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Search: Posts Made By: Jimmy.
Showing results 1 to 35 of 98
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Forum: Rotorheads
29th Feb 2024, 15:05
Replies: 150
Views: 75,931
Posted By Jimmy.

This one: ...

This one:
https://aerossurance.com/safety-management/night-offshore-take-off-loss-of-control-incident/
Forum: Rotorheads
19th Nov 2023, 14:38
Replies: 3
Views: 1,203
Posted By Jimmy.

Interesting pictures. Does anyone have any...

Interesting pictures.

Does anyone have any updates on the MUH-1 Marineon (a modified version of the Surion) crash that occurred in 2018? One main rotor blade broke off, followed by the rotor. The...
Forum: Rotorheads
23rd Oct 2023, 14:52
Replies: 16
Views: 1,990
Posted By Jimmy.

Definetly not linear. For example, I noted some...

Definetly not linear. For example, I noted some NG/TGT valies in my last flight (GE CT7-8A):
Ng TGT
95.6 865 (cruise)
68.0 853 (idle, cooling down)
73.8 782 (cooling down,...
Forum: Rotorheads
7th Jul 2021, 04:49
Replies: 38
Views: 12,241
Posted By Jimmy.

As I remember, yes, it is.

As I remember, yes, it is.
Forum: Rotorheads
7th Jul 2021, 02:18
Replies: 205
Views: 68,376
Posted By Jimmy.

The indicator and transmitter mentioned...

The indicator and transmitter mentioned replacements were swaps actually, sorry for the lack of detail. The fault persists...
Forum: Rotorheads
6th Jul 2021, 16:46
Replies: 205
Views: 68,376
Posted By Jimmy.

C-Box oil pressure oscillation

After a C-Box replacement, we noted a little oil pressure oscillation (less than 5 psi above and under 70 psi) when lifting external cargo loads above 90% toque and at level flight with the load,...
Forum: Rotorheads
11th Jun 2021, 19:02
Replies: 1
Views: 718
Posted By Jimmy.

SA330J Puma Training Syllabus

I'm looking for a SA330J Puma Training Syllabus, initial and recurrent, both on a simulator and on the helicopter, if possible. Couldn't find on a quick search here at PPRuNe.
Thanks in advance.
Forum: Rotorheads
29th Oct 2020, 21:31
Replies: 62
Views: 19,841
Posted By Jimmy.

https://www-ainonline-com.cdn.ampproject.org/c/s/w...

https://www-ainonline-com.cdn.ampproject.org/c/s/www.ainonline.com/aviation-news/gene

"During ground testing, the gearbox ran for more than seven hours and the test was halted only when the...
Forum: Rotorheads
29th Oct 2020, 18:33
Replies: 62
Views: 19,841
Posted By Jimmy.

If I'm not wrong, they ran it without both main...

If I'm not wrong, they ran it without both main pumps (the new system is supposed to have an emergency pump on the sump, like in the S61) for the equivalent of 500NM at 80 kts. Nice feature, but...
Forum: Rotorheads
3rd Sep 2020, 19:52
Replies: 40
Views: 11,179
Posted By Jimmy.

And/or landing gear/skids limitation, right?

And/or landing gear/skids limitation, right?
Forum: Rotorheads
2nd Sep 2020, 22:05
Replies: 40
Views: 11,179
Posted By Jimmy.

Maybe because a PTM says the cargo hook has a...

Maybe because a PTM says the cargo hook has a 10,000 lbs capability....
Forum: Rotorheads
28th Aug 2020, 17:16
Replies: 81
Views: 59,592
Posted By Jimmy.

All that in just a few seconds... The...

All that in just a few seconds...

The captain's previous accident mentioned was due an inflight fire on a Bell 412. The fire reached the cabin, passengers started to unlock their seatbelts and...
Forum: Rotorheads
27th Aug 2020, 11:07
Replies: 81
Views: 59,592
Posted By Jimmy.

Final Accident Report Released

http://sistema.cenipa.aer.mil.br/cenipa/paginas/relatorios/rf/pt/RF_A-546CENIPA2015_PR-SEK_.pdf

Still looking for an English version. If I find it I'll update this post.
Forum: Rotorheads
8th Jul 2020, 15:40
Replies: 17
Views: 4,756
Posted By Jimmy.

Totally agree and, despite that, a modern...

Totally agree and, despite that, a modern aircraft like the AW169 is supposed to have a landing gear warning, right?
Forum: Rotorheads
13th May 2020, 19:09
Replies: 148
Views: 65,380
Posted By Jimmy.

I've made a quick search but couldn't find if the...

I've made a quick search but couldn't find if the final version of the VH-92A will have FBW or conventional flight controls. Does anybody know?
Forum: Rotorheads
12th May 2020, 10:34
Replies: 4
Views: 3,668
Posted By Jimmy.

Crab, Ray Prouty, on a chapter about forward...

Crab,

Ray Prouty, on a chapter about forward performance, discusses the profile power (used to overcome friction drag on the blades) and give 15% to 40% of the main rotor power in hover values as...
Forum: Rotorheads
11th May 2020, 22:43
Replies: 4
Views: 3,668
Posted By Jimmy.

I haven't found in my books the answer for...

I haven't found in my books the answer for effects on stability, but have found that rotors are designed in a way that retreating blade stall tend to occur before compressibility stall. So, the...
Forum: Rotorheads
2nd May 2020, 09:48
Replies: 9
Views: 3,644
Posted By Jimmy.

It was a S76B, right?

It was a S76B, right?
Forum: Rotorheads
29th Apr 2020, 21:06
Replies: 28
Views: 6,259
Posted By Jimmy.

In Brazil I saw 2 225 flying offshore for a short...

In Brazil I saw 2 225 flying offshore for a short period of time after the 2015 grounding was over and after that they were flying external loads for other customers.
Forum: Rotorheads
25th Apr 2020, 13:23
Replies: 13
Views: 1,598
Posted By Jimmy.

Effective flight parameters control, maybe? ...

Effective flight parameters control, maybe?

By the way, what's your native language?
Forum: Rotorheads
23rd Apr 2020, 19:13
Replies: 24
Views: 9,013
Posted By Jimmy.

From the report: "At 2140:50, a yellow caution...

From the report:
"At 2140:50, a yellow caution light illuminated and a crew alert system (CAS) message appeared on the display. Occupied with the recovery procedure, the pilot flew solely through...
Forum: Rotorheads
22nd Apr 2020, 19:41
Replies: 24
Views: 9,013
Posted By Jimmy.

Almost 2000ft ROD at low airspeed, recovery at...

Almost 2000ft ROD at low airspeed, recovery at 31ft AGL, 159,5% torque and a subsequent flight. I knew the 139 is a very powerful machine. Seems to be quite robust as well.
Forum: Rotorheads
22nd Apr 2020, 13:51
Replies: 24
Views: 9,013
Posted By Jimmy.

Incident Report Released

Tryed to upload the report, but something went wrong.
https://www.atsb.gov.au/publications/investigation_reports/2018/aair/ao-2018-039
Forum: Rotorheads
18th Apr 2020, 00:24
Replies: 113
Views: 53,464
Posted By Jimmy.

After almost 3000h in 6 years flying the S-92...

After almost 3000h in 6 years flying the S-92 using a A20, I'm quite happy with them. But a few times (very few) I perceived in my right ear what could be the shockwave LZ described. Pressing the ear...
Forum: Rotorheads
17th Apr 2020, 10:54
Replies: 67
Views: 14,854
Posted By Jimmy.

Just asking: if you pull the collective at 35kt,...

Just asking: if you pull the collective at 35kt, what is the airspeed of ground contact, much more than 25kt?
Forum: Rotorheads
16th Apr 2020, 01:05
Replies: 18
Views: 4,871
Posted By Jimmy.

Yes, you are right. In cruise flight there's no...

Yes, you are right. In cruise flight there's no way, sorry.
Forum: Rotorheads
15th Apr 2020, 23:50
Replies: 18
Views: 4,871
Posted By Jimmy.

Good engine at Max.Power and collective going up...

Good engine at Max.Power and collective going up = NR going down. Constant power and lower NR = higher torque. Higher torque, higher TR thrust required, but less available, due to NR decay.
So,...
Forum: Rotorheads
15th Apr 2020, 19:25
Replies: 18
Views: 4,871
Posted By Jimmy.

Not a 412 driver, but your questions seem to be...

Not a 412 driver, but your questions seem to be generic.
1) Yes, the indications are initially the same as of an engine failure, except for some alerts and the affected engine stabilizing at a low...
Forum: Rotorheads
6th Apr 2020, 13:13
Replies: 78
Views: 25,904
Posted By Jimmy.

An Italian HEMS pilot named Stefano Burigana...

An Italian HEMS pilot named Stefano Burigana shared an Operator's Safety Bulletin on his profile on LinkedIn that may be useful for someone.
Forum: Rotorheads
21st Feb 2020, 12:33
Replies: 28
Views: 12,555
Posted By Jimmy.

My mistake. :ugh:

My mistake. :ugh:
Forum: Rotorheads
21st Feb 2020, 12:20
Replies: 28
Views: 12,555
Posted By Jimmy.

The link is from 2016...

The link is from 2016...
Forum: Rotorheads
16th Feb 2020, 20:17
Replies: 24
Views: 9,384
Posted By Jimmy.

As I wrote before, the new nearbox is welcomed...

As I wrote before, the new nearbox is welcomed but, by the manufacturer words, doesn't solve all gearbox weaknessess. When the MGB bypass valve closed in a S-92A in Norway recently, with no oil loss,...
Forum: Rotorheads
15th Feb 2020, 23:43
Replies: 24
Views: 9,384
Posted By Jimmy.

I don't know the 225 very well, but if the glycol...

I don't know the 225 very well, but if the glycol isn't the lubricant on the main system, what I've understood from other thread, that was my question.
Forum: Rotorheads
15th Feb 2020, 17:35
Replies: 24
Views: 9,384
Posted By Jimmy.

So it's a welcomed old/new feature. Probably will...

So it's a welcomed old/new feature. Probably will lubricate for more than the dubious value of 30 to 50 minutes, according to Sikorsky.
My only concern then will be the rise of MGB oil temperature...
Forum: Rotorheads
15th Feb 2020, 14:54
Replies: 24
Views: 9,384
Posted By Jimmy.

The Sea King's ELS uses oil from the transmission...

The Sea King's ELS uses oil from the transmission like this on the 92 or other lubricant, like the 225?
Showing results 1 to 35 of 98
 
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