[NSRCA-discussion] Bad fuel
dwaynenancy
dwaynenancy at cox.net
Mon Jan 15 05:37:42 AKST 2007
You should get in touch with Joe Wagner as he has already done this
experiment. Here's his email, vecojoe at juno.com Dwayne
Fred Huber wrote:
> OK... running the experiment
>
> 8 oz fuel (supposed to be 30% heli fuel.. but sat for a long time)
> 4 oz water added.
> 1/2 tablespoon crystals. (overkill for the 4 oz water)
>
> Should know what it looks like in a couple of hours. It takes this
> stuff a while to do all the absorbing its going to do.
>
> ----- Original Message -----
> *From:* Fred Huber <mailto:fhhuber at clearwire.net>
> *To:* NSRCA Mailing List <mailto:nsrca-discussion at lists.nsrca.org>
> *Sent:* Monday, January 15, 2007 2:26 AM
> *Subject:* Re: [NSRCA-discussion] Bad fuel
>
> The freezing trick works to get water out of some oils... but not
> out of alcohols.
>
> Distillation or a molecular seive will get the water out.
>
> It would be a multi-stage distilation..
> Evaportaion would leave the oil behind.
> I'm not sure which evaporates first.. Methyl alcohol or Nitromethane
> Distillation is a big mess to set up to end up with the water out
> and get back all the fuel.. not cost effective to salvage 4 gallons.
>
> The molecular seive can be done 2 ways...
> http://www.ecn.nl/docs/library/report/2006/rx06023.pdf
> Or there's a "gel-crystal" which will absorb water but the alcohol
> molecule is too big. I am unsure if the water retention crystals
> you can get a the local garden supply (even at some grocery
> stores) is the correct stuff to separae water from alcohol (and
> oil.. but if it doesn't take in the alcolhol it probably won't tke
> in the oil). Its not very expensive ($14 gets enough crystals to
> absorb about 25 gallons of water) so its a viable thing to try.
> (If it doesn't work you can use the crystals in potted plants and
> your garden)
>
> I have some of the garden version gel-crystals... I guess I could
> dump water into 8 oz of some very old fuel I have and see what
> happens when I put the crystals in...
>
> I HAVE read reports of some version of gel-crystal stuff working.
> The question is where to get the correct stuff. (If this isn't the
> right stuff) If it works, the stuff is reusable... just strain
> out the gel blobs (sintered brass clunk/pickup wouldn't let the
> stuff through) then dry them in the sun.
>
> The garden stuff: 2 tablespoons of crystals makes over 1 quart of
> gel when its absorbed water.
>
> ----- Original Message -----
> *From:* Lance Van Nostrand <mailto:patterndude at tx.rr.com>
> *To:* NSRCA Mailing List
> <mailto:nsrca-discussion at lists.nsrca.org>
> *Sent:* Monday, January 15, 2007 12:23 AM
> *Subject:* Re: [NSRCA-discussion] Bad fuel
>
> Does this really work? The water that is in solution will
> separate and freeze?
> --Lance
>
>
> ----- Original Message -----
> *From:* Koenig, Tom <mailto:Tom.Koenig at actewagl.com.au>
> *To:* NSRCA Mailing List
> <mailto:nsrca-discussion at lists.nsrca.org>
> *Sent:* Sunday, January 14, 2007 4:23 PM
> *Subject:* Re: [NSRCA-discussion] Bad fuel
>
> Peter,
>
> Stick it in the freezer. The water will freeze, just skim
> it off.
>
> Tom
> -----Original Message-----
> *From:* nsrca-discussion-bounces at lists.nsrca.org
> <mailto:nsrca-discussion-bounces at lists.nsrca.org>
> [mailto:nsrca-discussion-bounces at lists.nsrca.org]*On
> Behalf Of *Peter Pennisi
> *Sent:* Monday, 15 January 2007 9:11 AM
> *To:* 'NSRCA Mailing List'
> *Subject:* [NSRCA-discussion] Bad fuel
>
> I have 4 gallons of 30% nitro fuel which was mixed
> with bad Methanol (unknown at the time) the rest
> of the ingredients were fine.
>
>
>
> I am assuming that moisture may have got the drum
> of methanol but I am not sure.
>
>
>
> Is there anything I can do to recover this fuel
> for at least sport plane use or do I count my
> losses and throw it out?
>
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