Automotive Industry. Yeah, I know! The standards do not necessarily have to be detailed data sheets, zomo should at least be considered and noted in writing. Mouse over to zoom - Click to enlarge. Your email address will not be published.

For those interesting in motorcycle building, this post is worth to take a look. All the detailed steps of construction are represented in a neat, informative and comprehensive way so that you can capture all the pieces of information quickly and easily. I will take you to a further step with how to build a brat style bike.

I choose the brat style bike as an example. Finally, I will show you how to build a sidecar for a motorcycle. This is even a further step, offering you a great shelter to carry goods and friends. Two most common frame styles for motorcycles are sport bike frames and chopper frames. Among them, building a chopper one seem to be easier because many pre-made blueprints and designs are available for you to select and modify.

Thus, this way is more suitable for home builders and small motorbike shops. On the other hand, since a sport bike frame requires a lighter weight to be fast, builders have to deal with the combination of light materials such as titanium , aluminum, and carbon fibers. In addition, a chopper frame is categorized into two minor types: rigid frames and softail frames. Before purchasing any part, you need to make a detailed picture of what your frame will look like.

At that point, design is essential. All the components should be taken into account. For examples, what Build Your Own Motorcycle Frame Rate style of the tank, how high the seat should locate, what color for each part, etc.

If you know Photoshop or any CAD tool, use it. You pick the one you like and then customize it as the way you want. Also, there is an interesting and useful web-based app that I found on the Internet, allowing you to design your bike with zero designing skill. Check it at here. The process of producing DOM is quite similar to ERW; it takes a further step to take out the imperfections, making it stronger. You will need a wide range of equipment to create a motorcycle frame.

Here are some basics:. According to your design , cut all the tubes and axles exactly in terms of dimension. You will deal with the steering yoke, seat post, backbone, bottom rails, and more. Note that you should leave a few inches to each part in case of fitting or even mistakes.

The matching points are called miter junctions. In a motorcycle frame, there are many miter junctions like the seat tube and the backbone for examples.

The mouth fit can be beveled or flattened depending on the types of weld penetrations. As you match two or three tubes perfectly, you will be able to weld them perfectly. You will need a tubing bender to complete Build Your Own Wooden Climbing Frame Zoom this task. For a step-by-step bending process, check this video. The most serious problem is dimensional errors and angle errors due to incorrect measurements. Any of these issues could ruin your tubes, so be very careful. During the welding process, components could budge askew.

Thus, to keep the position and alignment, you should use some clamps, tacks or bars to fix everything. Watch this video for how to weld a motorcycle frame. It has a very specific kind of seat look like a banana. It was started originally by using a kind of skateboard-shaped seat before involving into more like a slab.

Cover the cardboard with the adhesive tape. Go from one side of the rail to the other side. Two adjacent pieces of tapes should be partially overlapped to make sure there is no gap. Cover the adhesive tape with the aluminum tape. This kind of tape helps to keep the resin from sticking to the cardboard. Cover the aluminum tape with multiple layers of fiberglass cloth about 5.

Resin will be the sticky material to attach the tape and cloth. Note: Another way to create a seat base is using a skateboard like an old-school style skateboard or some pieces of flat wood about 3. I suggest you use wood because this way allows you to fit the frame rails easier.

Draw the template of the seat onto the foam. The shape of the template must fit the seat base. The size of the template should be a little bit wider and longer. Stick the underneath surface of the foam and the over surface of the seat base with super glue.

Cover the foam surface with a piece of leather. You should choose thick leather. And of course, it must be waterproof. Stitch every 2 inches or so. Every plan should be started with a detailed design or blueprint. Some considerations that you should think carefully before and while sketching the sidecar frame for your motorcycle:.

For a very detailed guide on how to design a sidecar using CAD tool, you can refer here. According to your design, cut all the tubes and bars exactly in terms of the dimension. Note that you should leave a few inches to each part in case of fitting and even mistakes. In a sidecar, there are many miter junctions like the frame underway and the dome for examples.

The most serious problem is dimensional errors including incorrect measurement and angle errors. Once again, you will need to weld a lot. Typically, there are 4 mounting points that you need to handle respectively. They are lower rear mounting, lower front mounting, top front mounting, and upper rear mounting. Some form of jig is a practical necessity for fabrication in volume, or when dealing with tight tolerances, or both.

While it can seem like a lot of extra work, making a jig is within the grasp of the average home builder and can actually save significant time. When building without a jig, one relies on a tape measure, clamps, eyeballs, levels, and shims; great results can be achieved this way, but it requires skill and patience.

With a jig, the parts in a fabrication are held rigidly in the correct location. If everything is cut to the right size, assembly simply becomes a game of putting everything in the jig and welding it together.

The benefits for any fabrication in volume should be obvious. Even in one-off fabrications, a jig can provide advantages that more than make up for the time spent building it.

The DIY frame jig pictured is a perfect example of one such scenario, in which parts of the project - a Renault frame being repaired in this case - need to land in very specific locations which are not necessarily easily measurable in relation to the rest of the frame.

This frame jig guarantees correct placement of these points and also provides support for the work as portions are cut out and repaired. Jigs are not particularly difficult to construct. They consist of a strong frame and a series of attached "arms" that provide pickup points for the parts being placed in the jig. As in the Renault frame jig, structural members are used for the main frame components. Tube sections would be more typically used for their torsional strength, which helps the jig to maintain its form without external support.

Pickup points coming off of the frame will be specific to the project you are building on the jig. If you have access to the equipment and the time, consider machining these Build A Motorcycle Frame Jig Yoga parts, as they will end up more dimensionally accurate than a welded fabrication.

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