|
|
Which de ice are you using. Tks or rdd?
Sent from my iPhone
On Apr 4, 2013, at 7:00 AM, RONALD STEVENS <ronald@sdc.com> wrote:
> 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.
>
> 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=19, 2500rpm, >80 degrees LOP)
>
> -- Ronald (>260hours and counting)
>
> On 4/3/13 7:47 PM, "Craig Berland" <cberland@systems3.net> wrote:
>
>> 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
>>
>> Sent from my iPad
>>
>> On Apr 3, 2013, at 8:24 AM, "Colyn Case" <colyncase@earthlink.net> wrote:
>>
>>> Craig,
>>>
>>> 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?
>>>
>>> Colyn
>>>
>>> On Jul 24, 2012, at 7:57 AM, Craig Berland wrote:
>>>
>>> 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)
>>>
>>> Craig Berland
>>> N7VG
>>>
>>> Sent from my iPad
>>>
>>> On Jul 23, 2012, at 7:31 AM, "jeffrey liegner" <liegner@ptd.net> wrote:
>>>
>>>> Power and Flight parameters from today's flight test.
>>>>
>>>> Level FL240 west bound: 15*F (IAS+41F)
>>>>
>>>> MAP 31.5
>>>> 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)
>>>>
>>>> If Fuel 18.1 gph, speed increases TAS 264 but CHT increase.
>>>>
>>>> http://flightaware.com/live/flight/N334P
>>>>
>>>> Comments? Analysis?
>>>
>>>
>>>
>>>
>>> --
>>> For archives and unsub
>>> http://mail.lancaironline.net:81/lists/lml/List.html
>>>
>>>
>>> --
>>> For archives and unsub
>>> http://mail.lancaironline.net:81/lists/lml/List.html
>>
>>
>>
>>
>> --
>> For archives and unsub
>> http://mail.lancaironline.net:81/lists/lml/List.html
>
>
>
>
> --
> For archives and unsub http://mail.lancaironline.net:81/lists/lml/List.html
|
|