C150 Performance

[Slick]

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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[Ron Natalie]

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.
>
>
Thy the POH.

[Slick]

I'm sorry, I forgot to include that my POH does not include what to allocate
for what I'm asking. The 152 POH does, but I don't have one on hand.
"Ron Natalie" > wrote in message
m...
> 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.
> >
> >
> Thy the POH.




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[SFM]

Your POH? Is that a reporting that you bought for your airplane or really
just the PIM that the FBO sold you? Check the POH in the airplane. The other
option is does that POH say how much time and how much fuel will be used to
climb to a specified altitude? If so you can do a little math to figure out
the fuel/hour during climbs.

Scott

--
------------------------------------------------------------------
Scott F. Migaldi, K9PO
MI-150972
PP-ASEL-IA

Are you a PADI Instructor or DM? Then join the PADI
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-----------------------------------
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"Our enemies are innovative and resourceful, and so are we.
They never stop thinking about new ways to harm our country
and our people, and neither do we." - George W. Bush

-------------------------------------
"Slick" > wrote in message ...
> I'm sorry, I forgot to include that my POH does not include what to
allocate
> for what I'm asking. The 152 POH does, but I don't have one on hand.
> "Ron Natalie" > wrote in message
> m...
> > 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.
> > >
> > >
> > Thy the POH.
>
>
>
>
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News==----
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Newsgroups
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[G.R. Patterson III]

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.

My '69 model burned about 9 gph climbing at full rich, full throttle. Operation at
about 1,000 rpm (descent & taxi) seemed to be about 4 gph. Cruise at 6,500 burned
about 5.6 gph. In general, I just planned for 6 gph for trips. Seemed to work out
right. Most of my trips were taken at or below 6,500'.

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

[OtisWinslow]

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.


"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.
>
>
>
>
> ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet
> News==----
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> Newsgroups
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[G.R. Patterson III]

SFM wrote:
>
> Your POH? Is that a reporting that you bought for your airplane or really
> just the PIM that the FBO sold you? Check the POH in the airplane. The other
> option is does that POH say how much time and how much fuel will be used to
> climb to a specified altitude? If so you can do a little math to figure out
> the fuel/hour during climbs.

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.

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

[Stealth Pilot]

On Tue, 2 Nov 2004 09:35:22 -0500, "Slick" > wrote:

>I'm sorry, I forgot to include that my POH does not include what to allocate
>for what I'm asking. The 152 POH does, but I don't have one on hand.
>"Ron Natalie" > wrote in message
m...
>> 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.
>> >
>> >
>> Thy the POH.

mate you are flying a beautifully simple aircraft. flight plan at 20
litres per hour, or 20.5 litres per hour for a little margin.
below 5,000ft, rich, lean, up, down, slow, fast doesnt make enough
difference to ever show up in the fuel figures.
I've flown 3 hours full rich then 3 hours back leaned to peak and
didnt notice a difference.
wonderful aeroplane the 150. one of the sweetest little commercial
aeroplanes ever built.
Stealth Pilot

btw in the 150m POH you'll find detailed (too damn detailed) figures
on cruise performance in section 5-14.

[John T Lowry]

"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.
>
>
>
>
> ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet
> News==----
> http://www.newsfeeds.com The #1 Newsgroup Service in the World!
> >100,000 Newsgroups
> ---= East/West-Coast Server Farms - Total Privacy via Encryption =---

The manual for your engine will include a graph of brake specific fuel
consumption rate as a function of horsepower. Together with the
horsepower dropoff with altitutde factor (sigma - C)/(1-C), using C
about 0.12, sigma is relative air density, you should be able to get a
fairly good approximation to what you want.

John Lowry
Flight Physics

[NW_PILOT]

Ok not to change subjects but wasn't it 1978 that you are required to have a
POH for the airplane?


"SFM" > wrote in message
...
> Your POH? Is that a reporting that you bought for your airplane or really
> just the PIM that the FBO sold you? Check the POH in the airplane. The
other
> option is does that POH say how much time and how much fuel will be used
to
> climb to a specified altitude? If so you can do a little math to figure
out
> the fuel/hour during climbs.
>
> Scott
>
> --
> ------------------------------------------------------------------
> Scott F. Migaldi, K9PO
> MI-150972
> PP-ASEL-IA
>
> Are you a PADI Instructor or DM? Then join the PADI
> Instructor Yahoo Group at
> http://groups.yahoo.com/group/PADI-Instructors/join
> -----------------------------------
> Catch the wave!
> www.hamwave.com
>
>
> "Our enemies are innovative and resourceful, and so are we.
> They never stop thinking about new ways to harm our country
> and our people, and neither do we." - George W. Bush
>
> -------------------------------------
> "Slick" > wrote in message
...
> > I'm sorry, I forgot to include that my POH does not include what to
> allocate
> > for what I'm asking. The 152 POH does, but I don't have one on hand.
> > "Ron Natalie" > wrote in message
> > m...
> > > 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.
> > > >
> > > >
> > > Thy the POH.
> >
> >
> >
> >
> > ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet
> News==----
> > http://www.newsfeeds.com The #1 Newsgroup Service in the World! >100,000
> Newsgroups
> > ---= East/West-Coast Server Farms - Total Privacy via Encryption =---
>
>

[Andrew Sarangan]

"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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[G.R. Patterson III]

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.

[Rick Durden]

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.
> >
> >
> >
> >
> > ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet
> > News==----
> > http://www.newsfeeds.com The #1 Newsgroup Service in the World! >100,000
> > Newsgroups
> > ---= East/West-Coast Server Farms - Total Privacy via Encryption =---

[Rick Durden]

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

[G.R. Patterson III]

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.