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Search: Posts Made By: Andy_RR
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16th Mar 2020, 05:26
Replies: 11
Views: 7,377
Posted By Andy_RR

If it ain't Boeing, then it ain't blowing...

If it ain't Boeing, then it ain't blowing...
17th Feb 2020, 23:11
Replies: 28
Views: 6,855
Posted By Andy_RR

Sunny must be a balloon pilot with all that...

Sunny must be a balloon pilot with all that management experience. Does anyone remember that story? I'm sure the Internet does. Let's see if I can find it...



... here 'tis
9th Dec 2019, 05:45
Replies: 25
Views: 12,782
Posted By Andy_RR

Good news, apparently.

Good news, apparently.
25th Jul 2019, 14:26
Replies: 52
Views: 26,380
Posted By Andy_RR

Could be the beginning of the end for GippsAero...

Could be the beginning of the end for GippsAero though. CASA has form when it comes to jerking industry's chain until it withers a la Jabiru/CAMit

Of course the winglets made in Port Melbs are...
24th Jul 2019, 12:09
Replies: 52
Views: 26,380
Posted By Andy_RR

administrative direction is the new method of...

administrative direction is the new method of aviation regulation...
18th Jun 2019, 05:58
Replies: 33
Views: 8,550
Posted By Andy_RR

How is it comforting to assume that all your s...

How is it comforting to assume that all your s hit has been stolen...?
31st May 2019, 03:59
Replies: 21
Views: 5,771
Posted By Andy_RR

If no flying is allowed on Sunday morning, I'd...

If no flying is allowed on Sunday morning, I'd suggest arranging a gardening working bee instead - you know, bring your own leaf-blower, chainsaw, lawnmower etc...
31st May 2019, 03:56
Replies: 24
Views: 5,865
Posted By Andy_RR

So it's a numbers game in the end, Leadie...?

So it's a numbers game in the end, Leadie...?
24th May 2019, 04:01
Replies: 20
Views: 6,697
Posted By Andy_RR

I thought they'd be irrelevant for you Sunnie? ...

I thought they'd be irrelevant for you Sunnie? Haven't you given up on it all yet?
23rd May 2019, 03:51
Replies: 36
Views: 10,052
Posted By Andy_RR

Surely you are allowed to use the aircraft to the...

Surely you are allowed to use the aircraft to the utility category limits once you've burned off sufficient fuel?
4th May 2019, 10:23
Replies: 29
Views: 10,426
Posted By Andy_RR

Is the SR20/22 unstable in pitch at high AoA? ...

Is the SR20/22 unstable in pitch at high AoA? Does it need MCAS...?
1st May 2019, 07:12
Replies: 53
Views: 22,596
Posted By Andy_RR

Don't hold your breath on Raptor meeting its...

Don't hold your breath on Raptor meeting its design goals. They have done some amazing stuff building their prototype but they are out of their depth when it comes to engineering and developing...
30th Apr 2019, 11:23
Replies: 53
Views: 22,596
Posted By Andy_RR

I googled "IO-550 SFC" and this came up on the...

I googled "IO-550 SFC" and this came up on the first line: https://summitaviationmfg.com/wp-content/uploads/2015/04/Cessna-206_550-TI_Engine.pdf

It quotes a 0.385 lb/hp.h which is 234g/kW.h...
29th Apr 2019, 11:42
Replies: 53
Views: 22,596
Posted By Andy_RR

No they're not. If you're lucky they'll be at or...

No they're not. If you're lucky they'll be at or around 220g/kWh. A IO-550 is easily good for 250g/kWh and probably less when things are leaned properly - maybe closer to 235...
29th Apr 2019, 10:34
Replies: 53
Views: 22,596
Posted By Andy_RR

https://cimg5.ibsrv.net/gimg/pprune.org-vbulletin/...

https://cimg5.ibsrv.net/gimg/pprune.org-vbulletin/600x825/asj_2029_20gearbox_20overhaul_201_20001_fac84807d07acd81e290dd92c591eb914d35eb14.jpg
15th Apr 2019, 06:43
Replies: 11
Views: 3,627
Posted By Andy_RR

It is indeed very satisfying to watch a...

It is indeed very satisfying to watch a government solicitor's office prosecutor eat dirt in a magistrates court although if it is 100% successful the fig leaf can slip a little and the magistrate...
15th Apr 2019, 05:01
Replies: 7
Views: 2,025
Posted By Andy_RR

Did anyone crack their video camera out or is...

Did anyone crack their video camera out or is everyone too afraid of CASA's strict liability stick?
15th Apr 2019, 04:36
Replies: 23
Views: 7,005
Posted By Andy_RR

You should learn about Kalman filters. They are...

You should learn about Kalman filters. They are the bomb for merging data from various sensors - possibly even two watches! Matlab does a fantastic series of primer videos here on the 'tube
14th Apr 2019, 12:40
Replies: 23
Views: 7,005
Posted By Andy_RR

Aviation has become extremely safe because it has...

Aviation has become extremely safe because it has systematized things to the extreme. The logical conclusion to this progression is a complete 100% (99.99%, perhaps) automation.
12th Apr 2019, 09:40
Replies: 1
Views: 922
Posted By Andy_RR

Regulatory compliance.

https://www.youtube.com/watch?v=yjEvTc6qyb8
9th Apr 2019, 08:46
Replies: 10
Views: 2,881
Posted By Andy_RR

Has Sunfish heard of shadow-banning? He should...

Has Sunfish heard of shadow-banning? He should be very scared...
9th Apr 2019, 02:36
Replies: 10
Views: 2,881
Posted By Andy_RR

Sunfish has a proper dose of Australian can't-do...

Sunfish has a proper dose of Australian can't-do attitude. There's a law against it and if there's not, it should be banned anyway...
6th Apr 2019, 03:59
Replies: 10
Views: 2,881
Posted By Andy_RR

Do your VG's whistle...?

https://www.youtube.com/watch?v=IpWHCgYRNLI
2nd Apr 2019, 12:32
Replies: 8
Views: 2,309
Posted By Andy_RR

Probably well over an hour's flight cut into 17...

Probably well over an hour's flight cut into 17 mins of which some fraction was a view of them actually in the cockpit - not really fair to suggest they had a bad lookout, but yeah, I guess it's a...
1st Apr 2019, 03:28
Replies: 8
Views: 2,309
Posted By Andy_RR

Watch Stefan Drury's...

Watch Stefan Drury's (https://www.youtube.com/channel/UCG1HLA8IEqZ09_C_7u5tUjQ) channel on the 'tube. It's quite entertaining and you can fly vicariously to see how it's done, or at least how Stefan...
30th Mar 2019, 06:50
Replies: 21
Views: 4,040
Posted By Andy_RR

You'll get to pay twenty bucks too for the...

You'll get to pay twenty bucks too for the privilege of CASA storing your personal information in a wobbly database. I guess we shouldn't worry because the CCP has all the names and addresses...
2nd Feb 2019, 11:39
Replies: 27
Views: 7,994
Posted By Andy_RR

I probably should have said the fan lift vector...

I probably should have said the fan lift vector is not vertical. I think in this case the fan inlet flow over the wing is producing wing lift perpendicular to the wing surface, the vertical...
2nd Feb 2019, 10:03
Replies: 27
Views: 7,994
Posted By Andy_RR

So, what is the purpose of the rather extreme...

So, what is the purpose of the rather extreme flap angle deployed in the hover?
2nd Feb 2019, 09:10
Replies: 27
Views: 7,994
Posted By Andy_RR

Something like this is what I had in mind. Note...

Something like this is what I had in mind. Note that thrust vector is not completely vertical to hover

https://www.youtube.com/watch?time_continue=6&v=8UPVfRmUMio
2nd Feb 2019, 03:49
Replies: 27
Views: 7,994
Posted By Andy_RR

Question for Harrier pilots out there

How much lift does the full flap deployment generate in hovering flight, especialy out of ground effect? Do you have to apply any aft thrust vector to compensate for wing lift?

Just curious about...
Forum: Rotorheads
29th Jan 2019, 11:03
Replies: 8
Views: 1,922
Posted By Andy_RR

I remember reading many years ago a news article...

I remember reading many years ago a news article of a fixed-wing rescue proposal whereby a tether was lowered from out of the back of a circling aircraft such as a C130 flown in such a radius and...
25th Jan 2019, 10:07
Replies: 102
Views: 14,511
Posted By Andy_RR

This is kinda cool too: ...

This is kinda cool too:

https://www.youtube.com/watch?v=W65ooyvrktg
25th Jan 2019, 10:02
Replies: 102
Views: 14,511
Posted By Andy_RR

https://www.youtube.com/watch?v=2glZyBssp44

https://www.youtube.com/watch?v=2glZyBssp44
24th Jan 2019, 10:53
Replies: 104
Views: 49,699
Posted By Andy_RR

Dick, out of interest, would you recommend anyone...

Dick, out of interest, would you recommend anyone starting a business to do anything in Australia these days? That is, a business that doesn't involve servicing a government demand for something...
16th Jan 2019, 01:06
Replies: 123
Views: 16,417
Posted By Andy_RR

I might agree with you, AC, that autonomous air...

I might agree with you, AC, that autonomous air taxis have a lot of hurdles and remain an unlikelihood, however eVTOL will happen and it will be largely electronically flown (stabilized and guided)...
Showing results 1 to 35 of 909
 


 
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