C150 Performance

"Slick" wrote in :

I'm looking for a chart or table or something that describes the fuel
usage in climbout and descent. I want to know how much fuel to allow
for taxi, runup, and climbout.





Is this for a written exam, or is it for real life use? The reason is, in
FAA written exams you have to calculate fuel use down to 1/10 of a gallon.
In real life you use common sense. Normally I allow 5 mins of cruise fuel
for taxi and run-up, and another 5 mins for after-landing. I don't count
the extra fuel for climb. In a C150 your climb power setting is the same as
in cruise, except for leaning the fuel. The difference is very minimal at
low altitudes. If you carry 1 hour of reserve fuel, you won't have to worry
about any of this. If you have to worry about this, then you are cutting
too close. Besides, the numbers in the POH are not going to accurate due to
aircraft age and leaning procedures.





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Slick wrote:

I'm looking for a chart or table or something that describes the fuel usage
in climbout and descent. I want to know how much fuel to allow for taxi,
runup, and climbout.

I just pulled up a canned profile for a 1973 C-150 in my flight planning software. It
supposes 1 gallon for taxi and runup, 8.4 gph for climb, 4.5 gph for 60% power, and
5.6 gph for 75% power cruise. These figures are close to or the same as my own
experience with my 150.

George Patterson
If a man gets into a fight 3,000 miles away from home, he *had* to have
been looking for it.

Otis,

While the chart is nice you may want to also determine the actual numbers
for
the aircraft you're flying. Actual consumption can be off considerably
from the book.

If your actual consumption is "off considerably from the book"
something is seriously wrong. You should always be able to match or
beat book fuel burns. If not, then one needs to examine the fuel
system to see if there carb is working properly, there are no leaks or
other problems; look at the manner in which the pilot is operating the
power controls, throttle settings, mixture use, etc., and then to see
if the tach is accurate.

All the best,
Rick


"Slick" wrote in message ...
I'm looking for a chart or table or something that describes the fuel
usage
in climbout and descent. I want to know how much fuel to allow for taxi,
runup, and climbout.




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George,


The original POH for my '69 150 did not have this information, so it does not
surprise me that Slick's doesn't have it either.


How'd you get a POH for a 1969 Cessna 150? I haven't found a POH for
any Cessna's built prior to the '76 model year, everything I've
located prior to that date was in the form of an "Owner's Manual".

All the best,
Rick

Rick Durden wrote:

How'd you get a POH for a 1969 Cessna 150? I haven't found a POH for
any Cessna's built prior to the '76 model year, everything I've
located prior to that date was in the form of an "Owner's Manual".

It came with the plane and I gave it to the new owner when I sold it.

George Patterson
If a man gets into a fight 3,000 miles away from home, he *had* to have
been looking for it.