If you want to learn more than I discuss about how these effect the feel of a bike take the UBI class or do some research. The feel parameters influence how the bike will feel or perform. The fit parameters are determined based on the body of the individual the frame will be for. You will be using this drawing to take dimensions and angles from so make sure it is accurate! I will be breaking most of the parameters used in frame design in to two categories fit and feel. However you decide to do it, you want an accurate drawing of your bike frame. You can use this model to lay actual tubing down on to see how things are shaping up.
#Desktop frame building full#
Doing it on a drafting table is convenient because you get a full scale 2-D model of the frame before you build it.
You can use any old CAD software, bike specific CAD or a drafting table. I will not go in to detail about bike fit. There are lots of different opinions, techniques and algorithms to sizing a bike frame to a specific rider. The first step in building a frame is to design the frame you intend to build. Here are some common acronyms I will likely use in this instructable: HT - Head Tube ST - Seat Tube TT - Top Tube DT - Down Tube BB - Bottom Bracket CS - Chain Stay SS - Seat Stay MTB - Mountain Bike They offer a really great way to learn frame building, I highly recommend you take one of their classes. Most of the information I give in this instructable I learned through the class and the literature they provided. I personally learned to build bicycles through the United Bicycle Institute frame building class. I recommend you learn to weld or braze from someone face to face and then practice (a lot).
#Desktop frame building how to#
It would be very difficult and beyond my abilities as a builder to try and describe how to effectively weld or braze. The steps leading up to the actual joining of the tubing are very similar for these methods so that is what I will be covering in this instructable. MIG, TIG, Lugged and Fillet Brazing are all common methods for joining steel bicycle tubing. This instructable is specifically about building steel bicycles frames. There are a growing number of materials and methods used to build bicycle frames.
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