[EMS Discuss] nitrous oxide

Rick Osgood rick at richardosgood.com
Thu Feb 13 15:22:54 PST 2014


Thanks Greg I'll keep it in mind.  I'm specifically interested in building
a hybrid rocket engine this time but I might be able to learn something
from him about his nozzle making process.  I'm hoping to learn to use the
EMS lathe for this project though, once I get to that stage.


On Thu, Feb 13, 2014 at 3:13 PM, Greg Norman <normgr00 at yahoo.com> wrote:

> I have a friend that makes rocket engines with percalsium chloride if you
> want to go the solid fuel route, AKA flash power. He's the other guy on my
> pumpkin chunk'in team. I think he made a batch of the stuff using an
> electrolytic process in his bath tub using a jug of bleach, other
> chemicals, a car battery charger and copper plates for electrodes. He forms
> rocket nozzles that stand the heat pretty good with engine gasket putty
> from a car parts store. ABS is often used for his casings. Some of these
> rockets were of the size he took out in the desert so they wouldn't hit
> anything if they failed.
>
> He also makes uhh... we'll call them sonic identifiers out of the stuff.
> My ears are still ringing.
>
> He would be happy to share what he learned and I can put you in contact if
> interested. Actually he wants to talk to someone at EMS about quad copters
> too.
>
> Greg
>
>   ------------------------------
>  *From:* Rick Osgood <rick at richardosgood.com>
> *To:* Bob Miller <kbob at jogger-egg.com>
> *Cc:* discuss <discuss at eugenemakerspace.com>; Ben Hallert <ben at vipmail.com>
>
> *Sent:* Thursday, February 13, 2014 1:18 PM
> *Subject:* Re: [EMS Discuss] nitrous oxide
>
> That should work for getting the n2o.  I just need a tank to store it in.
>  I checked Autozone's website and they sell 10lb and 15lb "tank kits" but
> they are like $500!  That's ridiculous.  I don't need anything specialized,
> just a tank that these guys can fill.  I'm curious why those kids are so
> expensive.  Maybe they are special light weight tanks or something.
>
>
> On Thu, Feb 13, 2014 at 12:27 PM, Bob Miller <kbob at jogger-egg.com> wrote:
>
> Garage 808 has nitrous filling.
> http://garage808.com/?page_id=270
> Sent from my phone.  No type good.
> On Feb 13, 2014 11:35 AM, "Benjamin Hallert" <ben at vipmail.com> wrote:
>
>  This sounds like a cool project. If you have a bottle, you might be able
> to check with industrial welding supply to see if they would fill it. If
> you are up for experimenting with very small quantities, cooking supply
> stores often have nitrous oxide in little cartridges that look like CO2
> cartridges for BB guns.
>
> A couple of years ago, I spent a week or so drawing and dreaming about
> building a rubber fueled, nitrous oxide oxidized hybrid rockets to mount to
> the trailer hitch on my car. It wouldn't produce very much thrust and the
> size I envisioned, but I would technically have a rocket car for a little...
> - Ben
>
>
> On Thu, Feb 13, 2014 at 11:30 AM, Rick Osgood <rick at richardosgood.com>wrote:
>
> I've been thinking of trying to build a hybrid rocket for a while now.  I
> want to use nitrous oxide as my oxidizer but I don't have much experience
> buying or using industrial gasses.  Does anyone know a place in town I
> would likely be able to purchase a small canister of the stuff?  I imagine
> it might be difficult because of it's potential negative uses.  I'm hoping
> someone here might have some experience with this.
>
> Thanks,
> Rick
>
>
>
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