passfire from whistle mix fountain

[johnnypyro]

I can now reliably make whistle mix/5%Ti fountains and would like to have a passfire from the bottom of the fountain.

 

For bp based fountain it's simple enough to drill a hole and add the (fast) visco before ramming the composition.

 

Can I do the same when pressing the whistle mix? I'm just a bit concerned about the high densities of the whistle mix if pressing around the visco.

 

Any tips?

[Richtee]

Eh... what’s the worst that could happen? Try it. I can’t think anything catastrophic could happen

[davidh]

For a multi tube fountain, it might be easier to just use a length of visco as a time fuse between each tube. This also lets them overlap just slightly. This is what you see in many commercial products.