984 K Road
Minden, Nebraska 68959
308/832-22OO
Aircraft owners choose automotive fuel (mogas) rather than aviation fuel
(avgas) for a variety of reasons. The primary reason is cost. The savings in fuel
prices between auto fuel and avgas are quite significant. In an airplane
using 15 gallons per hour, a savings of only 50 cents per gallon will be
$7.50 per hour less than the cost of using avgas. In 200 hours, this adds
up to $1500.00. Savings of even half this amount would clearly justify the
installation of an auto fuel STC. If you use auto fuel, by the time you run an engine
to TBO you will have come very close to saving enough money to buy the next engine.
Maintenance costs are also reduced when using auto fuel. Many of our customers
use auto fuel simply because their airplanes run better on it than they
do on 100LL which, despite its name (100 Low Lead), contains twice as much
lead as regular leaded auto fuel prior to the lead reductions which took
place in 1986. This excess lead contributes to a host of problems, including
fouled plugs and sticking valves. Petersen STC's also qualify your airplane for using a new unleaded avgas
termed 82UL, assuming it is ever put into production.
Randy Schmerheim of Traverse City, Michigan
purchased our 30,000th mogas
STC for this Cessna 150.
Petersen Aviation has been doing research on the use of automotive
fuel for aircraft since 1983. Forty-eight different engine types and more than
100 airframes have been approved since we began conducting our tests.
Included in these approvals are nearly all 80/87 octane engines,
and the vast majority of airplanes in which these engines were installed.
Several high compression engines are approved for the use of 91 octane
auto fuel including the 180 horsepower 0-360 and the 0-235-L2C. Our STC's are
accepted world wide.
Auto fuel is safe for use in approved aircraft. Over twenty years of use
has clearly demonstrated the suitability of this fuel for general aviation
aircraft. Over 32,000 airplanes world wide are now using a Petersen STC. Many foreign
countries accept U.S. auto fuel STC's or have approved them in conjunction
with localized Flight Manual Supplements.
The use of auto fuel is the best thing that has happened to general aviation
in the last two decades. In an era when the cost of flying has inflated to
ridiculously high levels, automotive fuel STC's have done more than anything
else to reduce those costs.
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