Category Archives: Projects and Builds

Twin I-Beam Kingpin Knuckle part 2

                  The prototype kingpin I-beam knuckle is complete.                       Kingpin knuckle with spindle and kingpin bushings pressed in.         … Continue reading

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Twin I-Beam Kingpin Knuckle part 1

Over the week end I was able to get back to the Twin I-Beam project. I machined the top and bottom of our prototype kingpin knuckle. I had already machined out the mid section a couple weeks back. Here are … Continue reading

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Summit Machine Aluminum Links

Pictured are few different Aluminum Links in various shapes and sizes. On the left is a Tie Rod for a Class 1 Desert Racer, the mid section is necked down for weight reduction. In the middle is a monster 2.5″ … Continue reading

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Twin I-Beams Part 2

Richard just posted these pictures of the welding on the I-beams. So I thought I should share.

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Twin I-beams Part 1

The sheet metal for the I-beams is all cut and bent. A little bit of cleaning and prep work and they will be ready to weld.

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I-Beam Ends Part 5

The I-Beam Ends are finished.

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I-Beam Ends part 4

It was a good thing I made a test part before cutting into the real ones. On the first attempt the side hole was a little too far away. The second attempt was too close and on third I was … Continue reading

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I-Beam Ends part 3

Now for the tricky part. The distance from the side hole and the kingpin bore is extremely critical. Before round the end and bore the kingpin hole on the beam ends, I’m going machine a test part to make sure … Continue reading

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I-Beam Ends part 2

I have the front and the back sides machined. A significant amount of weight was saved by machining out the pockets in the front and back. The piece of 4130 before any machine work weighed in at 23.3lbs. and now … Continue reading

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I-Beam Ends part 1

I was able to work on the I-Beam ends for the Class-8 build over the holidays. They were machined from this 23lb. piece of 4130.    

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