[jhb_airlines] Re: B350

  • From: "Bones" <bones@xxxxxxx>
  • To: <jhb_airlines@xxxxxxxxxxxxx>
  • Date: Tue, 19 Aug 2008 18:18:42 +0100

That's totally wrong. The B350 can cruise as low as 1400rpm. More data for
you in a minute...

bones
bones@xxxxxxx
http://woodair.net


-----Original Message-----
From: jhb_airlines-bounce@xxxxxxxxxxxxx
[mailto:jhb_airlines-bounce@xxxxxxxxxxxxx] On Behalf Of Gerry Winskill
Sent: 19 August 2008 16:47
To: jhb_airlines@xxxxxxxxxxxxx
Subject: [jhb_airlines] Re: B350

If the prop revs are reduced to below 1700, a Master Warning appears.

The B1900D is much more realistic.

Gerry Winskill

Bones wrote:
> 207 gallons for 2.16hrs is a tad high and you should be able to shave some
> off with better engine management. Here's a quote from a B350 flight
report:
> 
> "Initial climb rate topped 2,000 fpm, and in 15 minutes the 350 was level
at
> 27,000 feet, despite air temperatures at least 9�º F above standard all
the
> way up. The high 20s are good altitudes for the 350 because it cruises
right
> around 300 knots true airspeed with a fuel flow of about 650 pounds per
> hour. The mid-to-high 20s are not crowded altitudes, and the tanksÃ?Â?
full
> range at maximum power is at least 1,000 nm with enough reserves to
continue
> to an alternate 100 nm from the destination.
> 
> Except for takeoff, all climb and cruise is conducted with the propellers
> set at a slow 1500 rpm. At that setting you are aware of the props in the
> cockpit, but in the aft club chairs the sound could be as easily coming
from
> a jet engine as a turboprop. And the vibration level compares very
> favourably with a business jet."
> 
> So it looks like you need to get those props back further to 1500rpm which
> is lower than the B200 series. You also need to respect torque limits but
I
> don't know if FS publishes these. On take off throttles are advanced to
> torque limit only in real life - but there again engines don't blow up in
FS
> and it's a shame because users don't learn any respect for correct
settings.
> 
> Just two more figures for you to digest taken from the King Air manual.
> 
> FL240, 312kts -fuel flow 128usg
> FL330, 237kts - fuel flow 61usg.
> 
> That is why most King Air operators stay around the 250kt level - it keeps
> fuel costs down a lot.
> 
> bones
> bones@xxxxxxx
> http://woodair.net
> 
> 
> -----Original Message-----
> From: jhb_airlines-bounce@xxxxxxxxxxxxx
> [mailto:jhb_airlines-bounce@xxxxxxxxxxxxx] On Behalf Of Fred Stopforth
> Sent: 19 August 2008 15:45
> To: jhb_airlines@xxxxxxxxxxxxx
> Subject: [jhb_airlines] Re: B350
> 
> Did my return flight BIRK--> EKVG.Dist covered with Go Round 504 nm / fuel

> 207 Gals  / GS 232 Knts  / Start to Blocks 2hrs:10mins / ITT 700 /Torq 75
/
> 
> Prop rev 1600  /Gas rev90  /  fuel flow 40+  /oil 45  press125 . fuel
loaded
> 
> 359 Gals + 6 pass. Default BE350. Saitek Cyborg J/stick used .Yoke and 
> Pedals boxed till cockpit room is done.At least I got my fuel quantity
down 
> a bit and shifted a bit quicker trying at Fl210. Knackered now ready for a

> glass of wine.  Fred
> ----- Original Message ----- 
> From: "Bones" <bones@xxxxxxx>
> To: <jhb_airlines@xxxxxxxxxxxxx>
> Sent: Tuesday, August 19, 2008 2:22 PM
> Subject: [jhb_airlines] Re: B350
> 
> 
>> What would be interesting is for several pilots to fly an identical route
>> using identical values and then compare times and fuel burn afterwards. 
>> For
>> this to work everyone would have to start off with the same fuel load and
>> pax load so that AUW is identical and fly an identical route. Differences
>> would then show up purely through handling and engine management.
>>
>> To get up to FL250 for a reasonable time a sector length of about 300nm
>> would be about right -just over an hour's flight. An example would be
>> Southampton to Campbeltown via BCN WAL IOM and BLACA. As I don't have FS
>> running I can't suggest nominal power settings but Condition levers
should
>> be at Flight Idle and Props at 1700rpm. Ideally power should be set to
>> produce a TAS of 250kts which would probably be about 170kts IAS.
>>
>> bones
>> bones@xxxxxxx
>> http://woodair.net
>>
>> -----Original Message-----
>> From: jhb_airlines-bounce@xxxxxxxxxxxxx
>> [mailto:jhb_airlines-bounce@xxxxxxxxxxxxx] On Behalf Of Fred Stopforth
>> Sent: 19 August 2008 08:27
>> To: jhb_airlines@xxxxxxxxxxxxx
>> Subject: [jhb_airlines] Re: B350
>>
>> Ah will try that altitude on the way back and see what I report.This
>> exercise is giving me a little interest. Thanks. Fred
>> ----- Original Message ----- 
>> From: "Bones" <bones@xxxxxxx>
>> To: <jhb_airlines@xxxxxxxxxxxxx>
>> Sent: Tuesday, August 19, 2008 3:09 AM
>> Subject: [jhb_airlines] Re: B350
>>
>>
>>> Normal cruising altitude for a King Air is FL250 or thereabouts and the
>>> fuel
>>> burn drops off significantly at that height.
>>>
>>> bones
>>> bones@xxxxxxx
>>> http://woodair.net
>>>
>>>
>>> -----Original Message-----
>>> From: jhb_airlines-bounce@xxxxxxxxxxxxx
>>> [mailto:jhb_airlines-bounce@xxxxxxxxxxxxx] On Behalf Of Fred Stopforth
>>> Sent: 19 August 2008 01:22
>>> To: jhb_airlines@xxxxxxxxxxxxx
>>> Subject: [jhb_airlines] Re: B350
>>>
>>> Hi Frank thought I would have a go at your EKVG --> BIRK  IFR and see 
>>> what
>>> the comparison might be. Here's my report --  covered 525nm /used 230 
>>> gals
>>> /
>>>
>>> GS 217knts / Start to shutdown 2hrs 25 mins.  Cond 45% /Props 60% /Throt
>>> 85/99% //Prop revs were 1600.Just wondered how we compared in our flight
>>> effort.BTW I went to 12500'.  Fred
>>> ----- Original Message ----- 
>>> From: "F FISHER" <ffisher991@xxxxxxxxxxxxxx>
>>> To: <jhb_airlines@xxxxxxxxxxxxx>
>>> Sent: Monday, August 18, 2008 8:27 PM
>>> Subject: [jhb_airlines] Re: B350
>>>
>>>
>>>> Like Gerry says, it is going to be a case of a lot of trials and
>>>> paperwork.
>>>>
>>>> Just taken off from Vagar on route Rek online.
>>>>
>>>> All levers full on in climb, used 110G!! (start 417)speed 210 IAS
>>>>
>>>> Power back to 85 % torque(75%) speed 210 still FF 5.TAS(per FSC)261.
>>>>
>>>> Have altered FSC database to show cruise speed 215 range 1000, the FP
>>>> distance is 417 time 2hours.
>>>>
>>>> We will see what time I arrive.
>>>>
>>>> But still gobbling up fuel!!
>>>>
>>>> Frank F
>>>>
>>>> Ps off to bathroom, back in 15 minutes
>>>>
>>>>
>>>>
>>>> ----- Original Message ----- 
>>>> From: "Bones" <bones@xxxxxxx>
>>>> To: <jhb_airlines@xxxxxxxxxxxxx>
>>>> Sent: Monday, August 18, 2008 7:48 PM
>>>> Subject: [jhb_airlines] Re: B350
>>>>
>>>>
>>>>> It's NOT a mixture lever Frank. Mixture levers only exist on pistons.
>>>>> It's a
>>>>> Condition lever and it's not got anything to do with fuel flow. It
only
>>>>> has
>>>>> High Idle (used for reverse thrust) Low Idle (used for everything
else)
>>>>> and
>>>>> Cut Off positions. You can waggle it about all you want in flight but 
>>>>> it
>>>>> won't do anything.
>>>>>
>>>>> Fuel flow on a turboprop is automatically metered and controlled by
>>>>> Power
>>>>> and Prop levers settings. If you are burning too much fuel it's
because
>>>>> you
>>>>> are using the wrong Power or Prop values.
>>>>>
>>>>> As I've said before a turboprop is a JET engine and it works exactly 
>>>>> the
>>>>> same way. Jets don't have mixture either.
>>>>>
>>>>>
>>>>>
>>>>> bones
>>>>> bones@xxxxxxx
>>>>> http://woodair.net
>>>>>
>>>>>
>>>>> -----Original Message-----
>>>>> From: jhb_airlines-bounce@xxxxxxxxxxxxx
>>>>> [mailto:jhb_airlines-bounce@xxxxxxxxxxxxx] On Behalf Of F FISHER
>>>>> Sent: 18 August 2008 19:22
>>>>> To: jhb_airlines@xxxxxxxxxxxxx
>>>>> Subject: [jhb_airlines] Re: B350
>>>>>
>>>>> This is why I am altering the FSC database to suit.
>>>>>
>>>>> The B350 has 3 sets of levers all Black
>>>>>
>>>>> My physical layout is the Saitek Yoke with twin throttles, 3 levers on
>>>>> each(Black Blue and Red)
>>>>>
>>>>> The mixture lever(Red) alters the fuel flow not by much but is around 
>>>>> 5,
>>>>> I
>>>>> alter the power and condition levers to keep under the red line at 
>>>>> about
>>>>> 75%. Closing the Mixture lever completely, cuts the engines.
>>>>>
>>>>> I bring the mix control down during the climb to 25% at FL100
>>>>>
>>>>> Max climb is about 160, and cruise 210, totally different to the FSC
>>>>> database. With a tail wind, this will go up to about 230, at FL150.
>>>>>
>>>>> FSC bases it flight time and distance according to it's database which
>>>>> to
>>>>> my
>>>>>
>>>>> mind is not accurate.Someone needs to do some research.
>>>>>
>>>>> I have yet to find an FS aircraft that performs to stated spec.As far 
>>>>> as
>>>>> FSC
>>>>>
>>>>> is concerned anyway.
>>>>>
>>>>> Even in formation, I have to max the power to match other online 
>>>>> flyers.
>>>>> But
>>>>>
>>>>> that is another issue.
>>>>>
>>>>> The other issue I have to sort out is the v.high taxi speed, but I 
>>>>> think
>>>>> this is something to do with the condition lever, normally keeping the
>>>>> speed
>>>>>
>>>>> down with the brakes and also steering with the brakes.
>>>>>
>>>>> I like the aircraft, but do need to learn how to use it to best
>>>>> advantage.
>>>>>
>>>>> Frank F
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ----- Original Message ----- 
>>>>> From: "Bones" <bones@xxxxxxx>
>>>>> To: <jhb_airlines@xxxxxxxxxxxxx>
>>>>> Sent: Monday, August 18, 2008 5:01 PM
>>>>> Subject: [jhb_airlines] Re: B350
>>>>>
>>>>>
>>>>>> FSC has the distance a bit wrong - it's just 801nm direct. It's got 
>>>>>> the
>>>>>> range totally wrong too - a King Air can't stay up for 16 hours
>>>>>> (4100/250).
>>>>>> Just over 1000nm with no reserves would be a better figure.
>>>>>>
>>>>>> The King Air doesn't have a mixture control (no turboprops do). They
>>>>>> have
>>>>>> Power, Prop and Condition levers so I can't guess what levers you are
>>>>>> referring to. Fuel flow rate is determined by the power and prop
>>>>>> settings
>>>>>> so
>>>>>> you may need to check these to stop drinking too much of the
>>>>>> stuff -props
>>>>>> need only be around 1700-1900. The condition levers only have High
>>>>>> Idle,
>>>>>> Low
>>>>>> Idle and Cutoff positions and you never touch these after engines are
>>>>>> started.
>>>>>>
>>>>>> bones
>>>>>> bones@xxxxxxx
>>>>>> http://woodair.net
>>>>>>
>>>>>>
>>>>>> -----Original Message-----
>>>>>> From: jhb_airlines-bounce@xxxxxxxxxxxxx
>>>>>> [mailto:jhb_airlines-bounce@xxxxxxxxxxxxx] On Behalf Of F FISHER
>>>>>> Sent: 18 August 2008 16:35
>>>>>> To: jhb_airlines@xxxxxxxxxxxxx
>>>>>> Subject: [jhb_airlines] B350
>>>>>>
>>>>>> Beech King Air 350.
>>>>>>
>>>>>> Currently doing a run from EGNS-BIRK
>>>>>>
>>>>>> FSC states distance 881nm 2:52mins at cruise speed 512kts.
>>>>>>
>>>>>> Am set with Mixture at 25%, condition at 75% power 75%.
>>>>>>
>>>>>> KIAS on FSX 260kts.
>>>>>>
>>>>>> 220 nm short of ING, now right turn 90 for Vagar to refuel as down to
>>>>>> 100G
>>>>>> from 425G
>>>>>>
>>>>>> I am in the proces of realtering the aircraft database in FSC to
>>>>>> reflect
>>>>>> to
>>>>>> the true air speed I am attaining, this should give me a truer flight
>>>>>> time.
>>>>>>
>>>>>> FSC aircraft database  gives a range of 4100nm, no way, with full 
>>>>>> tanks
>>>>>> should I have to divert, am I doing something wrong??
>>>>>>
>>>>>> Or should Ibe flying something with a higher range.
>>>>>>
>>>>>> Frank F
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> No virus found in this incoming message.
>>>>>> Checked by AVG - http://www.avg.com
>>>>>> Version: 8.0.138 / Virus Database: 270.6.5/1618 - Release Date:
>>>>>> 18/08/2008
>>>>>> 06:51
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> No virus found in this incoming message.
>>>>> Checked by AVG - http://www.avg.com
>>>>> Version: 8.0.138 / Virus Database: 270.6.5/1618 - Release Date:
>>>>> 18/08/2008 06:51
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> No virus found in this incoming message.
>>>> Checked by AVG - http://www.avg.com Version: 8.0.138 / Virus Database:
>>>> 270.6.5/1618 - Release Date: 8/18/2008 6:51 AM
>>>>
>>>>
>>>
>>>
>>>
>>> No virus found in this incoming message.
>>> Checked by AVG - http://www.avg.com
>>> Version: 8.0.138 / Virus Database: 270.6.5/1619 - Release Date:
8/18/2008
>>> 5:39 PM
>>>
>>>
>>
>>
>>
>> No virus found in this incoming message.
>> Checked by AVG - http://www.avg.com
>> Version: 8.0.138 / Virus Database: 270.6.5/1620 - Release Date: 8/19/2008

>> 6:04 AM
>>
>>
>>
> 
> 
> 
> 


Other related posts: