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28 Mar 2024, 19:16 [ UTC - 5; DST ]


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 Post subject: Re: Aircraft inventory levels are critically low.
PostPosted: 14 Sep 2021, 13:30 
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Joined: 03/28/17
Posts: 6628
Post Likes: +7927
Location: N. California
Aircraft: C-182
"What’s the obsession with the PTT in lav on a PC12? The lav is nearly in the cockpit, is a PTT really needed? Or just a hand mic extension cord-

Work smarter not harder[/quote]

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"PTT"

:scratch: Who talks on the radio while sitting on the toilet anyway?


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 Post subject: Re: Aircraft inventory levels are critically low.
PostPosted: 14 Sep 2021, 13:42 
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Joined: 02/17/10
Posts: 600
Post Likes: +822
Company: JCrane, Inc.
Location: KVES
Aircraft: C441, RV7A
Username Protected wrote:
"What’s the obsession with the PTT in lav on a PC12? The lav is nearly in the cockpit, is a PTT really needed? Or just a hand mic extension cord-

Work smarter not harder


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"PTT"

:scratch: Who talks on the radio while sitting on the toilet anyway?[/quote]

As has been hinted at, in the earlier days of BT there was a frequent poster aboard who thoroughly enjoyed stirring the pot, to the ire of more than a few. He flew a PC12 (formerly an A36), posted strong opinions on most everything, and mentioned one time (in passing) that a PC12 was so safe & easy to fly that he would spend some time in the head as needed because he had a PTT installed in there. A few believed him, got all revved up, he enjoyed the subsequent slugfest.

Gary S


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 Post subject: Re: Aircraft inventory levels are critically low.
PostPosted: 14 Sep 2021, 14:09 
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Joined: 01/01/10
Posts: 3435
Post Likes: +2388
Location: Roseburg, Oregon
Aircraft: Citation Mustang
The PC12 PTT lav switch discussion is legend.

_________________
Previous A36TN owner


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 Post subject: Re: Aircraft inventory levels are critically low.
PostPosted: 14 Sep 2021, 14:44 
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Joined: 08/05/16
Posts: 3097
Post Likes: +2222
Company: Tack Mobile
Location: KBJC
Aircraft: C441
Username Protected wrote:
Installed GWX 75 with the upgrade. Have not used it a lot, but seems quite nice.

Mike C.

I'm waffling on the 75 when the plane goes in for the NXi upgrade. I've flown with the current radar (68 GWX) for the past 8 years and it has been ok at best. But then we don't really fly around much convective activity. I was all set to pull the trigger on the 75 until they released the 8000 and that has a few features that make using it a lot more intuitive and hands off. But I'm not certain the 8000 is coming to the G1000 NXi yet as it's only available on the 5000 currently I believe. But I'm willing to wait and see. Does the radar overlay on your map?

Chip-


Mine does. The immediate startup of the digital radar and additional colors is a game changer in my view. I usually have the radar and stormscope over the map on the GTN 750, ADSB on the MFD, and XM NEXRAD and Lightning on our Aera. They're all different and complementary.

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 Post subject: Re: Aircraft inventory levels are critically low.
PostPosted: 24 Sep 2021, 09:21 
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Joined: 12/03/14
Posts: 19252
Post Likes: +23613
Company: Ciholas, Inc
Location: KEHR
Aircraft: C560V
Username Protected wrote:
Hmm, now you have me thinking…. Are those numbers the book numbers? Do they give you ground roll in addition?

The Garmin avionics log lots of data data every second, including weight on wheels, so it becomes relatively easy to compute ground roll.

Yesterday, departing KVPZ, in my Citation V:

Elevation: 770 ft
Temp: 17 C
Wind: neutral (direct cross)
Runway: flat, level, dry
Weight: 13,570 lbs (3,300 lbs fuel, 4 people)
Vr: 96 KIAS

Book figure runway required: 2,540 ft (assumes engine failure at V1, 35 ft and V2 achieved)

Actual ground roll: 1,580 ft

Actual liftoff speed: 115 KIAS

The takeoff was not in anyway special, but the plane was brought up to static takeoff thrust before brake release. The speed at liftoff was much higher than Vr, 19 knots fast, indicating a more aggressive rotate would have shortened the runway required. As it was, Vr (96 KIAS) to liftoff (115 KIAS) was only 3 seconds of elapsed time. V1 (89 KIAS) was only 1 second to Vr (96 KIAS).

Net result is that the ground roll was about 1,000 ft less than the book take off figure and it could have been shorter with more affirmative technique.

I have been very impressed with the Citation V ability to use short runways.

Mike C.

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 Post subject: Re: Aircraft inventory levels are critically low.
PostPosted: 24 Sep 2021, 09:42 
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Joined: 03/04/13
Posts: 2568
Post Likes: +1234
Location: Little Rock, Ar
Aircraft: A36 C560 C551 C550S
What is the BEW and BOW of your airplane?



Robert T


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 Post subject: Re: Aircraft inventory levels are critically low.
PostPosted: 24 Sep 2021, 10:12 
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Joined: 12/03/14
Posts: 19252
Post Likes: +23613
Company: Ciholas, Inc
Location: KEHR
Aircraft: C560V
Username Protected wrote:
What is the BEW and BOW of your airplane?

Empty 9243 lbs. 380 lbs saved by Garmin panel upgrade.

Max ramp 16,100 lbs.

Max takeoff 15,900 lbs.

Max zero fuel weight 12,200 lbs.

Max fuel 5,814 lbs.

Full fuel payload 1,043 lbs.

Max payload 2,957 lbs. That is an average 328 lbs per seat, 9 seats. Max zero fuel weight leaves 3,900 lbs of fuel, ~1000 nm trip.

Zero fuel weight from the factory is 11,200 lbs but mine is raised to 12,200 lbs by a service bulletin which lowers Vmo from 292 KIAS to 276 KIAS. This is very common, few don't have this change and the lower Vmo is not a significant operational issue.

Max ramp and takeoff can be raised to 16,500 lbs and 16,300 lbs by STC, but this lowers landing gear cycle life (particularly the main gear which losses ~1,000 landings of life). My airplane does not have this STC. It seems to be 50/50 in the fleet.

Mike C.

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 Post subject: Re: Aircraft inventory levels are critically low.
PostPosted: 25 Sep 2021, 01:07 
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Joined: 11/08/12
Posts: 6230
Post Likes: +3734
Location: San Carlos, CA - KHWD
Aircraft: Piaggio Avanti
Username Protected wrote:
Hmm, now you have me thinking…. Are those numbers the book numbers? Do they give you ground roll in addition?

The Garmin avionics log lots of data data every second, including weight on wheels, so it becomes relatively easy to compute ground roll.

Yesterday, departing KVPZ, in my Citation V:

Book figure runway required: 2,540 ft (assumes engine failure at V1, 35 ft and V2 achieved)

Actual ground roll: 1,580 ft

Cool. Now I just need to find a 60x60 box hangar at KSQL…. :cheers:
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-Jon C.


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 Post subject: Re: Aircraft inventory levels are critically low.
PostPosted: 25 Sep 2021, 09:49 
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Joined: 12/03/14
Posts: 19252
Post Likes: +23613
Company: Ciholas, Inc
Location: KEHR
Aircraft: C560V
Username Protected wrote:
Yesterday, departing KVPZ, in my Citation V:

Panel video of the takeoff, note the acceleration, 0 to 60 MPH in about 6 seconds, liftoff in 15 seconds.

If you view it on a large screen, the speed tape will be more visible. The "click" is the gear lever interlock releasing when airborne, that's liftoff. You will also see "GND IDLE" caution light go off, and PFD left screen switches to airborne mode.

[youtube]https://youtu.be/_lacsehdGHw[/youtube]

Mike C.

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 Post subject: Re: Aircraft inventory levels are critically low.
PostPosted: 25 Sep 2021, 13:07 
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Joined: 07/11/14
Posts: 1192
Post Likes: +311
Location: 46U
Aircraft: C182
Some guys are just too lucky!
Best,
Tom


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 Post subject: Re: Aircraft inventory levels are critically low.
PostPosted: 25 Sep 2021, 13:21 
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Joined: 12/03/14
Posts: 19252
Post Likes: +23613
Company: Ciholas, Inc
Location: KEHR
Aircraft: C560V
Username Protected wrote:
Some guys are just too lucky!

My first airplane cost $21,000 and my parents had to get a loan to help me pay for it.

33 years later, I'm flying a Citation V.

Very little of that was luck.

Mike C.

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 Post subject: Re: Aircraft inventory levels are critically low.
PostPosted: 25 Sep 2021, 13:26 
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Joined: 01/19/16
Posts: 3272
Post Likes: +5493
Location: 13FA Earle Airpark FL/0A7 Hville NC
Aircraft: E33/152A
Username Protected wrote:
Some guys are just too lucky!

My first airplane cost $21,000 and my parents had to get a loan to help me pay for it.

33 years later, I'm flying a Citation V.

Very little of that was luck.

Mike C.


You were lucky to have those parents!

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 Post subject: Re: Aircraft inventory levels are critically low.
PostPosted: 25 Sep 2021, 21:49 
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Joined: 09/16/10
Posts: 8885
Post Likes: +1954
Username Protected wrote:
Very little of that was luck.


The harder you worked, the luckier you got. Funny how they work together. :thumbup:

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If you think nobody cares about you. Try not paying your income tax.


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 Post subject: Re: Aircraft inventory levels are critically low.
PostPosted: 25 Sep 2021, 23:43 
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Joined: 01/16/11
Posts: 11105
Post Likes: +7090
Location: Somewhere Over the Rainbow
Aircraft: PC12NG, G3Tat
This page scrolling is driving me nuts

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---Rusty Shoe Keeper---


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 Post subject: Re: Aircraft inventory levels are critically low.
PostPosted: 26 Sep 2021, 00:09 
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Joined: 12/03/14
Posts: 19252
Post Likes: +23613
Company: Ciholas, Inc
Location: KEHR
Aircraft: C560V
Username Protected wrote:
This page scrolling is driving me nuts

Apparently, an unbroken word like the first post on this page really screws the forum software.

That should probably be fixed...

Mike C.

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