Re: [RBW] Socketed Seat Lug on a Hunqapillar

2018-07-11 Thread Surlyprof
I don’t think it would be any stronger but I’m not sure how much that would matter. When Grant showed me the 3D printed prototype, I thought it was a stroke of genius. If you consider where forces are being applied to a bike frame, that’s the one of the few joints where the compression force

Re: [RBW] Socketed Seat Lug on a Hunqapillar

2018-06-30 Thread iamkeith
Only asking this because I'm naturally curious about and interested in such things - not such use I have any actual experience: A fillet joint wouldn't really be the alternative here, would it? I thought the alternative was the "spoons" type connection, where a shaped piece is socketed into

Re: [RBW] Socketed Seat Lug on a Hunqapillar

2018-06-30 Thread 'Clayton' via RBW Owners Bunch
I would think that the socketed seat cluster would be stronger and heavier. There is quite a bit more surface area for the brass/silver to adhere to, in the sockets and on the ball. Clayton #DirtDanceDesigns On Saturday, June 30, 2018 at 4:25:13 AM UTC-7, Peter White wrote: > > It's easier

Re: [RBW] Socketed Seat Lug on a Hunqapillar

2018-06-30 Thread hugh flynn
I would argue the sockets make cutting the tubes easier and faster (straight cut vs miters), allow the stays to be wider apart to accommodate wider tires without bending/shaping, and as Peter notes assemble more quickly via brazing vs filet. In other words, I suspect the lug caps accommodate

Re: [RBW] Socketed Seat Lug on a Hunqapillar

2018-06-30 Thread Peter White
It's easier to get a fillet wrong. I got one wrong when I was building frames 20 years ago and it cracked. If you get the fillet right it can be lighter and more attractive. But if I were designing a frame to be inexpensive to make and strong, I'd forget about using fillets. On Fri, Jun 29, 2018