1995 Explosif Eastbourne

[FZRIP]

Post in thread 'Operation Caustic - Completed'

Sep 13, 2024

I may have to resort to this myself on a fire mountain. I know this is probably a daft question but could you explain how you went about this. Many thanks.

It was all a bit Breaking Bad…
Here’s a pic of the set up, I messed around a bit to get a system I was happy with. I was desperate not to damage the paint, it’s already a bit iffy but good enough to keep.
I used caustic at around 35/40g to 200ml water.
Bunged up the end of the seat post with blu-tac or plasticine. Poured the caustic into the seat tube via a funnel piped to the bottle cage mount. Once the tube was full to the...

• FZRIP

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[shepp]

I found a less concentrated solution worked the best. It seems a more gentle, longer reaction.
The higher concentration was way too aggressive, it was spitting and splatting all over the place.
I think it took 2/3 evenings of dosing, no paint damage at all.

That’s going to be my process. Measured total volume and a 3:1 ratio. People seem to use 2:1. Any idea what you did? Thanks

 

[shepp]

I found a less concentrated solution worked the best. It seems a more gentle, longer reaction.
The higher concentration was way too aggressive, it was spitting and splatting all over the place.
I think it took 2/3 evenings of dosing, no paint damage at all.

Just seen your post on it. Great job and thanks for writing it up!!