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service ceiling

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Marcia Moran

service ceiling

Post by Marcia Moran » Fri Feb 17, 2012 8:27 pm

Our airport is 4729 AGL and my rice grinding rebel does fine I have had it
to 14000ft. it was pretty weak but still climbing. Lots of our strips are 6
to 7 thousand AGL
-----Original Message-----
From: travis underwood <travisunderwood@yahoo.com>
To: murphy-rebel@dcsol.com <murphy-rebel@dcsol.com>
Date: Thursday, October 19, 2000 8:28 AM
Subject: Re: service ceiling

I am interested, because if I do wind up with a rebel,
I would be operating it in mountain areas with high
density altitude at times. Upwards of 8-9000' density
field altitude could be common. Plus I would use it to
fly into mountain airstrips in Colorado. Just want to
make sure it would meet the need.

Travis


--- REBEL112R@aol.com wrote:
That is a good question. I have had mine flying for
3 yrs and the highest I
have been is 5500 ft. Keep saying to myself I gotta
see how high this thing
will go but never give it a shot.
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travis underwood

service ceiling

Post by travis underwood » Fri Feb 17, 2012 8:27 pm

Thanks! That would work fine...


--- Marcia Moran <rover@triax.com> wrote:
Our airport is 4729 AGL and my rice grinding rebel
does fine I have had it
to 14000ft. it was pretty weak but still climbing.
Lots of our strips are 6
to 7 thousand AGL
-----Original Message-----
From: travis underwood <travisunderwood@yahoo.com>
To: murphy-rebel@dcsol.com <murphy-rebel@dcsol.com>
Date: Thursday, October 19, 2000 8:28 AM
Subject: Re: service ceiling

I am interested, because if I do wind up with a
rebel,
I would be operating it in mountain areas with high
density altitude at times. Upwards of 8-9000'
density
field altitude could be common. Plus I would use it
to
fly into mountain airstrips in Colorado. Just want
to
make sure it would meet the need.

Travis


--- REBEL112R@aol.com wrote:
That is a good question. I have had mine flying
for
3 yrs and the highest I
have been is 5500 ft. Keep saying to myself I
gotta
see how high this thing
will go but never give it a shot.
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Bob Patterson

service ceiling

Post by Bob Patterson » Fri Feb 17, 2012 8:27 pm

Hi Travis !

FWIW, Rebel #001, with the mighty Rotax 912, of 80 hp., has
been up to 16,000 ft., through "The Rocks" several times, and carries
2 people and lots of baggage, on 95 degree days !

Both our O-235 powered Rebel, and the O-320, have flown with
good loads on hot days, from airfields at 4,000 ft. + , to regular
cruise altitudes of 8,500 to 11,500, with no problems. You'll be
hard pressed to find a better aircraft than the Rebel, for high
altitude operation. That big high-lift wing and the flapperons will
get you out of almost anywhere !!

.....bobp

--------------------------------orig.----------------------------------
At 07:56 AM 10/19/00 -0700, you wrote:
What is the service ceiling of a Rebel with an O-235
pulling it into the sky? I did not see it on Murphy's
spec sheet.

Thanks,

Travis




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Paul Irvine

Service ceiling

Post by Paul Irvine » Fri Feb 17, 2012 8:27 pm

What defines service ceiling in a unpressurised aircraft? rate of climb?
Well yes - in a way, as your rate of climb at that point would equal zero.
Also, your maximum attainable level airspeed would be approaching stall.

Of course I'm talking about 'absolute Chuck Yeager' service ceiling here.

Paul Irvine - Antioch CA
72 Spider - 79 Sprint Veloce - 82 GTV6
---------------------------------------------
Project Alfa
Project Murphy?

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Warren T. Montgomery

Service ceiling

Post by Warren T. Montgomery » Fri Feb 17, 2012 8:27 pm

What defines service ceiling in a unpressurised aircraft? rate of climb?

For pressurized it's first limited by the time of a rapid or emergency
descent (4 min) to 10,000 feet then performance.
--
Warren T. Montgomery
<monty@emirates.net.ae>
Dubai, United Arab Emirates
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A G Yeoman

Service ceiling

Post by A G Yeoman » Fri Feb 17, 2012 8:27 pm

Just for the record I looked up my flight test report for my 0-320 Rebel,
while testing temps in full power climb.

At AUW and 17.3in.COG at 60kts it showed a ROC of 1100fpm at 2000ft. 600fpm
at 7000ft. and 350fpm at 13000ft. so there was still some life in the old
girl at that height. ( I didnt wear a jacket and got too cold so I came down
early!!)

Cheers

Alister


----- Original Message -----
From: Gary Bataller <gbataller@charter.net>
To: <monty@emirates.net.ae>
Cc: Murphy Rebel Builders List <murphy-rebel@dcsol.com>
Sent: Monday, October 23, 2000 4:34 AM
Subject: Re: Service ceiling

Service Ceiling:
"Altitude where a single-engine airplane is able to maintain a maximum
climb
of only 100 feet per minute. This altitude is more commonly used than
absolute ceiling, since it represents the airplane's practical ceiling."

Reference: Private Pilot Manual; Jeppesen-Sanderson, Inc., 1997; page
8-16


----- Original Message -----
From: "Warren T. Montgomery" <monty@emirates.net.ae>
To: "Murphy Rebel Builders List" <murphy-rebel@dcsol.com>
Sent: Sunday, October 22, 2000 8:44 AM
Subject: Re: Service ceiling

What defines service ceiling in a unpressurised aircraft? rate of climb?

For pressurized it's first limited by the time of a rapid or emergency
descent (4 min) to 10,000 feet then performance.
--
Warren T. Montgomery
<monty@emirates.net.ae>
Dubai, United Arab Emirates
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The Murphy Rebel Builders List is for the discussion
between builders and owners of Murphy Rebel aircraft.
Archives located at:
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*---------------------------------------------------------------------------
--------*


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The Murphy Rebel Builders List is for the discussion
between builders and owners of Murphy Rebel aircraft.
Archives located at:
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*---------------------------------------------------------------------------
--------*

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The Murphy Rebel Builders List is for the discussion
between builders and owners of Murphy Rebel aircraft.
Archives located at:
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*-----------------------------------------------------------------------------------*




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