TinBoats.net
The original aluminum boat site!
Forums
New posts
Search forums
Blog
What's new
New posts
New media
New media comments
Latest activity
Media
New media
New comments
Search media
Members
Current visitors
Log in
Register
What's new
Search
Search
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Boats
Motors
Leaded Aviation Fuel?
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Help Support TinBoats.net:
This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
Message
<blockquote data-quote="C&amp;amp;K" data-source="post: 489896" data-attributes="member: 30707"><p>The aviation gasoline in common use before 100LL was Avgas 80. It used motor octane rating (MON) instead of RON. It had slightly over twice the lead content of 100LL. Its use was banned by the EPA in 2009 when the last refiner of Avgas 80 went out of business. Everybody had to switch to 100LL, and 100LL is being phased out now in favor of UL91. Nobody in the general aviation business really knows what the FAA is gonna do regarding certification of older engines for UL91. Shorten the TBO? Simply ground them and declare them obsolete? Limit them to 6,000 ft and 20 deg C like they do with automotive gas STC's? Nobody knows.</p></blockquote><p></p>
[QUOTE="C&K, post: 489896, member: 30707"] The aviation gasoline in common use before 100LL was Avgas 80. It used motor octane rating (MON) instead of RON. It had slightly over twice the lead content of 100LL. Its use was banned by the EPA in 2009 when the last refiner of Avgas 80 went out of business. Everybody had to switch to 100LL, and 100LL is being phased out now in favor of UL91. Nobody in the general aviation business really knows what the FAA is gonna do regarding certification of older engines for UL91. Shorten the TBO? Simply ground them and declare them obsolete? Limit them to 6,000 ft and 20 deg C like they do with automotive gas STC's? Nobody knows. [/QUOTE]
Verification
Post reply
Forums
Boats
Motors
Leaded Aviation Fuel?
Top