Losing weight – new and old

Gazzetta

A mate recently bought a new-old bike, a vintage Collage complete with Drillium chainrings.  It started me thinking about the contrast in visible approach between then and now.

I mean, one black tube is much the same as another.  OK you can admire the carbon layup where the manufacturer leaves the weave visible – and I have seen some pretty dreadful examples in the area of the seat tube to top tube joint and head tube integration – but that aside, how do you admire or even tell one tube from another?

Back in the day it was very different.  Drillium was plain to see both in the quality of the workmanship down to the “how far dare you go”.  Chainrings and brake levers were fair game and even rear mechs but I’ve also see seat posts drilled to a hairsbreadth from oblivion and also stems.  Not sure I’d want to go that far!

All this ignores the question as to whether drilling holes in things makes them less aero anyway and so may actually have a negative impact.  Whatever, many examples were and are works of art that we don’t really see with carbon.

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MangoDave
MangoDave(@mangodave)
April 3, 2020 12:15 am

I went through the do it yourself phase of drillium about 30 years ago. I’ll have to see if I have any photos. My technique was, er, sub-par. So were the results. I had a seatpost bolt that broke and lead to a crash. Crank arms looked great but eventually failed. Bar ends (a MTB thing) whistled in the wind at certain speeds, which I’m sure did not provide an aero advantage. Interestingly, my engineering professor at the time had a son who was a bike racer. It was the early days of finite element analysis, and they figured out… Read more »

MangoDave
MangoDave(@mangodave)
April 3, 2020 10:37 pm
Reply to  Teocalli

I posted this photo a while back as a throw-back in another topic. If you zoom in, you can see my drilled out seatpost, cranks and chainrings. Young and dumb – and a confirmation of how poorly executed it was.

_DSC0687.jpg
Quasar
Quasar(@quasar)
April 7, 2020 10:23 pm
Reply to  Teocalli

Looks very sensible to me…

sthilzy
sthilzy(@sthilzy)
April 7, 2020 8:59 am
Reply to  MangoDave

Bestest days ever!

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