Oh, yeah! Lead poinsoning is nasty! Actually, I reckon it was the first cause of death in South Africa when I was living there - although it was bullet-induced! ;-)
Serge Vidal KR2 "Kilimanjaro Cloud" Paris, France [email protected] Envoyé par : [email protected] 2005-08-19 01:46 Veuillez répondre à KRnet Remis le : 2005-08-19 01:48 Pour : KRnet <[email protected]> cc : (ccc : Serge VIDAL/DNSA/SAGEM) Objet : KR> RE:Lead exposure Sydney, Other side effects of lead ingestion include settling in the bones causing Chronic Hypertension, and it causes mental illness. there is a lot of evidence to conclude it help cause a lot of the problems the ruling class of the Romans suffered during the latter part of the Roman Empire. Bill Higdon > One compound that refiners added to gasoline, both automotive and aviation, was > tetra-ethyl lead. This improved the anti-knock or detonation properties for the > high octane fuels such as 100, 115, 130, etc. aviation fuels. The EPA banned > the use of leaded fuels for automotive applications and is pushing hard for the > same ban on 100 LL. Problems with leaded fuels are sticking exhaust valves and > rings, burned exhaust valves, corroded exhaust pipes and mufflers, fouled spark > plugs and plaque in carburetors and fuel injectors. Actually the EPA was not > concerned so much about engines and such, but what the free lead in the exhaust > emissions was doing to people. Problems cited were still borne and deformed > babies, and retarded kids from lead poisoning. Adults are not immune from such > nerve damage either. > > My understanding is there were no production engines designed to run on leaded > fuel per se. Rather the designs were for a specific octane fuel. Compression > ratio is the design parameter. The cheap way to get the high octane fuel to > perform correctly was to add the tetra-ethyl lead. Refiners did figure out how > to make high octane fuels work without the lead, such as the automotive gasoline > we use and pay dearly for today. > > Sid Wood > Tri-gear KR-2 N6242 > Mechanicsville, MD, USA > [email protected] > _______________________________________ Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp to UNsubscribe from KRnet, send a message to [email protected] please see other KRnet info at http://www.krnet.org/info.html
