[NSRCA-discussion] Acetone in methanol?

[Dean Pappas]

Hi Dave,
Thanks for the acetone-only test. I know that way back, we had problems with some batches of fuel in ouir old YS 60 short-strokes. The problem was traced to other light organic solvents that swelled the diaphragms. I guess that straight acetone isn't one of them. I apologize.
later,
Dean
 
	-----Original Message----- 
	From: nsrca-discussion-bounces at lists.nsrca.org on behalf of Dave Harmon 
	Sent: Mon 2/20/2006 6:06 PM 
	To: 'NSRCA Mailing List' 
	Cc: 
	Subject: Re: [NSRCA-discussion] Acetone in methanol?
	
	
	Hi Dean….I thought of that too so I soaked a couple of diaphragms in straight acetone for a week 
	and I didn’t notice any swelling when compared with a new diaphragm.
	 
	Regards
	
	Dave Harmon
	NSRCA 586
	K6XYZ[at]valornet[dot]com
	Broken Arrow, Ok. 
	-----Original Message-----
	From: Dean Pappas [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Dean Pappas
	Sent: Monday, February 20, 2006 4:53 PM
	To: NSRCA Mailing List
	Subject: RE: [NSRCA-discussion] Acetone in methanol?
	 
	Hi Tom,
	It will swell the silicone diaphrargm in a YS, and cause all sorts of grief.
	Dean P.
		-----Original Message----- 
		From: nsrca-discussion-bounces at lists.nsrca.org on behalf of Koenig, Tom 
		Sent: Mon 2/20/2006 5:46 PM 
		To: NSRCA 
		Cc: 
		Subject: [NSRCA-discussion] Acetone in methanol?
		Gentlemen,
		You may be aware most of us down here mix our own fuel. We have available pure Methanol or a methanol product 'Shell A' which has 3% Acetone in it.
		I have added 2-3% acetone into my fuel mix ( I buy pure Methanol) and I'm not sure if I could detect a difference, if any at all. It may have idled a bit better-but it could have been my imagination??
		 
		So my question is-what exactly can/does Acetone do in our fuel mixes?? Does it do anything at all?? 
		 
		Thanks for any insight.
		 
		Tom
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