camera and then stitching 2D photos together using software to build the 3D model.

      Reply

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