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So. Everything fits and and feels right. Now sandblast and put it all together one last time! Sent from my SM-N9005 using Tapatalk

Sorry for being silent for so long.... The "ultraligera" frame did not work out :(.. it kept on breaking, flexing and driving me crazy. So I've decided to step back on this and redo the project. This time I've used standard metric mild steel tubes that I could bend. So for two weeks I was...

I can tell you now that it is really comfy ride and my god is it smooth even with the wheels not properly centered. the thin steel tubing and big wheels absorb almost all bumps! It turned out better than I've expected. And because it's weights so little (i can hold it with one hand) it goes like...

I've decided to change the name of my build ;) Thank you Funkme for the cool idea.:41:

And here goes the video!

The wheels are 28 inch ( actually they call them 29 in mtb world), shimano alfine 11 hub in the back and a dynamo hub in the front. Tires are schwalbe big Ben 28x2 200mm disc brakes front and rear Noname cranks with 44 tooth An old cannondale saddle and a mtb bars. Sent from my SM-N9005 using...

IT was a long day but now I can take it to bikes meeting in Madrid this weekend. Then I'll have to paint the frame search for cool accessories and so on and so on... but it rides! I'll post a video as soon as I'll figure out how to do it. I really appreciate your support guys. Sent from my...

I've decided to not to give up so fast. On the day the frame broke i was really frustrated, but now I want to get it done one way or another.

Maybe someting like this? There's a "beer delivery bicycle" in BO X that has similar spring.

Geek mode on. When you braze things together you do it at high temperatures (for the material you are brazing) so there is some reaction between the base material and the material you are adding. So when you are brazing copper with tin you are actually making a thin layer of bronze. Geek mode...

There are many ways to braze tubes... you can use lugs or you can notch tubes to fit perfectly together. Than there are different materials to braze, depends on what material you are working with). For steel you would use brass which has a high melting point (about 800°C) if you add silver to...

Actually at no moment I was thinking about the spider. For me the thin legs were the wheels but with all the changes on the design I had to make now your idea suits the bicycle very well. Maybe some all mighty Daddy longlegs wanted a bicycle inspired in him so he made me do all the stuff I've...

Hey there! Actally I've decided to stop whining and start to work on the frame again. I've reinforced the broken joints with cut pieces of the same tubing. Cut them in half and inserted them inside the tubes to join. ( some kind of pipe fitting).Then I've changed the position of the middle tube...

Yeah it was a cool idea. But now I know that you can not braze 0.8 thin wall tubing in angle. There's just not enough contact area. I belive tig welding could do the trick but I don't have a welder. I'll keep looking for other options. Maybe I'll come up with something till the buildoff is over...

I guess I have to get some more practice. Maybe get a tig welder and get some practice with it and then do another attempt. For now I'll stick to modding ready frames. Sent from my SM-N9005 using Tapatalk

Bad news everyone! I have to dropout from this buildoff. My design + my brazing skills were not enough to make a good frame... today I've decided to make some resistance testing so I jumped on the seat to see what will happen. After the third jump the frame snapped in half. After lookin on what...

Maybe. I really don't know. But a recumbent low rider would be really low! Sent from my SM-N9005 using Tapatalk

About riding position.. I've read on Internet that the distance between the centre of BB and middle of the saddle should be a 85% ( I believe it was 85%) of the distance between your crotch and the ground ( you should wear your cycling shoes they say). So I've based the position on that. And it...

You are right it's really comfy ride position ( I still have to find cool looking handlebars) tomorrow I think I'll be able to make a test drive and post a video of how it look. Sent from my SM-N9005 using Tapatalk

So now it's straight run to the finish. The frame is sandblasted and has primer on. And I've decided to give it a rat look with white base colour. Sent from my SM-N9005 using Tapatalk