Fillet brazed steel bikes, handcrafted in Oklahoma.

Boxes and chips

So I’m getting things rolling again after a winter slowdown. Boxes of stuff have been showing up and projects are being worked on.

First, is some nice tubing from True Temper that will make a geared 29er and a geared 650B. It’ll be my first 650B, so I’ll probably get myself a set of wheels and build my next single speed that size.

Next, boxes of parts and tooling.

Goodies from Paragon Machine Works and Enco industrial supply.

Now we have something I’ve been wanting to do for a while, and it took a 5/8″ ball end mill to do it.

I’ve used a wood form to bend my seatstays with until now, it works alright but it’s not an exact science and it can yield a few scrap pieces now and then.

So my plan was to build a set of dies to use with my arbor press, and without a rotary table for the mill I had to use a slightly more labor intensive method.

I bolted down the chunk and cut a groove with the 5/8″ ball end. Then, with the rear bolt acting as a pivot point I loosened the hold downs and rotated it just a tad. Tighten it back down and cut a groove slightly out of line with the first. Repeat until your groove is on a radius. Use a round file to make any final touches to the groove and you’re set.

Now the tube is completely supported on the inside of the bend area, and you’ll have a wrinkle free bend. I’ll be very happy to break this bad boy in on a pair of race bikes for my East Coat Test Organization (ECTO) or more commonly known as Flying Dog Racing of Fredrick, MD.

That’s it for today, more will follow fairly soon.

 

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3 responses

  1. Mo

    The beer folks?

    February 3, 2012 at 9:02 pm

    • edozbicycles

      Yeah, Flying Dog Brewery.

      February 4, 2012 at 3:29 pm

  2. Mike

    I love that your welcome mat is facing the door, welcoming you to the outside world! 🙂

    February 10, 2012 at 12:47 pm

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