[psas-avionics] Smoke generators...

K kwilson at cs.pdx.edu
Thu Oct 7 14:22:03 PDT 2010

Since we need only about 5-10 seconds of smoke
(Skywriting isn't really on the menu) could we
just drown a glo-plug in a small tank of 'fog-fluid'
(glycol/water) and control it with a relay? (This
probably needs a less expl--um--messy design cycle...)

Here is nice overview of smoke generating technology...
(On a *different* wiki)
(Yes, yet another excuse to play with LN_2)

Typical(?) MSDS for commercial fog-fluids:

On 10/07/2010 01:07 PM, Dave Camarillo wrote:
> Humm, bummer, I was hoping it would be an easy COTS part... Well, we
> were talking about the possibility of using a RC glo-plug as a heating
> element, so perhaps the COTS pump in conjunction with the glo-plug would
> do the trick....
> On Thu, Oct 7, 2010 at 1:00 PM, Aaron Burt <aaron at bavariati.org
> <mailto:aaron at bavariati.org>> wrote:
>     On Thu, Oct 07, 2010 at 12:12:11PM -0700, Dave Camarillo wrote:
>     > So at one point we were talking about putting a smoke generator on the
>     > rocket above the control surfaces so that we could see the aerodynamic
>     > affects of the canards and fins. I came across a COTS smoke generator
>     > online, it would be pretty cool if that were on board the rocket...
>     Note: that's only a pump for injecting oil into the muffler of a 2-stoke
>     hobby engine.  Won't work so well without a heat source.
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