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Search: Posts Made By: Machdiamond
Showing results 1 to 35 of 111
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Forum: Rumours & News
12th May 2022, 18:49
Replies: 82
Views: 45,219
Posted By Machdiamond

He never managed to ident, let alone squawk 7700....

He never managed to ident, let alone squawk 7700.

Official FAA statement with more details: ...
Forum: Accidents and Close Calls
2nd Mar 2022, 19:04
Replies: 56
Views: 7,778
Posted By Machdiamond

He does hold a glider rating, I saw him...

He does hold a glider rating, I saw him mentioning it during an interview on a local TV station.

Looking at the video, there is a glimpse of the airspeed indicator in sunlight that shows 105-110...
Forum: Private Flying
20th Jan 2022, 18:57
Replies: 53
Views: 12,328
Posted By Machdiamond

Yes she was restricted to VFR flight, that...

Yes she was restricted to VFR flight, that constraint added a couple of months to her journey.

I have followed her progress closely over the past months and I am in absolute awe by what she has...
Forum: Nordic Forum
13th Apr 2021, 20:43
Replies: 12
Views: 2,945
Posted By Machdiamond

From inside that airplane: ...

From inside that airplane:

https://www.youtube.com/watch?v=2O6PT32-8Ew
Forum: Rumours & News
21st Feb 2021, 01:30
Replies: 288
Views: 263,249
Posted By Machdiamond

I agree with the comments that the thread title...

I agree with the comments that the thread title seems inappropriate, as video evidence so far points to a brilliant example of a successful containment.
Forum: Rumours & News
13th Nov 2020, 14:27
Replies: 96
Views: 70,172
Posted By Machdiamond

Good video of the overrun. ...

Good video of the overrun.

https://www.youtube.com/watch?v=zdrGiF8pnxs
Forum: Accidents and Close Calls
3rd Nov 2020, 00:37
Replies: 52
Views: 46,566
Posted By Machdiamond

The camera is focused on the aircraft taking off...

The camera is focused on the aircraft taking off and not making any attempt to follow the incredible sight just above it. A dead giveaway that it is fake.

Plus the jetpack significantly...
Forum: Tech Log
3rd Jun 2020, 13:41
Replies: 27
Views: 4,757
Posted By Machdiamond

Not exactly autoland but Garmin Autonomi can take...

Not exactly autoland but Garmin Autonomi can take over in case of crew LOC (Helios 522) and land all by itself to the nearest suitable airport, even announcing intentions to ATC and reassuring...
Forum: Tech Log
29th May 2020, 12:48
Replies: 14
Views: 4,902
Posted By Machdiamond

birdspeed you may be on to something: greater...

birdspeed you may be on to something: greater weight, scheduled speed means higher ram pressure recovery at the APU inlet and thus higher power capacity and fuel flow.
Forum: Tech Log
5th May 2020, 03:55
Replies: 23
Views: 7,524
Posted By Machdiamond

Flight manual of A-1B says absolute ceiling is...

Flight manual of A-1B says absolute ceiling is 16000ft (by extrapolating the climb curves at ISA temperatures from 6000 ft to 10000ft).

Maybe my prior message was not clearly expressed: the A-1A...
Forum: Tech Log
4th May 2020, 01:59
Replies: 23
Views: 7,524
Posted By Machdiamond

Engine power has a major aerodynamic effect on...

Engine power has a major aerodynamic effect on the wing, lift to drag ratio, and Vx and Vy.

One step further, what happens to Vx when you have enough power to climb vertically?
Forum: Tech Log
3rd May 2020, 14:16
Replies: 23
Views: 7,524
Posted By Machdiamond

A bit further research on the Husky A-1 with...

A bit further research on the Husky A-1 with published VY that is within one knot of the A-1B, and VX should be very similar. https://www.aviator.at/pics/husky/Checklist_Aviat_Husky_A-1.pdf
...
Forum: Tech Log
3rd May 2020, 13:56
Replies: 23
Views: 7,524
Posted By Machdiamond

This is the Husky A-1B AFM and owners have...

This is the Husky A-1B AFM and owners have already wondered about this apparent error, for example in their owner forum:

Crosswind Limits - Some thoughts | Flyhusky.com...
Forum: Spectators Balcony (Spotters Corner)
6th Apr 2020, 13:54
Replies: 5
Views: 887
Posted By Machdiamond

"Solar escape velocity" is a qualification term...

"Solar escape velocity" is a qualification term for a speed, not a position.

It just says you are going fast enough to escape the gravity well of the solar system, so you can achieve that while...
Forum: Rotorheads
25th Jan 2020, 14:38
Replies: 18
Views: 4,414
Posted By Machdiamond

Local news sources quote SQ head Guy Tremblay...

Local news sources quote SQ head Guy Tremblay saying that the helicopter crashed while initiating a return to its St Hubert base near Montreal.
Forum: Australia, New Zealand & the Pacific
16th Jan 2020, 10:48
Replies: 215
Views: 48,558
Posted By Machdiamond

There is a big fleet (I believe 14) of water...

There is a big fleet (I believe 14) of water bombers sitting idle at my home airport (CYQB), and there is talk here of finding some kind of deal with Australia to lease some of them out during our...
Forum: Canada
13th Aug 2019, 12:06
Replies: 40
Views: 15,895
Posted By Machdiamond

Something like this maybe? (ELTA ELI-3360)...

Something like this maybe? (ELTA ELI-3360)...
Forum: Rumours & News
7th Aug 2019, 13:20
Replies: 146
Views: 104,499
Posted By Machdiamond

What percentage of Cape Air routes are under 100...

What percentage of Cape Air routes are under 100 miles? How do you think they will like near zero maintenance cost on the propulsion system and cheap electric recharge at a small fraction of the fuel...
Forum: Rumours & News
7th Aug 2019, 02:05
Replies: 146
Views: 104,499
Posted By Machdiamond

For short haul on 6-9 passenger all-electric...

For short haul on 6-9 passenger all-electric aircraft is about a factor of five for small commuters, ten at most (500 kWh to 1 MWh). This is about the same level of electric truck charging...
Forum: Rumours & News
7th Aug 2019, 00:48
Replies: 146
Views: 104,499
Posted By Machdiamond

It might be a challenge for the electrification...

It might be a challenge for the electrification of an existing design but not such a big deal if you give up some payload as pattern_is_full pointed out.

For a clean sheet design, the empty weight...
Forum: Rumours & News
7th Aug 2019, 00:40
Replies: 146
Views: 104,499
Posted By Machdiamond

You omit the fact that electric aircraft is only...

You omit the fact that electric aircraft is only viable with (and serious electric projects only claim) really short range routes, like inter island below 100 nm. In these conditions, relative to...
Forum: Rumours & News
7th Aug 2019, 00:33
Replies: 146
Views: 104,499
Posted By Machdiamond

You are a bit off and misunderstood the point...

You are a bit off and misunderstood the point Pattern_is_full was making. The MagniX - Harbour Air retrofit of the Beaver with electric power is pretty much based on the PT6 STC and 6000 lb increased...
Forum: Rumours & News
7th Aug 2019, 00:24
Replies: 146
Views: 104,499
Posted By Machdiamond

With current battery technology (Porsche 350 kW...

With current battery technology (Porsche 350 kW fast chargers and Tesla SuperChargers), about 30 minutes at the gate. In five years from now, about 20 minutes which is typical short haul turnaround...
Forum: Rumours & News
1st Aug 2019, 03:34
Replies: 146
Views: 104,499
Posted By Machdiamond

Hybrid aircraft have no technical connection...

Hybrid aircraft have no technical connection whatsoever with hybrid cars.

Hybrid cars are mostly efficient in city driving because they can get some of the energy back in when braking...
Forum: Rumours & News
27th Jul 2019, 14:27
Replies: 146
Views: 104,499
Posted By Machdiamond

Q1 revenue was 4.5 billion and Q2 was 6.4...

Q1 revenue was 4.5 billion and Q2 was 6.4 billion, I don't know were you are taking that billion dollars down. More crucially, free cash flow was positive 614 million in Q2 versus negative 920...
Forum: Rumours & News
12th Jul 2019, 12:58
Replies: 23
Views: 9,953
Posted By Machdiamond

Unpressurized at 10000 ft, approximately 1500 nm....

Unpressurized at 10000 ft, approximately 1500 nm.



You have to correct for efficiencies. An electric motor and inverter is about 90% while a turboprop is about 40-45% (actually a lot less if...
Forum: Rumours & News
10th Jul 2019, 18:29
Replies: 23
Views: 9,953
Posted By Machdiamond

This article has some data...

This article has some data https://www.ainonline.com/aviation-news/air-transport/2019-06-19/eviations-alice-fly-year

Let's see, 14000 lb maximum takeoff weight minus 8200 lb of batteries minus...
Forum: Rumours & News
13th Apr 2019, 12:41
Replies: 146
Views: 104,499
Posted By Machdiamond

This explains why electric cars have been...

This explains why electric cars have been outselling gas powered cars in Norway for the first time last month (first country in the world to do so). It is a well known fact that Norwegians are...
Forum: The Pacific: General Aviation & Questions
3rd Apr 2019, 22:00
Replies: 16
Views: 2,867
Posted By Machdiamond

Well, it does. Here is a charge from 50% (the 20...

Well, it does. Here is a charge from 50% (the 20 minutes VFR reserve) to 100% in less than an hour (53 minutes mark to 1h48min mark) : Tesla Model 3 LR Supercharging from 0 to 100%

You can believe...
Forum: The Pacific: General Aviation & Questions
3rd Apr 2019, 19:30
Replies: 16
Views: 2,867
Posted By Machdiamond

Good point on the 80% to 100% charge. The last...

Good point on the 80% to 100% charge. The last 10% can take another hour. So let's say charge to 95% in an hour instead of 80% in 30 minutes.

Real life data (for example from this heavy fleet user...
Forum: The Pacific: General Aviation & Questions
3rd Apr 2019, 14:24
Replies: 16
Views: 2,867
Posted By Machdiamond

Most Beaver flights at Harbour Air are 15-30...

Most Beaver flights at Harbour Air are 15-30 minutes long.

Maybe Harbour Air could obtain a waiver for the 30 minutes reserve requirement down to 20 min like helicopters, especially considering...
Forum: Tech Log
2nd Apr 2019, 10:58
Replies: 11
Views: 4,881
Posted By Machdiamond

I checked the numbers you posted above with an...

I checked the numbers you posted above with an older non-NextGen Q400 AOM and they are all exactly the same.
Forum: Tech Log
30th Mar 2019, 18:11
Replies: 11
Views: 4,881
Posted By Machdiamond

Bombardier used to have a Q400 Fuel Efficiency...

Bombardier used to have a Q400 Fuel Efficiency Manual pdf available for download on their web site for awhile, there are still copies of that pdf floating around if you google these title words (PM...
Forum: Rumours & News
8th Mar 2019, 14:14
Replies: 49
Views: 43,398
Posted By Machdiamond

I don't see any evidence that this is fake (CGI...

I don't see any evidence that this is fake (CGI and CFD background here with analysis of flow patterns of aircraft in ground effect).
This is a cellphone video with very high compression, but to me...
Forum: Canada
3rd Apr 2018, 15:18
Replies: 22
Views: 7,053
Posted By Machdiamond

If you file in the US you would still need to...

If you file in the US you would still need to report all income sources in Canada as well. Double taxation avoidance only entitles you to deduct whatever you already paid in the US, not cherry pick...
Showing results 1 to 35 of 111
 
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