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Date: Thu, 04 Apr 2013 15:38:33 -0400
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Subject: Re: [LML] Re: LIVP Power and Flight parameters from today's flight test.
References: <list-6181052@logan.com>
From: Todd Long <toddlong1@gmail.com>
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So that's about a 15 min difference on a 1000 mile route. A few knots really=
 doesn't make a big difference on time. Some of our customers insist on havi=
ng the citation X no matter the trip length. It really only makes a differen=
ce on long flights. Coast to coast where we r 45 mins faster. I'd take the s=
peed loss and have deice for emergencies any time.=20

Typing and grammar errors courtesy of Siri and the iPhone.

On Apr 4, 2013, at 13:56, RONALD STEVENS <ronald@sdc.com> wrote:

> I was using the RDD de-ice system.
>=20
> On 4/4/13 8:59 AM, "Andrea Katz" <bu131@swbell.net> wrote:
>=20
>> Which de ice are you using. Tks or rdd?
>>=20
>> Sent from my iPhone
>>=20
>> On Apr 4, 2013, at 7:00 AM, RONALD STEVENS <ronald@sdc.com> wrote:
>>=20
>>> I do have the same number between ROP/LOP. But for me taking off the
>>> de-ice had a larger effect. I got at least 12 kts or better extra
>>> speed. I
>>> used to cruise 240 (full fuel, 2 250lbs persons and luggage) and 247
>>> (with
>>> 1/3 tanks) @ 17500 LOP.
>>>=20
>>> Now I am cruising LOP 254-256kts with the same configuration. Making me
>>> very happy as my plane is called 'a heavy IV-p bird lol
>>> And if you can count 2-3kts/1000ft that would make it flying
>>> 270kts/level250 :)~ (MP 31.5, FF=3D19, 2500rpm, >80 degrees LOP)
>>>=20
>>> -- Ronald (>260hours and counting)
>>>=20
>>> On 4/3/13 7:47 PM, "Craig Berland" <cberland@systems3.net> wrote:
>>>=20
>>>> I pickup about 8 kts when running ROP. I pickup about 3 kts per
>>>> thousand
>>>> feet increase in altitude. The "air" can change the TAS 10-15 kts
>>>> pretty
>>>> easy, so getting good test data is difficult. I ran some tests back to
>>>> back ROP and then LOP at a variety of altitudes. 8 kts is a decent rule=

>>>> of thumb.
>>>> Craig=20
>>>>=20
>>>> Sent from my iPad
>>>>=20
>>>> On Apr 3, 2013, at 8:24 AM, "Colyn Case" <colyncase@earthlink.net>
>>>> wrote:
>>>>=20
>>>>> Craig,
>>>>>=20
>>>>> just noodling about my de-ice again.  trying to figure out how slow
>>>>> I'm
>>>>> going to be.
>>>>> I only have ROP numbers on my plane at fl250.  Trying to convert those=

>>>>> into LOP speed.
>>>>> Do you have ROP numbers for your plane up there?  In other words do
>>>>> you
>>>>> know your ROP to LOP speed penalty?
>>>>>=20
>>>>> Colyn
>>>>>=20
>>>>> On Jul 24, 2012, at 7:57 AM, Craig Berland wrote:
>>>>>=20
>>>>> Flight to OSH from Sedona, AZ...actually to Yankton, ND for lunch and
>>>>> fuel.
>>>>> Sunday
>>>>> ISA +35
>>>>> FL 250
>>>>> MP 31.9
>>>>> RPM 2500
>>>>> FF 17.1 gph
>>>>> TAS 277 (Chelton)
>>>>>=20
>>>>> Craig Berland
>>>>> N7VG
>>>>>=20
>>>>> Sent from my iPad
>>>>>=20
>>>>> On Jul 23, 2012, at 7:31 AM, "jeffrey liegner" <liegner@ptd.net>
>>>>> wrote:
>>>>>=20
>>>>>> Power and Flight parameters from today's flight test.
>>>>>>=20
>>>>>> Level FL240 west bound: 15*F (IAS+41F)
>>>>>>=20
>>>>>> MAP 31.5   =20
>>>>>> RPM 2400
>>>>>> Fuel 17.1 gph (LOP)  FP 30
>>>>>> TAS 257
>>>>>> LIAS 174
>>>>>> High CHT 394 (#2, of course)
>>>>>> Cabin Altitude 10,000' (PSID 5.0)
>>>>>>=20
>>>>>> If Fuel 18.1 gph, speed increases TAS 264 but CHT increase.
>>>>>>=20
>>>>>> http://flightaware.com/live/flight/N334P
>>>>>>=20
>>>>>> Comments? Analysis?
>>>>>=20
>>>>>=20
>>>>>=20
>>>>>=20
>>>>> --
>>>>> For archives and unsub
>>>>> http://mail.lancaironline.net:81/lists/lml/List.html
>>>>>=20
>>>>>=20
>>>>> --
>>>>> For archives and unsub
>>>>> http://mail.lancaironline.net:81/lists/lml/List.html
>>>>=20
>>>>=20
>>>>=20
>>>>=20
>>>> --
>>>> For archives and unsub
>>>> http://mail.lancaironline.net:81/lists/lml/List.html
>>>=20
>>>=20
>>>=20
>>>=20
>>> --
>>> For archives and unsub
>>> http://mail.lancaironline.net:81/lists/lml/List.html
>>=20
>> --
>> For archives and unsub
>> http://mail.lancaironline.net:81/lists/lml/List.html
>=20
>=20
>=20
>=20
> --
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