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Search: Posts Made By: Trolltuner
Showing results 1 to 35 of 147
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Forum: Biz Jets, Ag Flying, GA etc.
6th Dec 2013, 23:37
Replies: 18
Views: 7,251
Posted By Trolltuner

Angel Gulfstream Wing issue

While true, their wing design has certainly changed over the years - especially between the original G-II (G-1159) and the G-III (G-1159A). The latter "supercritical" wing was also retrofitted to...
Forum: Nordic Forum
18th Jul 2012, 01:08
Replies: 3
Views: 3,166
Posted By Trolltuner

Angel Links

Thanks very much for those links, Wesker. Great, useful stuff there. :D

Anyone know by chance typical restrictions for landing on certain inland lakes under "ferdsel med motorisert fartøy i...
Forum: Tech Log
17th Jul 2012, 04:43
Replies: 20
Views: 6,384
Posted By Trolltuner

Angel Cosmo, you are of course quite correct. My...

Cosmo, you are of course quite correct. My mistake, corrected above. :OTom
Forum: Nordic Forum
16th Jul 2012, 04:56
Replies: 3
Views: 3,166
Posted By Trolltuner

ICON A5

Hi folks!

OK, so I put a deposit down a few years ago on an Icon A5 amphibian. ICON Aircraft | Sport Flying Revolution (http://iconaircraft.com). I want to bring it (whenever it's finally...
Forum: Biz Jets, Ag Flying, GA etc.
16th Jul 2012, 04:33
Replies: 65
Views: 44,395
Posted By Trolltuner

Jetstar2 Pilot, :D Tom

Jetstar2 Pilot,

:D

Tom
Forum: Tech Log
16th Jul 2012, 04:19
Replies: 20
Views: 6,384
Posted By Trolltuner

Marius, see what you've started? And such a...

Marius, see what you've started? And such a simple question, really. :):)

Tom

PS: Where are you from? PM if you don't want to say here.

Cheers.
Forum: Tech Log
16th Jul 2012, 04:16
Replies: 20
Views: 6,384
Posted By Trolltuner

bookworm, Please remember, I said...

bookworm,



Please remember, I said "tongue-in-cheek". :) But if we're really getting technical, and depending on which gravitational decay with altitude formula that you accept, a fully...
Forum: Tech Log
16th Jul 2012, 03:58
Replies: 20
Views: 6,384
Posted By Trolltuner

John T., You'll get little dissent...

John T.,



You'll get little dissent from me since you've identified some of the certification requirements in addition to Vmca for the multis. And yes, the TCDS you linked does indeed cover...
Forum: Biz Jets, Ag Flying, GA etc.
16th Jul 2012, 00:49
Replies: 10
Views: 2,827
Posted By Trolltuner

noneya, it absolutely does! Thanks very much for...

noneya, it absolutely does! Thanks very much for that summary, I've learned a lot. :D

One final quick question, if it's OK: The AFM calls the RIGHT engine the "critical engine". Why would that...
Forum: Tech Log
14th Jul 2012, 21:45
Replies: 20
Views: 6,384
Posted By Trolltuner

Minimum Flight Weight (Mass)

Hi Marius.

I'm not specifically familiar with the DA-42 (although I know what it looks like :) ), but a lot of both single and twin engined airplanes do have a minimum flight weight or mass...
Forum: Tech Log
14th Jul 2012, 19:01
Replies: 9
Views: 3,150
Posted By Trolltuner

Angel Cessna 182P/Q GWI

Impressive indeed! Now, having said that, they could have done their customers better in some cases. By that I mean Cessna increased the 182's gross on several occasions (strictly by analysis) but...
Forum: Biz Jets, Ag Flying, GA etc.
13th Jul 2012, 23:48
Replies: 10
Views: 2,827
Posted By Trolltuner

Angel noneya, thanks for the help. OK, but...

noneya, thanks for the help.



OK, but 10 deg TOs are also allowed per the AFM, right? "Normal" must be subjective in this case (me thinks). :) Granted, runway length used will decrease at...
Forum: Flight Testing
13th Jul 2012, 21:12
Replies: 1
Views: 2,225
Posted By Trolltuner

Angel Noise Certification Flight Test - Gulfstream

Anyone here familiar with this stuff: ?

Older Gulfstream G-II/G-IIB/G-III jets were certified in the US to FAR 36 Stage 2 regs and to ICAO Annex 16, Chapter 2. At the time, FAR 36 had reached an...
Forum: Biz Jets, Ag Flying, GA etc.
12th Jul 2012, 20:25
Replies: 10
Views: 2,827
Posted By Trolltuner

Angel G-IIB/G-III Question

During normal, all engines operating, takeoff (10 deg flap), what is the expected AEO airspeed at 35 ft? Can they make 164 KIAS?

Also, the AFM states that best climb gradient available OEI is...
Forum: Flight Testing
13th Dec 2011, 18:33
Replies: 18
Views: 4,139
Posted By Trolltuner

Angel Chti, thank you. I have no idea what...

Chti, thank you.



I have no idea what the L/D ratio is but I do have the GIII AFM. Can it be determined from this operational data?

Remember that I'm concerned only with one airspeed,...
Forum: Flight Testing
12th Dec 2011, 18:49
Replies: 18
Views: 4,139
Posted By Trolltuner

Angel chti guillaume, First of all, as an "old...

chti guillaume,

First of all, as an "old timer" [NOT!] around the forums, please allow me to welcome you. :D

Your input is very interesting and I appreciate your thoughts very much. I will...
Forum: Flight Testing
6th Dec 2011, 16:59
Replies: 18
Views: 4,139
Posted By Trolltuner

Angel mutt, good to hear from you again. Well,...

mutt, good to hear from you again.

Well, that's a good question and what I'm working to find out. The GIII's cumulative noise margin beyond Stage 3 is actually 9.3 EPNdb - 2.1 above TO, 8.6 above...
Forum: Flight Testing
5th Dec 2011, 17:56
Replies: 18
Views: 4,139
Posted By Trolltuner

Angel Thanks Machdiamond. Agree with what you wrote,...

Thanks Machdiamond. Agree with what you wrote, and appreciate your comments.

Cheers,

Tom
Forum: Flight Testing
3rd Dec 2011, 17:13
Replies: 18
Views: 4,139
Posted By Trolltuner

Angel Hello Pull what. As Machdiamond stated, Vy...

Hello Pull what.

As Machdiamond stated, Vy is not a goal here, just a reference destination. When he writes:



I would add the qualifying statement "at the same weight" because V2 decays...
Forum: Flight Testing
2nd Dec 2011, 15:22
Replies: 18
Views: 4,139
Posted By Trolltuner

Angel Superb, Machdiamond! Great stuff.:D Thanks...

Superb, Machdiamond! Great stuff.:D

Thanks for spending your time on this. I've learned a lot.

All the best,

Tom
Forum: Flight Testing
2nd Dec 2011, 01:46
Replies: 18
Views: 4,139
Posted By Trolltuner

Angel Hi Pilot DAR. Thanks for your input. "All...

Hi Pilot DAR. Thanks for your input.

"All other things being equal, the best rate of climb performance will get you the farthest away from earth in the least time."

Agreed 100%. :)

"To...
Forum: Flight Testing
2nd Dec 2011, 00:54
Replies: 18
Views: 4,139
Posted By Trolltuner

Angel Machdiamond's "stab at this"....

Machdiamond, thanks very much for your considered response and answer. It is appreciated.

A few additional thoughts/questions:

".....you are still slower than VY".

Yes, I can appreciate...
Forum: Flight Testing
25th Nov 2011, 13:20
Replies: 18
Views: 4,139
Posted By Trolltuner

Angel V2 vs. weight vs. climb question

I probably should have posted this here first but, risking a breach of forum etiquette, I'll re-post the thread here:
...
Forum: Biz Jets, Ag Flying, GA etc.
22nd Nov 2011, 01:31
Replies: 26
Views: 12,523
Posted By Trolltuner

Angel Hi RainingLogic. I agree reduced thrust TO (flex...

Hi RainingLogic. I agree reduced thrust TO (flex thrust, etc.) will certainly reduce noise. From a non-certification or operational level, however, sideline noise is (I believe) almost never measured...
Forum: Biz Jets, Ag Flying, GA etc.
19th Nov 2011, 16:29
Replies: 26
Views: 12,523
Posted By Trolltuner

Angel Deck angle

I don't know, maralinga, but it sounds more like fun to me. Then again, you're quite right - the CEO and his mistress in the aft cabin might not find it so unless properly briefed in advance.

So,...
Forum: Biz Jets, Ag Flying, GA etc.
17th Nov 2011, 09:50
Replies: 26
Views: 12,523
Posted By Trolltuner

Angel "Trolltuner, do you have a noise document for the...

"Trolltuner, do you have a noise document for the G3?"

Yes, it's entitled "Noise Standards" and is in the AFM at Section 6, Performance. I've posted a .PDF copy of it here:

GIII Noise -...
Forum: Biz Jets, Ag Flying, GA etc.
16th Nov 2011, 08:48
Replies: 26
Views: 12,523
Posted By Trolltuner

Angel mutt and I.R., thanks very much for your...

mutt and I.R., thanks very much for your thoughts, they're appreciated.

mutt, sure wish I had a digital flight manual for the GIII. I have the original AFM, but interpolating across the many...
Forum: Biz Jets, Ag Flying, GA etc.
12th Nov 2011, 09:25
Replies: 26
Views: 12,523
Posted By Trolltuner

Angel I.R., no, I do not think you're missing the point...

I.R., no, I do not think you're missing the point at all and I agree with your premise regarding V2 variation with weight. Nevertheless, I still seek an answer to the "re-stated" question in my last...
Forum: Biz Jets, Ag Flying, GA etc.
11th Nov 2011, 12:34
Replies: 26
Views: 12,523
Posted By Trolltuner

Angel mutt, yes, I am indeed talking about all engine...

mutt, yes, I am indeed talking about all engine performance. Normally, the airplane will take off at max gross, retract the gear while still IGE, and stabilize in a full power first segment climb,...
Forum: Biz Jets, Ag Flying, GA etc.
11th Nov 2011, 09:42
Replies: 26
Views: 12,523
Posted By Trolltuner

Angel The "V2 Plus" climb

I.R.PIRATE sez: "Why not climb at V2?"

Cannot. For certification, both ICAO and FAA noise regs call for (applicant's choice) between V2+10 to V2+20.

FrankR sez: "Why not follow the procedure...
Forum: Biz Jets, Ag Flying, GA etc.
10th Nov 2011, 20:56
Replies: 26
Views: 12,523
Posted By Trolltuner

Angel V2+10 climb plus more - huh?

I need some help trying to figure this out from you bizjet experts out there.

Here's my example: A Gulfstream III (Stage 2) airplane AFM says that its certificated noise levels at max gross...
Forum: Private Flying
16th Apr 2011, 09:15
Replies: 20
Views: 16,207
Posted By Trolltuner

Angel Props and noise

As has been pointed out, three bladed vs. two bladed props are generally less noisey because their swept diameter may be reduced. This means that their tip speed for any given RPM, and thus their...
Forum: Engineers & Technicians
16th Apr 2011, 08:23
Replies: 9
Views: 5,113
Posted By Trolltuner

NutLoose, yes, that does make sense, but I doubt...

NutLoose, yes, that does make sense, but I doubt anyone has really done this before (it took me 3 years of effort just to get it through FAA :{). But I do find your notion very interesting and I...
Forum: Flight Testing
16th Apr 2011, 08:11
Replies: 8
Views: 2,857
Posted By Trolltuner

Hi there, Jane-DoH. Vy is one of many "V"...

Hi there, Jane-DoH.

Vy is one of many "V" airspeeds used to define aircraft performance, in this case the "best RATE of climb" airspeed. There are a bunch of others (Vx, for example, "best ANGLE...
Forum: Engineers & Technicians
12th Apr 2011, 16:40
Replies: 9
Views: 5,113
Posted By Trolltuner

Angel Hey Nutloose. That's very interesting. Thanks...

Hey Nutloose. That's very interesting. Thanks for your reply.

But, looks like "grandfather rights" won't be applicable to my EASA STC (10026913, issued 21 August 2009). As mentioned, it's a 68...
Showing results 1 to 35 of 147
 
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