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Date: Thu, 19 Jan 2006 18:57:22 -0700
From: Dale Rogers <dale.r@cox.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Lead in Gasoline
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FWIW dept. 
   The lead in leaded gasoline is actually a compound: Tetraethyl Lead -
hence the old (1950s) designation for premium gas "ethyl".  I used to
have to ask customers of my dad's filling station, "do you want regular
or ethyl?"

Dale R.
COZY MkIV #1254
http://members.cox.net/rogersda/Products.htm

Ed Anderson wrote:

> Interesting subject - lead in gasoline.  I briefly scanned a somewhat 
> technical article on the use of lead in gasoline.  If I understood the 
> chemistry, the lead atoms/molecules  actually forms some type of link 
> with the hydrocarbon molecules of the gasoline.  The lead is then 
> release during the combustion process and it functions by absorbing 
> heat of the flame front and thereby slowing down the combustion 
> process and preventing detonation.
>  
> In other words, its not simply metallic  lead dissolved in gasoline - 
> at least as best I understood the explanation.
>  
> Ed
>
>     ----- Original Message -----
>     *From:* Russell Duffy <mailto:russell.duffy@gmail.com>
>     *To:* Rotary motors in aircraft <mailto:flyrotary@lancaironline.net>
>     *Sent:* Thursday, January 19, 2006 4:29 PM
>     *Subject:* [FlyRotary] Re: Fw: Lead Solvent or Cleaner
>
>     (Warning, the following comes from someone who'd rather undergo
>     shock therapy than attend a chemistry class)
>      
>     If the lead was originally in gasoline, wouldn't gasoline work as
>     well as anything else to dissolve lead?  How about an ultrasonic
>     cleaner filled with gasoline, if that can be done safely.  No,
>     don't "borrow" your wife's jewelry cleaner either :-)
>      
>     Cheers,
>     Rusty (RV-8 on the way, equity asset already gone)
>