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Search: Posts Made By: Mark1234
Showing results 1 to 35 of 779
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Forum: Private Flying
1st Feb 2013, 11:35
Replies: 3
Views: 2,539
Posted By Mark1234

You might find it's more trouble than it's worth...

You might find it's more trouble than it's worth to get up in the cirrus - they're pretty particular, however they have a lot of PA28's of various flavours and a couple of C172's.

Trips wise,...
Forum: Private Flying
10th Jan 2013, 11:57
Replies: 120
Views: 14,619
Posted By Mark1234

I am of the understanding that the hard/grass...

I am of the understanding that the hard/grass debate is pretty much a no-brainer: I.e. hard every time, largely because you can slide on it. I'd also throw in the consideration that every grass strip...
Forum: Private Flying
8th Jan 2013, 13:40
Replies: 120
Views: 14,619
Posted By Mark1234

I don't know, but I wonder what the cultural...

I don't know, but I wonder what the cultural considerations are here - the native Aussies and the euros are quite familiar with having command authority, but from the impression I'm getting of the...
Forum: The Pacific: General Aviation & Questions
2nd Jan 2013, 14:19
Replies: 27
Views: 3,680
Posted By Mark1234

LeadSled - I'm not sure about a 'rule', but the...

LeadSled - I'm not sure about a 'rule', but the principle is sane - according to Mr Newton, F=ma (and therefore a = F/m)

So as M gets bigger, the same force will produce a smaller A (or G loading)...
Forum: Private Flying
21st Dec 2012, 10:31
Replies: 142
Views: 24,904
Posted By Mark1234

Seems to me most of the argument (particularly...

Seems to me most of the argument (particularly from Dg800) hinges around the definition of pilot. You'd hope that would be clearly defined, but that seems too much to ask; I think most pilots would...
Forum: The Pacific: General Aviation & Questions
21st Dec 2012, 10:17
Replies: 21
Views: 5,304
Posted By Mark1234

In that case, the *average* Australian male needs...

In that case, the *average* Australian male needs to take some exercise. 5'10, Male, Caucasian (I presume that's what you're getting at with the 'minority' comment), average in pretty much all...
Forum: Private Flying
16th Oct 2012, 14:10
Replies: 29
Views: 4,887
Posted By Mark1234

Probably.. This was interesting wrt length...

Probably..

This was interesting wrt length of freefall: Red Bull Stratos: Why Didn't Felix Free Fall for 5 Minutes? | Wired Science | Wired.com...
Forum: Private Flying
25th Aug 2012, 21:52
Replies: 10
Views: 2,627
Posted By Mark1234

Just one thought for the OP - all other...

Just one thought for the OP - all other considerations aside, remember that Vx is best ANGLE of climb, whereas Vy is best RATE (by definition).

Therefore Vy will get you away from the ground...
Forum: Private Flying
12th Aug 2012, 22:37
Replies: 18
Views: 3,268
Posted By Mark1234

It's an interesting question about psychology I...

It's an interesting question about psychology I think - the safer we make life, the more esoteric ways man (I mean the animal, not the gender) comes up with to push the envelope. I don't believe it's...
Forum: Private Flying
10th Aug 2012, 12:11
Replies: 18
Views: 3,268
Posted By Mark1234

Also check out jokke sommer's 'dream lines' -...

Also check out jokke sommer's 'dream lines' - seriously impressive.

Then there's this: Jeb Corliss - Grounded - YouTube - jeb getting it seriously wrong and being lucky to escape with his life....
Forum: Private Flying
7th Aug 2012, 10:58
Replies: 15
Views: 6,170
Posted By Mark1234

Apologies - wasn't supposed to be confusing, or...

Apologies - wasn't supposed to be confusing, or to make me look clever :hmm: I felt that because the unit of acceleration is G (as in 1 gravity), and we were talking about orientation relative to...
Forum: Private Flying
6th Aug 2012, 15:24
Replies: 15
Views: 6,170
Posted By Mark1234

IMHO the important point to grasp is that...

IMHO the important point to grasp is that stalling (in either the positive or negative sense) has no relation to 'G' as in gravity. It is entirely related to the angle of attack of the wing, which is...
Forum: Private Flying
30th Jul 2012, 10:19
Replies: 18
Views: 4,346
Posted By Mark1234

Just for the sake of balance I think you're being...

Just for the sake of balance I think you're being somewhat unfair on the Robin. Yup, the rudder's a bit hefty, but otherwise there's not that much between them.

Flown quite a bit in an Alpha 160A...
Forum: Private Flying
23rd Jul 2012, 14:49
Replies: 18
Views: 4,346
Posted By Mark1234

Personally I don't feel the tandem/side by side...

Personally I don't feel the tandem/side by side thing is much of an issue - the main advantage I see with side by side is that a considerate/attentive instructor can see you turning green (I prefer...
Forum: Private Flying
23rd Jul 2012, 09:16
Replies: 18
Views: 4,346
Posted By Mark1234

What Backpacker said. Personally I'll confess a...

What Backpacker said. Personally I'll confess a slight preference for the decathlon. Both excellent for aeros training and beyond.

The biggest difference is you'll (presumably) need to learn...
Forum: Private Flying
10th Jul 2012, 12:26
Replies: 32
Views: 4,839
Posted By Mark1234

Again just a wild guess, but in the beginning it...

Again just a wild guess, but in the beginning it would probably have been rather difficult to manufacture a viable nosewheel. I assume most early aircraft were made from wood; the mainwheels would be...
Forum: Private Flying
25th Jun 2012, 12:31
Replies: 39
Views: 6,323
Posted By Mark1234

The twist in a prop blade is to keep the AOA of...

The twist in a prop blade is to keep the AOA of the blade something sensible along the length, rather than manage lift distribution per-se. The tips are travelling 'round' a *lot* faster than the...
Forum: Private Flying
31st May 2012, 10:30
Replies: 35
Views: 8,096
Posted By Mark1234

What bushfiva said, only the other way round! ...

What bushfiva said, only the other way round!

CMOS devices generally suffer the 'rolling shutter'. The image is scanned line at a time off the chip, so motion between line scans gives you the...
Forum: Private Flying
6th Apr 2012, 23:27
Replies: 35
Views: 4,171
Posted By Mark1234

The standard of most amateur aeros may be gash.....

The standard of most amateur aeros may be gash.. but I completely agree with foxmoth. Paxing 'competition' style aeros is uncomfortable even when you know what you're doing.

Simple answer is to...
Forum: Private Flying
23rd Mar 2012, 01:45
Replies: 11
Views: 1,963
Posted By Mark1234

Awesome. Good on you for getting where you wanted...

Awesome. Good on you for getting where you wanted to be :ok:

Also, thank you for the reminder of the thread. I'm suffering a life-induced slump in my flying and wondering whether to renew my...
Forum: Private Flying
2nd Mar 2012, 10:30
Replies: 38
Views: 5,115
Posted By Mark1234

Not really! The 'stopped' prop would 'creep' over...

Not really! The 'stopped' prop would 'creep' over the compression of the engine every few minutes, and complete a half revolution to stop precisely vertical again.. I'm thinking that with a 4 pot, 4...
Forum: Private Flying
1st Mar 2012, 16:08
Replies: 38
Views: 5,115
Posted By Mark1234

If the prop is windmilling in a steady state at...

If the prop is windmilling in a steady state at some RPM, it must be absorbing the right amount of energy from the airstream to balance what is needed to turn the engine over at that RPM against the...
Forum: Private Flying
27th Feb 2012, 08:38
Replies: 38
Views: 5,115
Posted By Mark1234

Considerably less extreme than the glider...

Considerably less extreme than the glider example, winch launches are a bit special (and unnatural :E) Even the pitts doesn't climb as steeply as a winch launch, and the glider has a lot less...
Forum: Private Flying
15th Feb 2012, 11:09
Replies: 34
GPS
Views: 3,372
Posted By Mark1234

My take: While it's very tempting to concern ones...

My take: While it's very tempting to concern ones self with ground distance, it's irrelevant. Aeroplanes fly in air, not ground! It's all about frames of reference.

Consider your track through the...
Forum: Private Flying
4th Feb 2012, 19:39
Replies: 43
Views: 6,621
Posted By Mark1234

Some background info for the discussion - as it...

Some background info for the discussion - as it *seems* we're talking about moorabbin:

Firstly, it's been a few years since I flew there, so apologies if any of this is out of date, or time has...
Forum: Private Flying
30th Jan 2012, 22:29
Replies: 25
Views: 14,055
Posted By Mark1234

Isn't that more like a westfield, and a wide...

Isn't that more like a westfield, and a wide bodied one at that :p

(not actually being a pitts...)
Forum: Private Flying
28th Jan 2012, 17:15
Replies: 69
Views: 9,625
Posted By Mark1234

Quite, and you probably learned a lot more as a...

Quite, and you probably learned a lot more as a result! I think there's a certain parallel with driving: Today they teach you to operate a car. If it doesn't have a slew of acronyms to keep you from...
Forum: Private Flying
25th Jan 2012, 11:14
Replies: 124
Views: 17,274
Posted By Mark1234

Just a couple of thoughts. IF you can safely...

Just a couple of thoughts.

IF you can safely set up a small video (eg a gopro) that can film the panel / altimeter, start it, film the GPS time, then let it run. That way you can sync the two up....
Forum: Private Flying
24th Jan 2012, 22:14
Replies: 69
Views: 9,625
Posted By Mark1234

Those seem like downsides to someone who is...

Those seem like downsides to someone who is *operating* it for rental, but I'd have to say as a 'recreational flyer' myself, I've hardly flown (rented) anything other than tailwheel since getting my...
Forum: Private Flying
16th Jan 2012, 11:29
Replies: 16
Views: 1,351
Posted By Mark1234

I will say I'm wrong / I learned something I...

I will say I'm wrong / I learned something

I *try* not to say anything I may later regret / may be taken down in evidence and used in a court of law, or anything personal, patronising or arrogant....
Forum: Private Flying
15th Jan 2012, 22:24
Replies: 82
Views: 12,116
Posted By Mark1234

Are you serious? That's crazy. Not really...

Are you serious? That's crazy.

Not really done any touring since returning to the UK, but I always dipped tanks before AND after flight. That way I have a pretty good idea of the starting point...
Forum: Private Flying
15th Jan 2012, 00:59
Replies: 87
Views: 7,756
Posted By Mark1234

Possibly futile, but perhaps if I explain what...

Possibly futile, but perhaps if I explain what *I* meant further, noting that I specifically mentioned that I did/do not consider EFATO 'steady state':

A few years ago I played with the same...
Forum: Private Flying
14th Jan 2012, 16:04
Replies: 124
Views: 17,274
Posted By Mark1234

The other massive factor is how much runway you...

The other massive factor is how much runway you have left when you get airborne - it effectively offsets the glide path 'under' the climb path. For that reason alone I don't think you can come up...
Forum: Private Flying
14th Jan 2012, 04:10
Replies: 47
Views: 4,929
Posted By Mark1234

I am genuinely surprised how many people do PFL's...

I am genuinely surprised how many people do PFL's at an airfield.

For me the hard parts are:
-Selecting the right field (what looks good from a couple of thousand can look quite ropey from a...
Forum: Private Flying
13th Jan 2012, 12:40
Replies: 47
Views: 4,929
Posted By Mark1234

Nowhere near enough :( The only place I can...

Nowhere near enough :(

The only place I can claim the moral high ground is spin recoveries, but I do that for kicks..
Showing results 1 to 35 of 779
 
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