Recumbent Tadpole Trike: Posts on Velomobilforum p.1

I am again looking at a DIY Tadpole Trike. Perhaps this time I can manage to do a little bit of writing without this system crashing and deleting my work.

I am going to make this particular chapter a part of the ongoing forum exchanges with the Velomobilforum online. This is a German forum so I believe I will post there in German and here in American. This way if someone on that forum wishes to view this in English they can and anyone viewing here at the blog can follow along. I will use a translation program to interchange. Google translate or something similar will be doing the machine translation since I do not speak German. https://www.velomobilforum.de/forum/index.php?threads/eigenbau-xyz-spaceframe-vehicle.33109/page-24 is where this conversation is currently being held.

This forum is the best I was able to find for working on the n55 space frame tadpole trike. The trike is a sport version of a cargo trike built in Europe for moving loads. See picture below.

I will be adding more with this title and changing the page number as we go. Ceeann ttfn

Comments

Recumbent tadpole trike: Posts on Velomobilforum p.8

Hello Hein, Titan Wolf, trike like (Martin?) and Stephan (shs2_de) It has been a couple of weeks since I was able to remark on what I have been doing with the idea of a tilting space frame trike and I have some things to share. I have built another new prototype of a tilting mechanism and have already come up with a new version. Interestingly enough my newest designs bears a great resemblance to what Stephan (shs2_de) worked on with his suspension system at the beginning of this forum file. It may be interesting to Stephan and others to see a modification of that suspension system. I have also spent a considerable time with my husband and a friend remodeling our 2 bathrooms as well as working overtime… Sigh real life… enough said on that subject. Before I much go on I want to address a couple of comments from Wolf. I read your comment on obstacles in the road and thought about that in terms of tilting and locking the tilt mechanism. First I think that a tilting trike (1 st te...

Recumbent tadpole trike: Posts on Velomobilforum p.6

Recumbent tadpole trike: Posts on Velomobilforum p.6 Hello sheng-fui, I understand about translations since I must use one for German! I think I would miss so much without the translation as I found out the first time I looked at the forum with the machine translation. So German on Velomobilforum and American on my blog… Perhaps I will get it right the first time! ;D So on to leaning trikes. I think I came up with a better geometry for the XYZ Leaning trike than what I presented but I am having real difficulty putting it into 2 dimensions. To solve that I am making a prototype in plywood. It will hopefully help me visualize. Maybe my prototype will let me take pictures that make sense instead of sketches and text descriptions. I believe what I have in mind is a bit like the Chike trike without suspension. I think the Chike trikes are awesome! I think these trikes use a fairly common geometry. The nose rotates and with a modified wishbone they are supporting balance wi...

Recumbent tadpole trike: Posts on Velomobileforum p.10

I have recently built about 4 possible versions of the tilting mechanism I have beem toying with in my very informal test stand. Here are some pictures of the one I think will work the best. This is pretty much like I think it will be on the actual trike. The orientation on the outer tilting assembly may change a bit but it will be very similar to this. The shocks that are visible should be the ones I use. The tilt arm on the center shaft will be very similar. At this point I have gotten the general outline of what I want to do sketched out in my mind. I have another bathroom to work up and a garage shop to work up before I get back to this little project. Time to get some of the things I put off during the winter done so I can get back to the trike. The things I have been figuring out lately have been the way to get my steering kingpins made and I think that by using a female heim joint and a longer bolt with a spacer to hold the extension of the...

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