Utility Bicycle 2

I went for chromoly 4130 all the way. Seat stays are zona and rack tubes are gara. I will post full spec on materials once I get near a computer. But if you want to read about my thoughts and choices you can use google translate to read the Danish build thread perhaps.

Dropouts are cut from stainless steel btw and brazed with cobra. Everything else is brazed with sif101 and cycle design low fuming bronze flux

Impressive stuff, loving it.

Lovely work, really. Put something heavy on it and show us.

;)

Put something heavy Hippy on it and show us

.

Amazing work.

What are these by the way:

?

Fantastic. A fillet brazed cargo is surely the most blingy thing. You rock.

And lighter than a Bullet!

God, threads like this just make me weep when I think what I spend my time doing.

Amazing work.

What are these by the way:

?

rose joints for the kick stand and steering rod.

I know them as heim pivots. But they are from go kart steerers

Ridiculously impressive. Bravo sir!

Thank you

threads like this are amazing, and a testament to the talent of some of the people on lfgss

i feel embarrassed that i just buy parts and attach them to bikes, building a frame, and one so complicated from scratch is amazing

It is only complicated because information available about brazing is slim. I will do my best to try and share my thoughts and progress with brazing and construction. Basically anyone can make a frame if you invest in a hacksaw, descent files, bevel protractor and torch and gas. I will start investigating the possibilities of using propane instead of acetylene this year. Basically you can half the price if you can use propane instead. And you would actually be able to make cargo frames in your bedroom.
Also if anyone I interested in the rhino files I'd be happy to share them.

I think the posters over on velocipedesalon would enjoy this.

Is fixie-king your guys Danish hipster/cyclocross/roadie douchbag club? I want to join.

Yeah Fixie king is lfgss in Danish more or less. :-)

I am a member of velocipedesalon, but haven't really used it, as it is a little messy. At least seen from the outside, but maybe I should spend some time reading posts there and maybe share some images.

Light, home made, fillet bazed, Bullet.
I woulnd't bother click on that in the classified.

Amazing , thanks.

Those pics no work... :(

It is only complicated because information available about brazing is slim. I will do my best to try and share my thoughts and progress with brazing and construction. Basically anyone can make a frame if you invest in a hacksaw, descent files, bevel protractor and torch and gas. I will start investigating the possibilities of using propane instead of acetylene this year. Basically you can half the price if you can use propane instead. And you would actually be able to make cargo frames in your bedroom.
Also if anyone I interested in the rhino files I'd be happy to share them.

Would be extremely interested to see if you can, and how.

Would you have to use silver rods at the lower temp of propane, or do you reckon propane could get hot enough for brass?

The difficulty of getting Acetylene, not know what mixture to use, worry about using such a dangerous gas in ignorance, and the expense of materials have put me off trying, but a documented thread showing the details that others more knowledgeable take for granted would be a much better incentive to give it a try!

What was the purpose of the models? Did you do stress tests to pick the best design?

Tester was this trolling? Srsly hope so.

It ended out like this

Needs gears, paint and som slight modifications

Wow. Just wow. That looks amazing. Well done.

I agree with someone above. It seems a shame to paint it, although there is probably no other way. The black rims and hubs look great against the raw tubes.

Thx. I like rat bikes as well. Only way is to use stainless steel or TI. But stainless will require silver rods and together with stainless tubing that would make it more or less unpayable. Titanium will require TIG welding. I have tigwelded a bike before, but find no pleasure in that type of joinery. My main goal is to hack the bike industry. I want to make descent, light utility bikes from cheap steel. I will be more than happy to share my ideas and approaches and get some feedback from you guys.

Superb! Bravo!

Tester was this trolling? Srsly hope so.

No, it was a serious question. Sometimes it's easier (for some people, anyway) to make a model and handle it to get a feel for where the weak points of a structure are. Me, I'd be all over the thing with Bow's Notation because that's just the way I was brought up, but Lego/Meccano/drinking straws/etc work better for other people.

No, it was a serious question. Sometimes it's easier (for some people, anyway) to make a model and handle it to get a feel for where the weak points of a structure are. Me, I'd be all over the thing with Bow's Notation because that's just the way I was brought up, but Lego/Meccano/drinking straws/etc work better for other people.

he's an architect. models is how he works.

Før fedt..

I would love to start bulding as well. The only thing that keeps me back is that my math-incapable brain would melt over all the angles when calculating miters and such. The front triangle is pretty straight forward i guess, but the seatstay-seattube cluster and such. Ugh.

Might give it a real go though. Got so many ideas.