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  1. Q

    Free 1994 fuji folding bike...

    I have a 1994 fuji folding bike it need tlc if anyone wants it... mostly sun damage. LA county here...
  2. Q

    Tilting Quad Velomobile

    I was thinking thin parts with 10-15 mm of over lap. Then glue and seal with resin or the like. or even a buck/ mold for parts
  3. Q

    Tilting Quad Velomobile

    I wonder if 3d printed nose pieces would be lighter than fiberglass...
  4. Q

    Three-wheelers. Trikes & Velomobiles

    What about duct tape???
  5. Q

    Anyone poor metal molds or other fabrication techniques that are not common?

    I was thinking a fiber compost of some sort. maybe not carbon... I am 6ft and have a very long torso. So I cant go out and buy a seat for a recumbent. I have tried my dads catrike 700... and I think I need to get a taller head rest. My whole Idea is doing parts that are super unique looking...
  6. Q

    Anyone poor metal molds or other fabrication techniques that are not common?

    I do a lot of cad/ 3d design. 3d printing... also like ceramics... One of the techniques involves lost wax casting using 3d printed parts. Sand molds would be great too. I think these have potential for making complex designs. for strut arms, steering knuckles, clamps, wheel axes maybe. Even...
  7. Q

    Three-wheelers. Trikes & Velomobiles

    Great video. Lots of interesting facts and concepts. I am interested in doing an off set trike. For a slower fun bike for Burning man. I would love to see more videos about the tadpole geometry and suspension... it is fascinating.
  8. Q

    what welder do you need for steel or AL?

    anyways... I am going to be learning welding from scratch again... I havent welded in a decade... and my frist build is going to be a crazy bike for burn... Here is my current welder... pun intended... welding is the thing I dont know enough about is this good enough to weld steel for bikes???
  9. Q

    what welder do you need for steel or AL?

    Well you can find services to do al heat treating And you under estimate my creativity. 7005 seems to be the go to for having a low heat treat temp and time. Also My minor is in 3d arts AKA ceramics. what we want is a larger glass kiln. They easily get to 1500f Another option is to cast sand...
  10. Q

    what welder do you need for steel or AL?

    Btw if you want to learn weld and fab AL this is the guy to watch... https://www.youtube.com/@RonCovell also the catrike factory vids are fun to watch... especially when you see the custom extruded pieces.
  11. Q

    what welder do you need for steel or AL?

    Catrike is a 5 year.... just based on what its used for I would say 6061 as thats common for bikes... Ya.. I forgot about what lugs are but I know common AL grades. My ar uses 7075
  12. Q

    what welder do you need for steel or AL?

    Do you still think tig is well worth it
  13. Q

    what welder do you need for steel or AL?

    I looked up lugs... I was oh right... I forgot those are called lugs. You relearn something everyday.
  14. Q

    what welder do you need for steel or AL?

    What do you mean by lugs... I dont know all the lingo... and I can out design most peoples pants off. I just need to know wheel and pivot angles. I already have an idea for my crazy out-rigger tadpole. mainly I dont know where i want the height of everything or the seat placement or how I want...
  15. Q

    what welder do you need for steel or AL?

    Well I got the ability to redesign. and I normally work in 10ths of mm or hundreds some times. I wish I had access to a mill and lathe and proper tube bender. We would kick out some nice bikes.
  16. Q

    what welder do you need for steel or AL?

    I have made things that are metal private toys.... aka I have designed and done a few runs of lightsabers.
  17. Q

    what welder do you need for steel or AL?

    What strange things do you make besides bikes.???
  18. Q

    what welder do you need for steel or AL?

    Hey... I would like to build a bike or 5 but I only have an old stick welder buzz box. its older than me. I would love to do an AL frame. because their lighter and there is a ton of AL frames to work with. What does everyone suggest? Also is brazing an option with AL? My strong suit is 3d...
  19. Q

    Full suspension trike design and build.

    Well... I need to design a bike then think about welding AL... Which means I need a proper tig... or I can just steel myself. And do steel frame because a tig welder is pricey and I got a stick buzz box. My nasa certed welder I go to for welding retired.
  20. Q

    Full suspension trike design and build.

    I was looking a grade 9.. I thought was the stuff you are supposed to use for structural
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