I want to state upfront that I advise against building a trike that is bolted together rather than welded. I speak from many years of hands on experience as a metal fabricator and weldor. Although I have lots of experience in many facets of welding I took to “repair welding” more than anything else and I have done a lot of it. I share that because many many times I found myself having to repair weld many items that someone had simply bolted together and discovered it did not hold up. Bolts and nuts come loose, bolts break, holes wear and get sloppy. And it has been my observation that most metal projects people bolt together are made too light of duty and are likely to fail because of it. I understand that not everyone can weld. And some that do should never attempt it as they do very poorly at it. I highly recommend that you have a qualified weldor weld your trike together. Don’t go the route of using bolts to hold it together. And as a highly experienced metal fabricator I need to say that in my opinion this trike shown in these videos  is way “underbuilt” and likely to fail.


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An 18 year old Malaysian boy decided to fabricate a tadpole trike. His story and the trike is featured in this YouTube video.

no weld tadpole trike

Here is the video description:

This video shows my journey how I begin my recumbent trike project. It’s starting from a school project, then I continue it as my personal project. Through the years, it has undergone many changes.

And here is the video:

I admire his determination to accomplish this undertaking. I understand that he is limited in what is available to him as far as the matter of this trike being “no welding construction”. I do want to insert here that fabricating a trike which bolts or rivets together is not desirable as bolts and rivets work loose and they break. Such fastening of the various parts allow those parts to move about and trouble will eventually be experienced. Just having such movement results in loss of efficiency. Trikes really need to be welded together. I hope his trike is somehow an exception to this and gives him many years of great service. His accomplishment is to be commended. May we all …