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Posted: Mon Sep 15, 2008 12:19 pm
by jimmy101
The plastic lids from coffee cans and the big ice cream tubs?
Vivit your local plastics supplier and get sheets of HIPS, ABS, PVC, Acrylic, ...?
Posted: Mon Sep 15, 2008 12:46 pm
by ALIHISGREAT
Where can one find said 4" aluminium couplings? (is it TRSsupplies?)
and as for burst disc ideas... well i can;t see many things working, maybe 2L drinks bottle plastic? (added bonus of the sprite/coke/whatever inside it
)
Posted: Mon Sep 15, 2008 3:04 pm
by MaxuS the 2nd
Indeed, TRSupplies.
http://www.trssupplies.co.uk
> Industrial Hose Couplings.
Posted: Mon Sep 15, 2008 7:25 pm
by clide
MaxuS the 2nd wrote:@D_Hall: Indeed. Although if I do eventually use Aluminium Foil, I will need like 200 hundred layers to take up to 100psi and not burst.
I believe D_Hall was referring to actual commercial burst discs. Although I imagine they would be significantly more expensive then something homemade.
You may want to search the Spudtech archives. IIRC DR made a 4" burst disk cannon.
Posted: Tue Sep 16, 2008 7:12 am
by JDP12
perhaps thin PVC- such as SDR 21???