<VV> Aviation fuel (gas) in Corvairs

[Jim Houston]

Auto gas ...  there are also a lot of STC (Supplemental Type 
Certificates) out there that let people use Auto gas in their 
certificated airplanes (Cessna 150/172, Piper Cherokee, etc)..  lots 
cheaper that $5.60+ AVGAS!!!

Jim Houston
'65 Monza Coupe

cfm wrote:
> if a dude uses a Corvair engine on his/her plane for a power plant, what would they use for gas?
>
> --- On Tue, 12/2/08, Bill Elliott <corvair at fnader.com> wrote:
> From: Bill Elliott <corvair at fnader.com>
> Subject: Re: <VV> Aviation fuel (gas) in Corvairs
> To: "John Kepler" <jekepler at amplex.net>
> Cc: "'VV'" <virtualvairs at corvair.org>, "'Russ Moorhouse'" <corvair65 at verizon.net>
> Date: Tuesday, December 2, 2008, 2:02 PM
>
> It's possible (and even likely)  that I'm out of date, but I thought 
> that the most common avgas was still 100LL and has about .5g of lead per 
> liter (or about 4 times what regular leaded gas had) .
>
> If modern avgas is only 87-91 octane AND has lead, then why in the world 
> would you want that for a Corvair over 93 unleaded?
>
> Easier ways to get octane? Every track I've been to sells high octane 
> unleaded.... and my local gas station sells high octane leaded CAM2  
> (though I'm not certain what the lead percentage is, I thought that it 
> was similar to the older regular leaded street fuels)
>
> Bill
>
>
>
>
>
> John Kepler wrote:
>
>   
>> "It's also generally packed with lead... even "low lead"
>>     
> aviation fuel 
>   
>> has extremely high lead levels"
>>
>> You may need to get out a little more....your info is at least 20-30 years
>> out-of-date!  70% of all av-gas used in the last 25 years is basically 87
>> octane automotive unleaded...a secondary "Supplemental Type
>>     
> Certificate"
>   
>> (STC) allows the use of 91 octane pump automotive "Premium" for
>>     
> some old
>   
>> "low-lead" applications...that covers most Continental and
>>     
> Lycoming engines
>   
>> built over the last couple of decades.  Conversion to "low-lead"
>>     
> or
>   
>> "no-lead" capability has been part of an FAA "Major"
>>     
> for the last couple of
>   
>> decades.  The remaining low-lead fuels have less lead than pump
>>     
> "regular"
>   
>> did 30 years ago (about 0.12 g/l).  
>>
>> Old 100/130 "Green" "high-lead" (1.12 g/l), what you
>>     
> are thinking about, is
>   
>> nearly impossible to find.....military 115/145 "old purple" avgas
>>     
> (with a
>   
>> whopping 1.8 g/l of lead!), my favorite for brewing racing fuels, is rare,
>> but still around (look for an airport with something ex-military sporting a
>> big old P&W or Wright radial parked)...but expensive!
>>
>>
>> ... something that a Corvair neither needs 
>> nor wants. You can get more octane in a number of easier ways...
>>
>> Name one?  NASCAR and I would LOVE to know!
>>
>> John
>>
>>
>>  
>>
>> ------------------------------------------------------------------------
>>
>>
>> No virus found in this incoming message.
>> Checked by AVG - http://www.avg.com 
>> Version: 8.0.176 / Virus Database: 270.9.12/1822 - Release Date: 12/1/2008
>>     
> 8:23 AM
>   
>>  
>>
>>     
>
>  _______________________________________________
> This message was sent by the VirtualVairs mailing list, all copyrights are the
> property
> of the writer, please attribute properly. For help, mailto:vv-help at corvair.org
> This list sponsored by the Corvair Society of America, http://www.corvair.org/
> Post messages to: VirtualVairs at corvair.org
> Change your options: http://www.vv.corvair.org/mailman/options/virtualvairs 
>  _______________________________________________
>  _______________________________________________
> This message was sent by the VirtualVairs mailing list, all copyrights are the property
> of the writer, please attribute properly. For help, mailto:vv-help at corvair.org
> This list sponsored by the Corvair Society of America, http://www.corvair.org/
> Post messages to: VirtualVairs at corvair.org
> Change your options: http://www.vv.corvair.org/mailman/options/virtualvairs 
>  _______________________________________________
>
>