Archive for March, 2007

measuring tube wall thickness

It’s pretty important when building a frame that you know where where the butts are.
A frame tube normally has a thicker part at each end. Although the outside of the tube looks the same along it’s length, the internal diameter varies. This essentially allows you to make a tube which is very light (thin in [...]

that’s weird

I’m sure there was a “Gary’s Bike (part 4)” post. It had a drawing of the frame with wheels and bars etc. It was sort of minty green. It’s not here no more. Weird.
UPDATE: thanks to the google cache it’s back

Gary’s Bike (part 5)

Got all the parts for Gary’s bike gathered together.
Ready to be cut mitred and prepped.
Here’s a sneak preview!

making stuff up as you go along….

In my day job (programmer), we’re pretty ok about diving into something and ’spiking’ something out to see if an idea’s got wings or if it’s just dumb. It’s easy to do this with something like programming as the cost of change is really low. In other words if you spend a couple of hours [...]

Gary’s Bike (part 4) (the return!)

Somebody asked me if I had a way of visualising a full bike when designing a frame. The answer is yes. The drawing I posted earlier was a stripped down drawing that makes it easy to read dimensions. It’s also possible to produce the drawing with more detail. Even including a view with a rider [...]

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