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megabusa

Member Since 16 Nov 2007
Offline Last Active Jul 21 2019 09:33 AM
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Posts I've Made

In Topic: Drying stars

16 October 2017 - 12:46 PM

I've always dried all my stars naturally, in the garage even in the winter.

 

They may take a few weeks but all the moisture eventually will come out without the risk of becoming driven-in caused by heat.

 

When I was making stuff, I used to use the weighing method. Stars spread out on a frame of wire mesh & weigh it every few days. When it stops losing weight, they are dry.


In Topic: Star Formulas

16 October 2017 - 12:38 PM

The new stars worked better despite humidity really getting to them. Still very slow but they did actually feel damp. Burned more like a vibrant yellow firefly. Not giving up yet. I'll just have to dry them in a warm air box and then bag them up in a ziplock with a sachet of silica gel. May even pop them in a bag inside the rocket header.

 

Don't force-dry them too quickly or the moisture will get 'driven in' & they will never dry.

 

I found stars with a high charcoal content would dry after about 3 weeks without any added warmth.


In Topic: Star Formulas

09 October 2017 - 12:55 PM

Yep, as Martyn says you have to use a star gun.

 

I have tested many stars that looked almost 'dud' on the ground, but come to life when fired in the air.


In Topic: Composition for this type of fountain

31 October 2016 - 10:57 AM

Dragons eggs are used for the crackle.


In Topic: A&K Application problems review...

24 June 2016 - 09:51 AM

Not sure if you have considered this but it would be more flexible if they would recognise different forms of competency proof.

 

For example, I am registered as a senior firer with the BPA. I would hope this shows some form of competence. I know it doesn't prove anything from the chemistry aspect but it does from the point of handling explosive / dangerous materials & the relevant safety related to them.

 

However, many people don't fire professional shows & only use consumer fireworks in addition to experimentation, so they may not have this, so other methods would be needed.