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Search: Posts Made By: ionagh
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Forum: Rotorheads
6th Nov 2016, 15:56
Replies: 29
Views: 7,594
Posted By ionagh

No way are those turbines 250 Hp I Think he...

No way are those turbines 250 Hp I Think he muddled his units; They certainly look about 250N size ie 100Kg of lift for 4
7th Aug 2016, 13:37
Replies: 152
Views: 18,226
Posted By ionagh

Simples they will charge for them, only free in...

Simples they will charge for them, only free in an emergency.
7th Aug 2016, 09:03
Replies: 152
Views: 18,226
Posted By ionagh

How about making the seat pocket detachable? tell...

How about making the seat pocket detachable? tell pax to put any valuables, travel docs, medication etc into the pocket and in the event of an emergency they can detach the pocket and take it with...
19th Apr 2016, 12:30
Replies: 163
Views: 53,736
Posted By ionagh

Quite so. I also have a large array of Li-Po...

Quite so. I also have a large array of Li-Po batteries and never any issues. A friend at the club crashed a large EDF (6S) model and it burnt just like video before he could get near it. Not saying...
19th Apr 2016, 12:23
Replies: 34
Views: 7,993
Posted By ionagh

@b1lanc "Have to wonder if the Connie had the...

@b1lanc "Have to wonder if the Connie had the same failure rate?"

Given that she was often referred to as "the best ever three engined airliner" I guess thats an affirmative :}
19th Apr 2016, 12:01
Replies: 163
Views: 53,736
Posted By ionagh

Lots of talk about the hard bits in these RC...

Lots of talk about the hard bits in these RC drones but no-one has mentioned that they are mostly powered by large packs of Lithium Polymer batteries. Yes I know they are fairly soft etc etc.
But...
Forum: Jet Blast
17th Feb 2016, 14:35
Replies: 2,239
Views: 299,883
Posted By ionagh

OK so the weather station is at approx 10m ASL...

OK so the weather station is at approx 10m ASL today.
The only change of altitude is going to be UP which means under estimation of sea level temp in the past.
That just makes it worse.
Forum: Jet Blast
17th Feb 2016, 07:35
Replies: 2,239
Views: 299,883
Posted By ionagh

"absolutely certain that your views are grounded...

"absolutely certain that your views are grounded in raw, uncut, unmodified data presented in its entirety and not manipulated in any way"

Finding raw uncut and unmodified data is actually...
Forum: Jet Blast
16th Feb 2016, 13:11
Replies: 2,239
Views: 299,883
Posted By ionagh

The problem with snow is that it is falling in...

The problem with snow is that it is falling in all the wrong places, sometimes where they have never, ever seen it before:
...
3rd Feb 2016, 14:06
Replies: 52
Views: 11,688
Posted By ionagh

Late 90s with Air Littoral, CDG to Saarbrucken...

Late 90s with Air Littoral, CDG to Saarbrucken they laid on an F100 just for me.
"Just ring if you want anything".

Return was some Embraer turboprop - for 3 pax.

Not surprisingly Air Littoral...
9th Nov 2015, 09:51
Replies: 2,082
Views: 2,298,019
Posted By ionagh

If for some reason the jackscrew link to the HS...

If for some reason the jackscrew link to the HS broke. The HS is not going to suddenly turn 90 but is surely going to suffer from intense flutter as it is no longer rigid? That could explain the...
7th Nov 2015, 18:15
Replies: 2,082
Views: 2,298,019
Posted By ionagh

@Simplythebeast Maybe four corners...

@Simplythebeast

Maybe four corners geometrically but certainly not aerodynamically.
7th Nov 2015, 17:50
Replies: 2,082
Views: 2,298,019
Posted By ionagh

@mickjoebill "Having filmed 3 airframes...

@mickjoebill

"Having filmed 3 airframes being blown up as well as gas, petroleum, dust explosions, flashovers and numerous controlled demolitions for science docs I have a good idea of how...
Forum: Jet Blast
29th Oct 2015, 13:25
Replies: 2,239
Views: 299,883
Posted By ionagh

w777 When someone starts talking about...

w777

When someone starts talking about satellite radalt technology measuring my ears prick up. Especially when they claim measurements of 0,4mm/year accuracy.
What is the measurement uncertainty...
13th Apr 2015, 11:57
Replies: 9
Views: 4,646
Posted By ionagh

The battery symbol blinking is not that it is...

The battery symbol blinking is not that it is discharged, rather that it is dead and need replacing.
Are you powering it externally? If yes don't forget that it is 11volts max otherwise it will show...
Forum: Tech Log
1st Apr 2015, 10:16
Replies: 15
Views: 3,508
Posted By ionagh

This is the primary thing that needs to be...

This is the primary thing that needs to be understood, especially in avionics.
Why re-engineer what I consider to be a 99.9% reliable solution? The essential problem is that of location. FDR/CVRs...
25th Mar 2015, 14:54
Replies: 3,529
Views: 4,972,416
Posted By ionagh

Grimmrad Since MH370 the ITU-R has set up a...

Grimmrad

Since MH370 the ITU-R has set up a working group specifically to investigate and propose suitable technology for real-time tracking/monitoring of aircraft.
May take a few years but it...
24th Mar 2015, 14:52
Replies: 3,529
Views: 4,972,416
Posted By ionagh

"0935 UTC is 1135 CET. " It will be next...

"0935 UTC is 1135 CET. "


It will be next week
24th Mar 2015, 11:40
Replies: 3,529
Views: 4,972,416
Posted By ionagh

Reports now that the distress call was made at...

Reports now that the distress call was made at FL05....
24th Mar 2015, 10:55
Replies: 3,529
Views: 4,972,416
Posted By ionagh

Reports of a mayday call at 10:47 No special...

Reports of a mayday call at 10:47
No special weather just intermittant showers.
2nd Feb 2015, 14:13
Replies: 67
Views: 13,551
Posted By ionagh

They did, but overstepped the mark by trying to...

They did, but overstepped the mark by trying to build a mach 3 design, which actually turned out to be good thing in the end as the problems in building a commercial carrier which could get through...
25th Mar 2014, 14:25
Replies: 11,824
Views: 21,438,773
Posted By ionagh

There are but they are normally contacted by...

There are but they are normally contacted by Selcall called DSC. This sets off an alarm and then someone might listen to the voice comms channel.

2182kHz would be right but normally preceded by a...
Forum: Tech Log
25th Mar 2014, 13:54
Replies: 22
Views: 3,615
Posted By ionagh

The simplest solution would be to integrate a...

The simplest solution would be to integrate a complete GPS 'engine' into the satcom unit. Give it a dedicated back up battery and the whole thing becomes 100% autonomous. Granted that GPS altitude...
25th Mar 2014, 10:57
Replies: 11,824
Views: 21,438,773
Posted By ionagh

I think the idea of EPIRBs is not the best way...

I think the idea of EPIRBs is not the best way forward. I would think more about using the satellite broadband link. Audio feed parallel with a CVR channel, 48 kb codec (G722 or similar would give...
25th Mar 2014, 10:14
Replies: 11,824
Views: 21,438,773
Posted By ionagh

Not what I said. A marine EPIRB would not be good...

Not what I said. A marine EPIRB would not be good enough.

Now if you want to design an aero EPIRB with full impact encapsulation and ED-12 certified software then that is another matter and...
Showing results 1 to 25 of 121
 


 
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